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  1. Note: this file lists major user-visible changes only.
  2. * Changes in Quagga 0.99.22
  3. - [bgpd] The semantics of default-originate route-map have changed.
  4. The route-map is now used to advertise the default route conditionally.
  5. The old behaviour which allowed to set attributes on the originated
  6. default route is no longer supported.
  7. - [bgpd] There is now a replace-as option to neighbor ... local-as ...
  8. no-prepend. For details, refer to the user documentation.
  9. - [zebra] An FPM interface has been added. This provides an alternate
  10. interface to routing information and is geared at OpenFlow & co.
  11. - [snmp] AgentX is now supported; the old smux backend is considered
  12. deprecated. ospf6d has also had OSPFV3-MIB added.
  13. - [*] several issues with configuration save/load/apply have been fixed,
  14. in particular on ospf "max-metric router-lsa administrative" and
  15. "distribute-list", bgpd "no neighbor activate", isisd "metric-style",
  16. - [*] a lot of bugs have been fixed, please refer to the git log
  17. * Changes in Quagga 0.99.21
  18. - [bgpd] BGP multipath support has been merged
  19. - [bgpd] SAFI (Multicast topology) support has been extended to propagate
  20. the topology to zebra.
  21. - [bgpd] AS path limit functionality has been removed
  22. - [babeld] a new routing daemon implementing the BABEL ad-hoc mesh routing
  23. protocol has been merged.
  24. - [isisd] a major overhaul has been picked up. Please note that isisd is
  25. STILL NOT SUITABLE FOR PRODUCTION USE.
  26. - [*] a lot of bugs have been fixed, please refer to the git log
  27. * Changes in Quagga 0.99.10
  28. - [bgpd] 4-byte AS support added
  29. - [bgpd] MRT format changes to version 2. Those relying on
  30. bgpd MRT table dumps may need to update their tools.
  31. - [bgpd] Added new route-map set statement: "as-path exclude"
  32. - Zebra RIB updates queue has evolved into a multi-level
  33. structure to address RIB consistency issues.
  34. * Changes in Quagga 0.99.2
  35. - [bgpd] Work queues added to bgpd to split up update processing,
  36. particularly beneficial when a peer session goes down. AS_PATH
  37. parsing rewritten to be clearer, more robust and ready for 4-byte.
  38. - [ripd] Simple authentication is no longer the default authentication
  39. mode for ripd. The default is now no-authentication. Any setups which
  40. used simple authentication will probably need to update their
  41. configuration manually.
  42. - [ospfd] 1s dead-interval with sub-second Hellos feature added.
  43. SPF timers now specified in milliseconds, and with adaptive
  44. hold-time support. RFC3137 Stub-router support added. Default ABR
  45. type is now 'cisco'.
  46. - Solaris least privileges support added.
  47. * Changes in Quagga 0.99.1
  48. - Zserv is now buffered via threads and non-blocking in most cases for both
  49. clients and zebra, which should improve responsiveness of daemons when
  50. they must send many messages to zebra.
  51. - 'show thread cpu' now displays both cpu+system and wall-clock time,
  52. where getrusage() is available.
  53. - Background threads added and workqueue API added, with a
  54. 'show work-queues' command. Thread scheduling improved slightly.
  55. - Zebra now has a work-queue for RIB processing. See 'show work-queues' in
  56. the zebra daemon vty.
  57. - Support for interface renaming on Linux netlink systems.
  58. - GNU Zebra bgpd merges, including BGP Graceful-restart and "match ip
  59. route-source" command.
  60. - Automatic logging of backtraces should daemons crash to assist in
  61. diagnosis. See the documentation for more information on configuring
  62. logging correctly, and set --enable-gcc-rdynamic if compiling with gcc.
  63. * Changes in Quagga 0.98.0
  64. - Logging facilities upgraded. One can now specify a severity level
  65. for each logging destination. And a new "show logging" command gives
  66. thorough information on the current logging system configuration.
  67. - Watchquagga daemon added. This is not well tested yet. Please try
  68. monitor mode first before enabling restart features. It is important
  69. to make sure that the various timers are configured with appropriate
  70. values for your site.
  71. - BGP route-server support added. See the texinfo documentation.
  72. - OSPF API initialisation is disabled by default even if compiled in. You
  73. can enable it with -a/--apiserver command line switch.
  74. - "write-config integrated" vtysh command replaced with "service
  75. integrated-vtysh-config" command.
  76. - Router id is now handled by zebra daemon and all daemons receive changes
  77. from it. Router id can be overriden in daemons' configurations of course.
  78. To fix common router id in zebra daemon you can either install non-127
  79. address on loopback or use "router-id x.x.x.x" command.
  80. - "secondary" keyword is removed from ip address configuration. All
  81. supported OS'es have their own vision what's secondary address and
  82. how to handle it.
  83. - Zebra no longer enables forwarding by default. If you rely on zebra to
  84. enable forwarding make sure to add '<ip|ip6> forwarding' statements
  85. to your zebra configuration file.
  86. - All libraries are built and used shared, on platforms where libtool
  87. supports shared libraries.
  88. - Router advertisement syntax is changed. In usual cases (if you didn't do
  89. any fancy stuff) it's enough to change lines in configuration from:
  90. "ipv6 nd prefix-advertisement X:X:X:X::/X 2592000 604800 autoconfig on-link"
  91. to:
  92. "ipv6 nd prefix X:X:X:X::/X"
  93. All router advertisement options are documented in texi documentation.
  94. - --enable-nssa configure switch is removed. NSSA support is stable enough.
  95. - Daemons don't look at current directory for config file any more.
  96. * Changes in Quagga 0.96.5
  97. - include files are installed in $(prefix)/include/quagga. Programs
  98. building against these includes should -I$(prefix)/include and e.g.
  99. #include <quagga/routemap.h>
  100. - New option --enable-exampledir puts example files in a separate
  101. directory from $(sysconfdir), easing NetBSD pkgsrc hierarchy rules
  102. compliance.
  103. - New configure options --enable-configfile-mask and
  104. --enable-logfile-mask to set umask values for config and log
  105. values. Masks default to 0600, matching previous behavior.
  106. - Import current CVS isisd from SourceForge, then merge it with
  107. the Quagga's Framework.
  108. * Changes in Quagga 0.96.4
  109. - Further fixes to ospfd, some relating to the PtP revert. Interface
  110. lookups should be a lot more robust now.
  111. - Fix for a remote triggerable crash in vty layer.
  112. - Improvements to ripd, and addition of split horizon support.
  113. - Improved bgpd table support, now dumps at time of day intervals rather
  114. than time from startup intervals. Much improved support for IPv6 table
  115. dumps. show commands for views improved.
  116. * Changes in Quagga 0.96.3
  117. - revert the 'generic PtP' patch. Means Quagga will no longer work with
  118. FreeSWAN, however, on the plus side this gets rid of a lot of niggly bugs
  119. which the PtP patch introduced.
  120. * Changes in Quagga 0.96.2
  121. - Fix crash in ospfd
  122. * Changes in Quagga 0.96.1
  123. - Iron out problem with the privileges definitions
  124. * Changes in Quagga 0.96
  125. - Privilege support, daemons now run with the minimal privileges needed, see
  126. the documentation for details.
  127. - NSSA ABR support in ospfd.
  128. - OSPF-API support merged in.
  129. - 6WIND patch merged in.
  130. * Changes in zebra-0.93
  131. * Changes in bgpd
  132. ** Configuration is changed to new format.
  133. * Changes in ospfd
  134. ** Crush bugs which reported on Zebra ML is fixed.
  135. ** Opaque LSA and TE LSA support is added by KDD R&D Laboratories,
  136. Inc.
  137. * Chages in ospf6d
  138. ** Many bugs are fixed.
  139. * Changes in zebra-0.92a
  140. * Changes in bgpd
  141. ** Fix "^$" community list bug.
  142. ** Below command's Address Family specific configurations are added
  143. nexthop-self
  144. route-reflector-client
  145. route-server-client
  146. soft-reconfiguration inbound
  147. * Changes in zebra
  148. ** Treat kernel type routes as EGP routes.
  149. * Changes in zebra-0.92
  150. ** Overall security is improved. Default umask is 0077.
  151. * Changes in ripd
  152. ** If output interface is in simple password authentication mode,
  153. substruct one from rtemax.
  154. * Changes in bgpd
  155. ** IPv4 multicast and IPv6 unicast configuration is changed to so
  156. called new config. All of AFI and SAFI specific configuration is
  157. moved to "address-family" node. When you have many IPv6 only
  158. configuration, you will see many "no neighbor X:X::X:X activate" line
  159. in your configuration to disable IPv4 unicast NLRI exchange. In that
  160. case please use "no bgp default ipv4-unicast" command to suppress the
  161. output. Until zebra-0.93, old config is still left for compatibility.
  162. Old config
  163. ==========
  164. router bgp 7675
  165. bgp router-id 10.0.0.1
  166. redistribute connected
  167. network 192.168.0.0/24
  168. neighbor 10.0.0.2 remote-as 7675
  169. ipv6 bgp network 3ffe:506::/33
  170. ipv6 bgp network 3ffe:1800:e800::/40
  171. ipv6 bgp aggregate-address 3ffe:506::/32
  172. ipv6 bgp redistribute connected
  173. ipv6 bgp neighbor 3ffe:506:1000::2 remote-as 1
  174. New config
  175. ==========
  176. router bgp 7675
  177. bgp router-id 10.0.0.1
  178. network 192.168.0.0/24
  179. redistribute connected
  180. neighbor 10.0.0.2 remote-as 7675
  181. neighbor 3ffe:506:1000::2 remote-as 1
  182. no neighbor 3ffe:506:1000::2 activate
  183. !
  184. address-family ipv6
  185. network 3ffe:506::/33
  186. network 3ffe:1800:e800::/40
  187. aggregate-address 3ffe:506::/32
  188. redistribute connected
  189. neighbor 3ffe:506:1000::2 activate
  190. exit-address-family
  191. * Changes in ospfd
  192. ** Internal interface treatment is changed. Now ospfd can handle
  193. multiple IP address for an interface.
  194. ** Redistribution of loopback interface's address works fine.
  195. * Changes in zebra-0.91
  196. ** --enable-oldrib configure option is removed.
  197. ** HAVE_IF_PSEUDO part is removed. Same feature is now supported by
  198. default.
  199. * Changes in ripd
  200. ** When redistributed route is withdrawn, perform poisoned reverse.
  201. * Changes in zebra
  202. ** When interface's address is removed, kernel route pointing out to
  203. the address is removed.
  204. ** IPv6 RIB is now based upon new RIB code.
  205. ** zebra can handle same connected route to one interface.
  206. ** New command for interface address. Currently this commands are
  207. only supported on GNU/Linux with netlink interface.
  208. "ip address A.B.C.D secondary"
  209. "ip address A.B.C.D label LABEL"
  210. * Changes in bgpd
  211. ** BGP flap dampening bugs are fixed.
  212. ** BGP non-blocking TCP connection bug is fixed.
  213. ** "show ip bgp summary" shows AS path and community entry number.
  214. ** New commands have been added.
  215. "show ip bgp cidr-only"
  216. "show ip bgp ipv4 (unicast|multicast) cidr-only"
  217. "show ip bgp A.B.C.D/M longer-prefixes"
  218. "show ip bgp ipv4 (unicast|multicast) A.B.C.D/M longer-prefixes"
  219. "show ipv6 bgp X:X::X:X/M longer-prefixes"
  220. "show ipv6 mbgp X:X::X:X/M longer-prefixes"
  221. ** IPv6 IBGP nexthop change is monitored.
  222. ** Unknown transitive attribute is passed with partial flag bit on.
  223. * Changes in ospfd
  224. ** Fix bug of LSA MaxAge flood.
  225. ** Fix bug of NSSA codes.
  226. * Changes in zebra-0.90
  227. ** From this beta release, --enable-unixdomain and --enable-newrib
  228. becomes default. So both options are removed from configure.in. To
  229. revert old behavior please specify below option.
  230. --enable-tcp-zebra # TCP/IP socket is used for protocol daemon and zebra.
  231. --enable-oldrib # Turn on old RIB implementation.
  232. Old RIB implementation will be removed in zebra-0.91.
  233. ** From this beta release --enable-multipath is supported. This
  234. option is only effective on GNU/Linux kernel with
  235. CONFIG_IP_ADVANCED_ROUTER and CONFIG_IP_ROUTE_MULTIPATH is set.
  236. --enable-multipath=ARG # ARG must be digit. When ARG is 0 unlimit multipath number.
  237. ** From this release we do not include guile files.
  238. * Changes in lib
  239. ** newlist.[ch] is merged with linklist.[ch].
  240. ** Now Zebra works on MacOS X public beta.
  241. ** Access-list can have remark. "access-list WORD remark LINE" define
  242. remark for specified access-list.
  243. ** Key of key-chain is sorted by it's idetifier value.
  244. ** prefix-list rule is slightly changed. The rule of "len <= ge-value
  245. <= le-value" is changed to "len < ge-value <= le-value".
  246. ** According to above prefix-list rule change, add automatic
  247. conversion function of an old rule. ex.) 10.0.0.0/8 ge 8 -> 10.0.0.0/8
  248. le 32
  249. ** SMUX can handle SNMP trap.
  250. ** In our event library, event thread is executed before any other
  251. thread like timer, read and write event.
  252. ** Robust method for writing configuration file and recover from
  253. backing up config file.
  254. ** Display "end" at the end of configuration.
  255. ** Fix memory leak in vtysh_read().
  256. ** Fix memroy leak about access-list and prefix-list name.
  257. * Changes in zebra
  258. ** UNIX domain socket server of zebra protocol is added.
  259. ** Fix PointoPoint interface network bug. The destination network
  260. should be installed into routing table instead of local network.
  261. ** Metric value is reflected to kernel routing table.
  262. ** "show ip route" display uptime of RIP,OSPF,BGP routes.
  263. ** New RIB implementation is added.
  264. Now we have enhanced RIB (routing information base) implementation in
  265. zebra. New RIB has many new features and fixed some bugs which exist
  266. in old RIB code.
  267. *** Static route with distance value
  268. Static route can be specified with administrative distance. The
  269. distance value 255 means it is not installed into the kernel.
  270. Default value of distance for static route is 1.
  271. ip route A.B.C.D/M A.B.C.D <1-255>
  272. ip route A.B.C.D/M IFNAME <1-255>
  273. If the least distance value's route's nexthop are unreachable,
  274. select the least distance value route which has reachable nexthop is
  275. selected.
  276. ip route 0.0.0.0/0 10.0.0.1
  277. ip route 0.0.0.0/0 11.0.0.1 2
  278. In this case, when 10.0.0.1 is unreachable and 11.0.0.1 is
  279. reachable. The route with nexthop 11.0.0.1 will be installed into
  280. forwarding table.
  281. zebra> show ip route
  282. S>* 0.0.0.0/0 [2/0] via 11.0.0.1
  283. S 0.0.0.0/0 [1/0] via 10.0.0.1 inactive
  284. If the nexthop is unreachable "inactive" is displayed. You can
  285. specify any string to IFNAME. There is no need of the interface is
  286. there when you configure the route.
  287. ip route 1.1.1.1/32 ppp0
  288. When ppp0 comes up, the route is installed properly.
  289. *** Multiple nexthop routes for one prefix
  290. Multiple nexthop routes can be specified for one prefix. Even the
  291. kernel support only one nexthop for one prefix user can configure
  292. multiple nexthop.
  293. When you configure routes like below, prefix 10.0.0.1 has three
  294. nexthop.
  295. ip route 10.0.0.1/32 10.0.0.2
  296. ip route 10.0.0.1/32 10.0.0.3
  297. ip route 10.0.0.1/32 eth0
  298. If there is no route to 10.0.0.2 and 10.0.0.3. And interface eth0
  299. is reachable, then the last route is installed into the kernel.
  300. zebra> show ip route
  301. S> 10.0.0.1/32 [1/0] via 10.0.0.2 inactive
  302. via 10.0.0.3 inactive
  303. * is directly connected, eth0
  304. '*' means this nexthop is installed into the kernel.
  305. *** Multipath (more than one nexthop for one prefix) can be installed into the kernel.
  306. When the kernel support multipath, zebra can install multipath
  307. routes into the kernel. Before doing that please make it sure that
  308. setting --enable-multipath=ARG to configure script. ARG must be digit
  309. value. When specify 0 to ARG, there is no limitation of the number
  310. of the multipath. Currently only GNU/Linux with netlink interface is
  311. supported.
  312. ip route 10.0.0.1/32 10.0.0.2
  313. ip route 10.0.0.1/32 10.0.0.3
  314. ip route 10.0.0.1/32 eth0
  315. zebra> show ip route
  316. S>* 10.0.0.1/32 [1/0] via 10.0.0.2
  317. * via 10.0.0.3
  318. is directly connected, eth0
  319. *** Kernel message delete installed route.
  320. After zebra install static or dynamic route into the kernel.
  321. R>* 0.0.0.0/0 [120/3] via 10.0.0.1
  322. If you delete this route outside zebra, old zebra does not reinstall
  323. route again. Now the route is re-processed and properly reinstall the
  324. static or dynamic route into the kernel.
  325. ** GNU/Linux netlink socket handling is improved to fix race condition
  326. between kernel message and user command responce.
  327. * Changes in bgpd
  328. ** Add show neighbor's routes command.
  329. "show ip bgp neighbors (A.B.C.D|X:X::X:X) routes"
  330. "show ip bgp ipv4 (unicast|multicast) neighbors (A.B.C.D|X:X::X:X) routes"
  331. "show ipv6 bgp neighbors (A.B.C.D|X:X::X:X) routes"
  332. "show ipv6 mbgp neighbors (A.B.C.D|X:X::X:X) routes"
  333. ** BGP passive peer support problem is fixed.
  334. ** Redistributed IGP nexthop is passed to BGP nexthop.
  335. ** On multiaccess media, if the nexthop is reachable nexthop is passed
  336. as it is.
  337. ** Remove zebra-0.88 compatibility commands.
  338. "match ip prefix-list WORD"
  339. "match ipv6 prefix-list WORD"
  340. Instead of above please use below commands.
  341. "match ip address prefix-list WORD"
  342. "match ipv6 address prefix-list WORD"
  343. ** Fix bug of holdtimer is not reset when bgp cleared.
  344. ** "show ip bgp summary" display peer establish/drop count.
  345. ** Change "match ip next-hop" argument from IP address to access-list
  346. name.
  347. ** When "bgp enforce-first-as" is enabled, check EBGP peer's update
  348. has it's AS number in the first AS number in AS sequence.
  349. ** New route-map command "set community-delete COMMUNITY-LIST" is
  350. added. Community matched the CoMMUNITY-LIST is removed from the
  351. community.
  352. ** BGP-MIB implementation is finished.
  353. ** When BGP connection comes from unconfigured IP address, close
  354. socket immediately.
  355. ** Do not compare router ID when the routes comes from EBGP peer.
  356. When originator ID is same, take shorter cluster-list route. If
  357. cluster-list is same take smaller IP address neighbor's route.
  358. ** Add "bgp bestpath as-path ignore" command. When this option is
  359. set, do not concider AS path length when route selection.
  360. ** Add "bgp bestpath compare-routerid". When this option is set,
  361. compare router ID when the routes comes from EBGP peer.
  362. ** Add "bgp deterministic-med" process.
  363. ** BGP flap dampening feature is added.
  364. ** When IBGP nexthop is changed, it is reflected to RIB.
  365. ** Change "neighbor route-refresh" command to "neighbor capability
  366. route-refresh".
  367. * Changes in ripd
  368. ** Change "match ip next-hop" argument from IP address to access-list
  369. name.
  370. ** "no ip rip (send|receive)" command accept version number argument.
  371. ** Memory leak related classfull network generation is fixed.
  372. ** When a route is in garbage collection process (invalid with metric
  373. 16) and a router receives the same route with valid metric then route
  374. was not installed into zebra rib, but only into ripd rib. Moreover ,
  375. it will never get into zebra rib, because ripd wrongly assumes it's
  376. already there.
  377. * Change in ospfd
  378. ** Fix bug of refreshing default route.
  379. ** --enable-nssa turn on undergoing NSSA feature.
  380. ** Fix bug of Hello packet's option is not properly set when interface
  381. comes up.
  382. ** Reduce unconditional logging.
  383. ** Add nexthop to OSPF path only when it is not there.
  384. ** When there is no DR on network (suppose you have only one router
  385. with interface priority 0). It's router LSA does not contain the link
  386. information about this network.
  387. ** When you change a priority of interface from/to 0
  388. ISM_NeighborChange event should be scheduled in order to elect new
  389. DR/BDR on the network.
  390. ** When we add some LSA into retransmit list we need to check whether
  391. the present old LSA in retransmit list is not more recent than the new
  392. one.
  393. ** In states Loading and Full the slave must resend its last Database
  394. Description packet in response to duplicate Database Description
  395. packets received from the master. For this reason the slave must wait
  396. RouterDeadInterval seconds before freeing the last Database
  397. Description packet. Reception of a Database Description packet from
  398. the master after this interval will generate a SeqNumberMismatch
  399. neighbor event. RFC2328 Section 10.8
  400. ** Virtual link can not configured in stub area.
  401. ** Clear a ls_upd_queue queue of the interface when interface goes
  402. down.
  403. ** "no router ospf" unregister redistribution requests from zebra.
  404. ** New command for virtual-link configuration is added.
  405. "area A.B.C.D virtual-link A.B.C.D"
  406. "area A.B.C.D virtual-link A.B.C.D hello-interval <1-65535> retransmit-interval <3-65535> transmit-delay <1-65535> dead-interval <1-65535>"
  407. "area A.B.C.D virtual-link A.B.C.D hello-interval <1-65535> retransmit-interval <3-65535> transmit-delay <1-65535> dead-interval <1-65535> authentication-key AUTH_KEY"
  408. "area A.B.C.D virtual-link A.B.C.D authentication-key AUTH_KEY"
  409. "area A.B.C.D virtual-link A.B.C.D hello-interval <1-65535> retransmit-interval <3-65535> transmit-delay <1-65535> dead-interval <1-65535> message-digest-key <1-255> md5 KEY"
  410. "area A.B.C.D virtual-link A.B.C.D message-digest-key <1-255> md5 KEY"
  411. ** Clear cryptographic sequence number when neighbor status is changed
  412. to NSM down.
  413. ** Make Summary LSA's origination and refreshment as same as other
  414. type of LSA.
  415. ** New OSPF pakcet read method. Now maximum packet length may be 65535
  416. bytes (maximum IP packet length).
  417. ** Checking the age of the found LSA and if the LSA is MAXAGE we
  418. should call refresh instead of originate.
  419. ** Install multipath information to zebra.
  420. ** Fix socket descriptor leak when system call failed.
  421. * Changes in ospf6d
  422. ** Whole functionality has been rewritten as new code. new command
  423. "show ipv6 ospf6 spf node", "show ipv6 ospf6 spf tree", "show ipv6
  424. ospf6 spf table" has been added.
  425. ** Change to do not send garbage route whose nexthop is not linklocal
  426. address.
  427. ** "redistribute ospf6" was generated in "router ospf6" in config
  428. file. It is fixed.
  429. ** LSDB sync bug is fixed.
  430. ** Fix bug of using unavailable route.
  431. * Changes in vtysh
  432. ** route-map and access-list configuration is merged into one
  433. configuration.
  434. ** /usr/local/etc/Zebra.conf is integrated configuration file. "write
  435. memory" in vtysh will write whole configuration to this file.
  436. ** When -b option is specified to vtysh, vtysh read
  437. /usr/local/etc/Zebra.conf file then pass the confuguration to proper
  438. protocol daemon. So make all protocol daemon's configuration file
  439. empty then invoke all daemon. After that vtysh -b will setup saved
  440. configuration.
  441. zebrastart.sh
  442. =============
  443. /usr/local/sbin/zebra -d
  444. /usr/local/sbin/ripd -d
  445. /usr/local/sbin/ospfd -d
  446. /usr/local/sbin/bgpd -d
  447. /usr/local/bin/vtysh -b
  448. * Changes in zebra-0.89
  449. * Changes in lib
  450. ** distribute-list can set all interface's access-list and prefix-list
  451. configuration.
  452. * Changes in ripd
  453. ** "show ip protocols" display proper distribute-list settings and
  454. distance settings.
  455. ** When metric infinity route received withdraw the route from kernel
  456. immediately it used to be wait garbage collection.
  457. ** key-chain can be used for simple password authentication.
  458. ** RIPv2 MIB getnext interface bug is fixed.
  459. * Changes in vtysh
  460. ** --with-libpam enable PAM authentication for vtysh.
  461. ** Now vtysh read vtysh.conf. This file should be
  462. ${SYSCONFDIR}/etc/vtysh.conf for security reason. Usually it is
  463. /usr/local/etc/vtysh.conf.
  464. ** "username WORD nopassword" command is added to vtysh.
  465. * Chagees in ospfd
  466. ** NBMA interface support is added.
  467. ** OSPF area is sorted by area ID.
  468. ** New implementation of OSPF refreesh.
  469. ** OSPF-MIB read function is partly added.
  470. * Changes in bgpd
  471. ** When the peering is done by ebgp-multihop, nexthop is looked up
  472. like IBGP routes.
  473. ** "show ip mbgp" commands are changed to "show ip bgp ipv4
  474. multicast".
  475. ** New terminal commands are added.
  476. "show ip bgp ipv4 (unicast|multicast) filter-list WORD"
  477. "show ip bgp ipv4 (unicast|multicast) community"
  478. "show ip bgp ipv4 (unicast|multicast) community-list WORD"
  479. "show ip bgp ipv4 (unicast|multicast) community-list WORD exact-match"
  480. ** MBGP soft-reconfiguration command is added.
  481. "clear ip bgp x.x.x.x ipv4 (unicast|multicast) in"
  482. "clear ip bgp x.x.x.x ipv4 (unicast|multicast) out"
  483. "clear ip bgp x.x.x.x ipv4 (unicast|multicast) soft"
  484. "clear ip bgp <1-65535> ipv4 (unicast|multicast) in"
  485. "clear ip bgp <1-65535> ipv4 (unicast|multicast) out"
  486. "clear ip bgp <1-65535> ipv4 (unicast|multicast) soft"
  487. "clear ip bgp * ipv4 (unicast|multicast) in"
  488. "clear ip bgp * ipv4 (unicast|multicast) out"
  489. "clear ip bgp * ipv4 (unicast|multicast) soft"
  490. ** MED related commands are added.
  491. "bgp deterministic-med"
  492. "bgp bestpath med confed"
  493. "bgp bestpath med missing-as-worst"
  494. ** "bgp default local-preference" command is added.
  495. ** BGP confederation peer's routes are passed to zebra like IBGP route.
  496. ** Community match command is added.
  497. "show ip bgp community <val>"
  498. "show ip bgp community <val> exact-match"
  499. ** EBGP multihop route treatment bug is fixed. Now nexthop is
  500. resolved by IGP routes.
  501. ** Some commands are added to show routes by filter-list and community
  502. value.
  503. "show ip bgp ipv4 (unicast|multicast) filter-list WORD"
  504. "show ip bgp ipv4 (unicast|multicast) community"
  505. "show ip bgp ipv4 (unicast|multicast) community-list WORD"
  506. "show ip bgp ipv4 (unicast|multicast) community-list WORD exact-match"
  507. * Changes in zebra
  508. ** zebra read interface's address information using getifaddrs() when
  509. it is available.
  510. ** Reflect IPv6 interface's address change to protocol daemons.
  511. * Changes in zebra-0.88
  512. * Changes in lib
  513. ** "exact-match" option is added to "access-list" and "ipv6
  514. access-list" command. If this option is specified, the prefix and
  515. prefix length is compared as exact match mode.
  516. * Changes in zebra
  517. ** New Zebra message ZEBRA_REDISTRIBUTE_DEFAULT_ADD and
  518. ZEBRA_REDISTRIBUTE_DEFAULT_DELTE are added.
  519. ** Default administrative distance value is changed.
  520. Old New
  521. ------------------------------------------
  522. system 10 0
  523. kernel 20 0
  524. connected 30 0
  525. static 40 1
  526. rip 50 120
  527. ripng 50 120
  528. ospf 60 110
  529. ospf6 49 110
  530. bgp 70 200(iBGP) 20(eBGP)
  531. ------------------------------------------
  532. ** Distance value can be passed from protocol daemon to zebra.
  533. ** "show ip route" shows [metric/distance] value pair.
  534. ** Zebra Protocol is changed to support multi-path route and distance
  535. value.
  536. * Changes in ospfd
  537. ** "default-information originate [always]" command is added.
  538. ** "default-metric <0-16777214>" command is added.
  539. ** "show ip ospf database" command is integrated. LS-ID and AdvRouter can
  540. be specifed. The commands are
  541. show ip ospf database TYPE LS-ID
  542. show ip ospf database TYPE LS-ID ADV-ROUTER
  543. show ip ospf database TYPE LS-ID self-originate
  544. show ip ospf database TYPE self-originate
  545. ** route-map support for `redistribute' command are added.
  546. Supported `match' statements are
  547. match interface
  548. match ip address
  549. match next-hop
  550. Supported `set' statements are
  551. set metric
  552. set metric-type
  553. ** Pass OSPF metric value to zebra daemon.
  554. * Changes in ripd
  555. ** When specified route-map does not exist, it means all deny.
  556. ** "default-metric <1-16>" command is added.
  557. ** "offset-list ACCESS-LIST-NAME <0-16>" and "offset-list
  558. ACCESS-LIST-NAME <0-16> IFNAME" commands are added.
  559. ** "redistribute ROUTE-TYPE metric <0-16>" command is added.
  560. ** "default-information originate" command is added.
  561. ** "ip split-horizon" and "no ip split-horizon" is added to interface
  562. configuration.
  563. ** "no router rip" command is added.
  564. ** "ip rip authentication mode (md5|text)" is added to interface
  565. configuration.
  566. ** "ip rip authentication key-chain KEY-CHAIN" is added to interface
  567. configuration.
  568. ** Pass RIP metric value to zebra daemon.
  569. ** Distance manipulation functions are added.
  570. * Changes in bgpd
  571. ** Fix bug of next hop treatment for MPLS-VPN route exchange.
  572. ** BGP peer MIB is updated.
  573. ** Aggregated route has origin IGP, atomic-aggregate and proper
  574. aggregator attribute.
  575. ** Suppressed route now installed into BGP table. It is only
  576. suppressed from announcement.
  577. ** BGP router-id is properly set after "no router bgp ASN" and "router
  578. bgp ASN".
  579. ** Add check for nexthop is accessible or not for IBGP routes.
  580. ** Add cehck for nexthop is on connected or not for EBGP routes.
  581. ** "dump bgp route" command is changed to "dump bgp route-mrt" for
  582. generating MRT compatible dump output.
  583. ** Soft reconfiguration inbound and outbound is supported.
  584. ** Route refresh feature is supported.
  585. * Changes in vtysh
  586. ** VTY shell is now included into the distribution.
  587. * Changes in zebra-0.87
  588. * Changes in lib
  589. ** "show startup-config" command is added.
  590. ** "show history" command is added.
  591. ** Memory statistics command is changed. New command
  592. show memory all
  593. show memory lib
  594. show memory rip
  595. show memory ospf
  596. show memory bgp
  597. are added.
  598. ** Filters can be removed only specify it's name. New command
  599. no access-list NAME
  600. no ip community-list NAME
  601. no ip as-path access-list NAME
  602. no route-map NAME
  603. are added.
  604. ** At any node, user can view/save user configuration.
  605. write terminal
  606. write file
  607. wirte memory
  608. are added to every node in default.
  609. ** LCD completion is added. For example both "ip" and "ipv6" command
  610. are exist, "i" then press TAB will be expanded to "ip".
  611. * Changes in bgpd
  612. ** "show ip bgp" family shows total number of prefixes.
  613. ** "no bgp default ipv4-unicast" command is added.
  614. ** Extended Communities support is added.
  615. ** "no neighbor PEER send-community extended" command is added.
  616. ** MPLS-VPN PE-RR support is added.
  617. New address family vpnv4 unicast is introduced.
  618. !
  619. address-family vpnv4 unicast
  620. neighobr PEER activate
  621. network A.B.C.D rd RD tag TAG
  622. exit-address-family
  623. !
  624. To make it route-reflector, please configure it under normal router
  625. bgp ASN.
  626. !
  627. router bgp 7675
  628. no bgp default ipv4-unicast
  629. bgp router-id 10.0.0.100
  630. bgp cluster-id 10.0.0.100
  631. neighbor 10.0.0.1 remote-as 65535
  632. neighbor 10.0.0.1 route-reflector-client
  633. neighbor 10.0.0.2 remote-as 65535
  634. neighbor 10.0.0.2 route-reflector-client
  635. neighbor 10.0.0.3 remote-as 65535
  636. neighbor 10.0.0.3 route-reflector-client
  637. !
  638. address-family vpnv4 unicast
  639. neighbor 10.0.0.1 activate
  640. neighbor 10.0.0.2 activate
  641. neighbor 10.0.0.3 activate
  642. exit-address-family
  643. !
  644. * Changes in ospfd
  645. ** Many many bugs are fixed.
  646. * Changes in ripd
  647. ** Better interface up/down event handle.
  648. * Changes in zebra
  649. ** Better interface up/down event handle.
  650. * Changes in zebra-0.86
  651. * Changes in lib
  652. ** Fix bug of exec-timeout command which may cause crush.
  653. ** Multiple same policy for "access-list", "ip prefix-list, "as-path
  654. access-list", "ip community-list" is not duplicated.
  655. ** It used to be "ip prefix-list A.B.C.D/M" match routes which mask >=
  656. M. Now default behavior is exact match so it only match routes which
  657. mask == M.
  658. * Changes in bgpd
  659. ** "match ip address prefix-list" is added to route-map.
  660. ** A route without local preference is evaluated as 100 local preference.
  661. ** Select smaller router-id route when other values are same.
  662. ** Compare MED only both routes comes from same neighboring AS.
  663. ** "bgp always-compare-med" command is added.
  664. ** Now MED value is passed to IBGP peer.
  665. ** When neighbor's filter is configured with non-existent access-list,
  666. as-path access-list, ip prefix-list, route-map. The behavior is
  667. changed from all permit to all deny.
  668. * Changes in ospfd
  669. ** Fix bug of external route tag byte order.
  670. ** OSPF Neighbor deletion bug which cause crush is fixed.
  671. ** Some route calculation bug are fixed.
  672. ** Add sanity check with router routing table.
  673. ** Fix bug of memory leak about linklist.
  674. ** Fix bug of 1-WayReceived in NSM.
  675. ** Take care of BIGENDIAN architecture.
  676. ** Fix bug of NSM state flapping between ExStart and Exchange.
  677. ** Fix bug of Network-LSA originated in stub network.
  678. ** Fix bug of MS flag unset.
  679. ** Add to schedule router_lsa origination when the interface cost
  680. changes.
  681. ** Increment LS age by configured interface transmit_delay.
  682. ** distribute-list is reimplemented.
  683. ** Fix bug of refresh never occurs.
  684. ** Fix bug of summary-LSAs reorigination. Correctly copy
  685. OSPF_LSA_APPROVED flag to new LSA. when summary-LSA is reoriginatd.
  686. ** Fix bug of re-origination when a neighbor disappears.
  687. ** Fix bug of segmentation fault with DD retransmission.
  688. ** Fix network-LSA re-origination problem.
  689. ** Fix problem of remaining withdrawn routes on zebra.
  690. * Changes in ripd
  691. ** Do not leave from multicast group when interface goes down bug is
  692. fixed.
  693. * Changes in zebra
  694. ** Remove client structure when client dies.
  695. ** Take care static route when interface goes up/down.
  696. * Changes in zebra-0.85
  697. * Changes in bgpd
  698. ** "transparent-nexthop" and "transparenet-as" commands are added.
  699. ** Route reflector's originator-id bug is fixed.
  700. * Changes in ospfd
  701. ** Fix bug of OSPF LSA memory leak.
  702. ** Fix bug of OSPF external route memory leak.
  703. ** AS-external-LSA origination bug was fixed.
  704. ** LS request treatment is completely rewritten. Now performance is
  705. drastically improved.
  706. * Changes in ripd
  707. ** RIPv1 update is done by class-full manner.
  708. * Changes in zebra-0.84b
  709. * Changes in lib
  710. ** Fix bug of inet_pton return value handling
  711. * Changes in bgpd
  712. ** Fix bug of BGP-4+ link-local address nexthop check for IBGP peer.
  713. ** Don't allocate whole buffer for displaying "show ip bgp". Now it
  714. consume only one screen size memory.
  715. * Changes in ripd
  716. ** Fix debug output string.
  717. ** Add RIP peer handling. RIP peer are shown by "show ip protocols".
  718. * Changes in zebra-0.84a
  719. * Changes in bgpd
  720. ** Fix serious bug of BGP-4+ peering under IPv6 link-local address.
  721. Due to the bug BGP-4+ peering may not be established.
  722. * Changes in zebra-0.84
  723. * Changes in lib
  724. ** IPv6 address and prefix parser is added to VTY by Toshiaki Takada
  725. <takada@zebra.org>. DEFUN string is "X:X::X:X" for IPv6 address,
  726. "X:X::X:X/M" for IPv6 prefix. You can use it like this.
  727. DEFUN (func, cmd, "neighbor (A.B.C.D|X:X::X:X) remote-as <1-65535>")
  728. ** VTY configuration is locked during configuration. This is for
  729. avoiding unconditional crush from two terminals modify the
  730. configuration at the same time. "who" command shows which termnal
  731. lock the configuration. VTY which has '*' character at the head of
  732. line is locking the configuration.
  733. ** Old logging functions are removed. Functions like
  734. log_open,log_close,openlog are deleted. Instead of that please use
  735. zlog_* functions. zvlog_* used in ospf6d are deleted also.
  736. ** "terminal monitor" command is added. "no terminal monitor" is for
  737. disabling. This command simply display logging information to the
  738. VTY.
  739. ** dropline.[ch] files are deleted.
  740. * Changes in bgpd
  741. ** BGP neighbor configuration are sorted by it's IP address.
  742. ** BGP peer configuration and actual peer is separated. This is
  743. preparation for Route Server support.
  744. ** "no neighbor PEER" command is added. You can delete neighbor
  745. without specifying AS number.
  746. ** "no neighbor ebgp-multihop" command is added.
  747. ** "no neighbor port PORT" command is added.
  748. ** To conform RFC1771, "neighbor PEER send-community" is default
  749. behavior. If you want to disable sending community attribute,
  750. please specify "no neighbor PEER send-community" to the peer.
  751. ** "neighbor maximum-prefix NUMBER" command is added.
  752. ** Multi-protocol extention NLRI is proceeded only when the peer is
  753. configured proper Address Family and Subsequent Address Family. If
  754. not, those NLRI are simply ignored.
  755. ** Aggregate-address support is improved. Currently below commands
  756. works.
  757. "aggregate-address"
  758. "aggregate-address summary-only"
  759. "no aggregate-address"
  760. "no aggregate-address summary-only"
  761. "ipv6 bgp aggregate-address"
  762. "ipv6 bgp aggregate-address summary-only"
  763. "no ipv6 bgp aggregate-address"
  764. "no ipv6 bgp aggregate-address summary-only"
  765. ** redistribute route-map bug is fixed.
  766. ** MBGP support becomes default. "configure" option --enable-mbgp is
  767. removed.
  768. ** New command "neighbor PEER timers connect <1-65535>" is added.
  769. ** New command "neighbor PEER override-capability" is added.
  770. ** New command "show ip bgp neighbor A.B.C.D advertised-route" is added.
  771. ** New command "show ip bgp neighbor A.B.C.D routes" is added. To use
  772. this command, you have to configure neighbor with
  773. "neighbor A.B.C.D soft-reconfiguration inbound" beforehand.
  774. * Changes in zebra-0.83
  775. * bgpd
  776. ** Serious bug fix about fetching global and link-local address at the
  777. same time. Due to this bug, corrupted IPv6 prefix is generated. If
  778. you uses bgpd for BGP-4+ please update to this version. The bug is
  779. introduced in zebra-0.82.
  780. ** When bgpd send Notify message, don't use thread manager. It is now
  781. send to neighbor immediately.
  782. * Changes in zebra-0.82
  783. ** Solaris 2.6 support is added by Michael Handler
  784. <handler@sub-rosa.com>.
  785. ** MBGP support is added by Robert Olsson <Robert.Olsson@data.slu.se>.
  786. Please specify --enable-mbgp to configure script. This option will be
  787. removed in the future and MBGP support will be default.
  788. * Changes in zebra
  789. ** When interface goes down, withdraw connected routes from routing
  790. table. When interface goes up, restore the routes to the routing
  791. table.
  792. ** `show interface' show interface's statistics on Linux and BSD with
  793. routing socket.
  794. ** Now zebra can get MTU value on BSDI/OS.
  795. * Changes in bgpd
  796. ** Add capability option support based upon
  797. draft-ietf-idr-bgp4-cap-neg-04.txt.
  798. ** Add `show ipv6 bgp prefix-list' command.
  799. ** Check self AS appeared in received routes.
  800. ** redistribute route-map support is added.
  801. ** BGP packet dump feature compatible with MRT.
  802. * Changes in ripd
  803. ** Fix bug of `timers basic' command's argument format.
  804. * Changes in ripngd
  805. ** Calculate max RTE using interface's MTU value.
  806. * Changes in ospfd
  807. ** Some correction to LSU processing.
  808. ** Add check for lsa->refresh_list.
  809. * Changes in ospf6d
  810. ** Many debug feature is added.
  811. * Changes in zebra-0.81
  812. ** SNMP support is disabled in default.--enable-snmp option is added
  813. to configure script.
  814. * Changes in bgpd
  815. ** Fix FSM bug which introduced in zebra-0.80.
  816. * Changes in zebra-0.80
  817. * access-list
  818. New access-list name space `ipv6 access-list' is added. At the same
  819. time, `access-list' statemant only accepts IPv4 prefix. Please be
  820. careful if you use IPv6 filtering. You will need to change your
  821. configuration. For IPv6 filtering please use `ipv6 access-list'.
  822. As of zebra-0.7x, user can use `access-list' for both IPv4 and IPv6
  823. filtering.
  824. ! zebra-0.7x
  825. access-list DML-net permit 203.181.89.0/24
  826. access-list DML-net permit 3ffe:506::0/32
  827. access-list DML-net deny any
  828. !
  829. Above configuration is not valid for zebra-08x. Please add `ipv6'
  830. before 'access-list' when you configure IPv6 filtering.
  831. ! zebra-0.8x
  832. access-list DML-net permit 203.181.89.0/24
  833. access-list DML-net deny any
  834. !
  835. ipv6 access-list DML-net permit 3ffe:506::0/32
  836. ipv6 access-list DML-net deny any
  837. !
  838. * prefix-list
  839. And also new prefix-list name space `ipv6 prefix-list' is added. It
  840. is the same as the change of `access-list'. `ip prefix-list' now only
  841. accept IPv4 prefix. It was source of confusion that `ip prefix-list'
  842. can be used both IPv4 and IPv6 filtering. Now name space is separated
  843. to clear the meaning of the filter.
  844. If you use `ip prefix-list' for IPv6 filtering, please change the
  845. stetement.
  846. ! zebra-0.7x
  847. ip prefix-list 6bone-filter seq 5 permit 3ffe::/17 le 24 ge 24
  848. ip prefix-list 6bone-filter seq 10 permit 3ffe:8000::/17 le 28 ge 28
  849. ip prefix-list 6bone-filter seq 12 deny 3ffe::/16
  850. ip prefix-list 6bone-filter seq 15 permit 2000::/3 le 16 ge 16
  851. ip prefix-list 6bone-filter seq 20 permit 2001::/16 le 35 ge 35
  852. ip prefix-list 6bone-filter seq 30 deny any
  853. !
  854. Now user can explicitly configure it as IPv6 prefix-list.
  855. ! zebra-0.8x
  856. ipv6 prefix-list 6bone-filter seq 5 permit 3ffe::/17 le 24 ge 24
  857. ipv6 prefix-list 6bone-filter seq 10 permit 3ffe:8000::/17 le 28 ge 28
  858. ipv6 prefix-list 6bone-filter seq 12 deny 3ffe::/16
  859. ipv6 prefix-list 6bone-filter seq 15 permit 2000::/3 le 16 ge 16
  860. ipv6 prefix-list 6bone-filter seq 20 permit 2001::/16 le 35 ge 35
  861. ipv6 prefix-list 6bone-filter seq 30 deny any
  862. !
  863. * RIP configuration
  864. If you want to filter only default route (0.0.0.0/0) and permit other
  865. routes, it was hard to do that. Now `ip prefix-list' can be used for
  866. RIP route filtering.
  867. New statement:
  868. `distribute-list prefix PLIST_NAME (in|out) IFNAME'
  869. is added to ripd. So you can configure on eth0 interface accept all
  870. routes other than default routes.
  871. !
  872. router rip
  873. distribute-list prefix filter-default in eth0
  874. !
  875. ip prefix-list filter-default deny 0.0.0.0/0 le 0
  876. ip prefix-list filter-default permit any
  877. !
  878. * RIPng configuration
  879. Same change is done for ripngd. You can use `ipv6 prefix-list' for
  880. filtering.
  881. !
  882. router ripng
  883. distribute-list prefix filter-default in eth0
  884. !
  885. ipv6 prefix-list filter-default deny ::/0 le 0
  886. ipv6 prefix-list filter-default permit any
  887. !
  888. * BGP configuration
  889. So far, Multiprotocol Extensions for BGP-4 (RFC2283) configuration is
  890. done with traditional IPv4 peering statement like blow.
  891. !
  892. router bgp 7675
  893. neighbor 3ffe:506::1 remote-as 2500
  894. neighbor 3ffe:506::1 prefix-list 6bone-filter out
  895. !
  896. For separating configuration IPv4 and IPv6, and for retaining Cisco
  897. configuration compatibility, now IPv6 configuration is done by IPv6
  898. specific statement. IPv6 BGP configuration is done by statement which
  899. start from `ipv6 bgp'.
  900. !
  901. router bgp 7675
  902. !
  903. ipv6 bgp neighbor 3ffe:506::1 remote-as 2500
  904. ipv6 bgp neighbor 3ffe:506::1 prefix-list 6bone-filter out
  905. !
  906. At the same time some IPv6 specific commands are deleted from IPv4
  907. configuration.
  908. o redistribute ripng
  909. o redistribute ospf6
  910. o neighbor PEER version BGP_VERSION
  911. o neighbor PEER interface IFNAME
  912. Those commands are only accepted as like below.
  913. o ipv6 bgp redistribute ripng
  914. o ipv6 bgp redistribute ospf6
  915. o ipv6 bgp neighbor PEER version BGP_VERSION
  916. o ipv6 bgp neighbor PEER interface IFNAME
  917. And below new commands are added.
  918. o ipv6 bgp network IPV6_PREFIX
  919. o ipv6 bgp redistribute static
  920. o ipv6 bgp redistribute connected
  921. o ipv6 bgp neighbor PEER remote-as <1-65535> [passive]
  922. o ipv6 bgp neighbor PEER ebgp-multihop [TTL]
  923. o ipv6 bgp neighbor PEER description DESCRIPTION
  924. o ipv6 bgp neighbor PEER shutdown
  925. o ipv6 bgp neighbor PEER route-reflector-client
  926. o ipv6 bgp neighbor PEER update-source IFNAME
  927. o ipv6 bgp neighbor PEER next-hop-self
  928. o ipv6 bgp neighbor PEER timers holdtime <0-65535>
  929. o ipv6 bgp neighbor PEER timers keepalive <0-65535>
  930. o ipv6 bgp neighbor PEER send-community
  931. o ipv6 bgp neighbor PEER weight <0-65535>
  932. o ipv6 bgp neighbor PEER default-originate
  933. o ipv6 bgp neighbor PEER filter-list FILTER_LIST_NAME (in|out)
  934. o ipv6 bgp neighbor PEER prefix-list PREFIX_LIST_NAME (in|out)
  935. o ipv6 bgp neighbor PEER distribute-list AS_LIST_NAME (in|out)
  936. o ipv6 bgp neighbor PEER route-map ROUTE_MAP_NAME (in|out)
  937. And some utility commands are introduced.
  938. o clear ipv6 bgp [PEER]
  939. o show ipv6 bgp neighbors [PEER]
  940. o show ipv6 bgp summary
  941. I hope these changes are easy to understand for current Zebra users...
  942. * To restrict connection to VTY interface.
  943. It used to be both IPv4 and IPv6 filter can be specified with one
  944. access-list. Then the access-list can be appried to VTY interface
  945. with `access-class' stetement in `line vty' node. Below is example in
  946. zebra-0.7x.
  947. !
  948. access-list local-only permit 127.0.0.1/32
  949. access-list local-only permit ::1/128
  950. access-list local-only deny any
  951. !
  952. line vty
  953. access-class local-only
  954. !
  955. Now IPv4 and IPv6 filter have each name space. It is not possible to
  956. specify IPv4 and IPv6 filter with one access-list. For setting IPv6
  957. access-list in `line vty', `ipv6 access-class' statement is
  958. introduced. Let me show the configuration in zebra-0.8x.
  959. !
  960. access-list local-only permit 127.0.0.1/32
  961. access-list local-only deny any
  962. !
  963. ipv6 access-list local-only permit ::1/128
  964. ipv6 access-list local-only dny any
  965. !
  966. line vty
  967. access-class local-only
  968. ipv6 access-class local-only
  969. !
  970. * route-map
  971. New IPv6 related route-map match commands are added.
  972. o match ipv6 address
  973. o match ipv6 next-hop
  974. Please change your configuration if you use IP match statement for
  975. IPv6 route.
  976. zebra-0.7x config
  977. =================
  978. !
  979. access-list all permit any
  980. !
  981. route-map set-nexthop permit 10
  982. match ip address all
  983. set ipv6 next-hop global 3ffe:506::1
  984. set ipv6 next-hop local fe80::cbb5:591a
  985. !
  986. zebra-0.8x config
  987. =================
  988. !
  989. ipv6 access-list all permit any
  990. !
  991. route-map set-nexthop permit 10
  992. match ipv6 address all
  993. set ipv6 next-hop global 3ffe:506::1
  994. set ipv6 next-hop local fe80::cbb5:591a
  995. !
  996. * zebra connection
  997. Protocol daemon such as ripd, bgpd, ospfd will reconnect zebra daemon
  998. when the connection fail. Those daemons try to connect zebra every 10
  999. seconds first three trial, then the interval changed to 60 seconds.
  1000. After all, if ten connections are fail, protocol daemon give up the
  1001. connection to the zebra daemon.
  1002. * SNMP support (is not yet finished)
  1003. Zebra uses SMUX protocol (RFC1227) for making communication with SNMP
  1004. agent. Currently lib/smux.c can be compiled only with ucd-snmp-4.0.1
  1005. and http://ucd-snmp.ucdavis.edu/patches/012.patch. It can not be
  1006. compiled with ucd-snmp-3.6.2.
  1007. After applying the patch to ucd-snmp-4.0.1, please configure it with
  1008. SMUX module.
  1009. % configure --with-mib-modules=smux
  1010. After compile & install ucd-snmp-4.0.1, you will need to configure
  1011. smuxpeer. I'm now using below configuration.
  1012. /usr/local/share/snmp/snmpd.conf
  1013. ================================
  1014. smuxpeer 1.3.6.1.6.3.1 test
  1015. Above 1.3.6.1.6.3.1 and test is temporary configuration which is hard
  1016. coded in lib/smux.c. Yes, I know it is bad, I'll change it ASAP.
  1017. * HUP signal treatment
  1018. From zebra-0.80, ripd will reload it's configuration file when ripd
  1019. receives HUP signal. Other daemon such as bgpd, ospfd will support
  1020. HUP signal treatment soon.
  1021. * Changes in zebra-0.79
  1022. * Changes in zebra
  1023. ** Broadcast address setting on Linux box bug is fixed.
  1024. ** Protocol daemon can install connected IPv6 route into the kernel.
  1025. ** Now zebra can handle blackhole route.
  1026. * Changes in ripd
  1027. ** Add route-map feature for RIP protocol.
  1028. ** In case of RIP version 2 routing table entry has IPv4 address and
  1029. netmask pair which host part bit is on, ignore the entry.
  1030. * Changes in ripngd
  1031. ** Change CMSG_DATA cast from (u_char *) to (int *). (u_char *) does
  1032. not work for NetBSD-currnet on SparcStation 10.
  1033. * Changes in ospfd
  1034. ** MaxAge LSA treatment is added.
  1035. ** ABR/ASBR functionality is added.
  1036. ** Virtual Link funtionality is added.
  1037. ** ABR behaviors IBM/Cisco/Shortcut is added.
  1038. * Changes in ospf6d
  1039. ** Enclosed KAME specific part with #ifdef #endif
  1040. * Changes in zebra-0.78
  1041. * Changes in lib
  1042. ** SNMP support is started.
  1043. ** Now Zebra can work on BSD/OS 4.X.
  1044. ** Now Zebra can compiled on vanilla OpenBSD 2.5 but not yet working correcltly.
  1045. * Changes in zebra
  1046. ** Interface index detection using ioctl() bug is fixed.
  1047. ** Interface information protocol is changed. Now interface
  1048. addition/deletion and interface's address addition/deletion is
  1049. separated.
  1050. * Changes in bgpd
  1051. ** BGP hold timer bug is fixed.
  1052. ** BGP keepavlie timer becomes configurable.
  1053. * Changes in ripd
  1054. ** When making reply to rip's REQUEST message, fill in
  1055. RIP_METRIC_INFINITY with network byte order using htonl ().
  1056. ** Pass host byte order address to IN_CLASSC and IN_CLASSB macro.
  1057. * Changes in ospfd
  1058. ** LSA flooding works.
  1059. ** Fix bug of DD processing.
  1060. ** Fix bug of originating router-LSA bug is fixed.
  1061. ** LSA structure is changed to support LSA aging.
  1062. * Changes in ospf6d
  1063. ** `ip6' statement in configuration is changed to `ipv6'.
  1064. * Changes in zebra-0.77
  1065. * Changes in lib
  1066. ** SIGUSR1 reopen logging file.
  1067. ** route-map is extended to support multi-protocol routing
  1068. information.
  1069. ** When compiling under GNU libc 2.1 environment don't use inet6-apps.
  1070. * Changes in zebra
  1071. ** Basic IPv6 router advertisement codes added. It is not yet usable.
  1072. ** Fix IPv6 route addition/deletion bug is fixed.
  1073. ** `show ip route A.B.C.D' works
  1074. * Changes in bgpd
  1075. ** When invalid unfeasible routes length comes, bgpd send notify then
  1076. continue to process the packet. Now bgpd stop parsing invalid packet
  1077. then return to main loop.
  1078. ** BGP-4+ withdrawn routes parse bug is fixed.
  1079. ** When BGP-4+ information passed to non shared network's peer, trim
  1080. link-local next-hop information.
  1081. ** `no redistribute ROUTE_TYPE' withdraw installed routes from BGP
  1082. routing information.
  1083. ** `show ipv6 route IPV6ADDR' command added.
  1084. ** BGP start timer has jitter.
  1085. ** Holdtimer configuration bug is fixed. Now configuration does not
  1086. show unconfigured hold time value.
  1087. * Changes in ripngd
  1088. ** Now update timer (default 30 seconds) has +/- 50% jitter value.
  1089. ** Add timers basic command.
  1090. ** `network' configuration is dynamically reflected.
  1091. ** `timers basic <update> <timeout> <garbage>' added.
  1092. * Changes in ripd
  1093. ** Reconstruct almost codes.
  1094. ** `network' configuration is dynamically reflected.
  1095. ** RIP timers now conforms to RFC2453. So user can configure update,
  1096. timeout, garbage timer.
  1097. ** `timers basic <update> <timeout> <garbage>' works.
  1098. * Changes in ospfd
  1099. ** Bug of originating network LSA is fixed.
  1100. ** `no router ospf' core dump bug is fixed.
  1101. * Changes in ospf6d
  1102. ** Redistribute route works.
  1103. * Changes in zebra-0.76
  1104. * Changes in lib
  1105. ** configure.in Linux IPv6 detection problem is fixed.
  1106. ** Include SERVICES file to the distribution
  1107. ** Update zebra.texi to zebra-0.76.
  1108. * Changes in zebra-0.75
  1109. * Changes in lib
  1110. ** `termnal length 0' bug is fixed.
  1111. * Changes in zebra
  1112. ** When zebra starts up, sweep all zebra installed routes. If -k or
  1113. --keep_kernel option is specified to zebra dameon. This function is
  1114. not performed.
  1115. * Changes in ripngd
  1116. ** Aggreagte address command supported. In router ripngd,
  1117. `aggregate-address IPV6PREFIX' works.
  1118. * Changes in bgpd
  1119. ** Input route-map's bug which cause segmentation violation is fixed.
  1120. ** route-map method improved.
  1121. ** BGP-4+ nexthop detection improved.
  1122. ** BGP-4+ route re-selection bug is fixed.
  1123. ** BGP-4+ iBGP route's nexthop calculation works.
  1124. ** After connection Established `show ip bgp neighbor' display BGP TCP
  1125. connection's source and destination address.
  1126. ** In case of BGP-4+ `show ip bgp neighbor' display BGP-4+ global and
  1127. local nexthop which used for originated route. This address will be
  1128. used when `next-hop-self'.
  1129. * Changes in ospfd
  1130. ** Fix bug of DR election.
  1131. ** Set IP precedence field with IPTOS_PREC_INTERNET_CONTROL.
  1132. ** Schedule NeighborChange event if NSM status change.
  1133. ** Never include a neighbor in Hello packet, when the neighbor goes
  1134. down.
  1135. * Changes in zebra-0.74
  1136. * Changes in lib
  1137. ** Now `terminal length 0' means no line output control.
  1138. ** `line LINES' command deleted. Instead of this please use `terminal
  1139. length <0-512>'.
  1140. ** `terminal length <0-512>' is each vty specific configuration so it
  1141. can not be configured in the configuration file. If you want to
  1142. configure system wide line control, please use `service
  1143. terminal-length <0-512>'. This configuration affects to the all vty
  1144. interface.
  1145. * Changes in zebra
  1146. ** Installation of IPv6 route bug is fixed.
  1147. * Changes in bgpd
  1148. ** Very serious bug of bgp_stop () is fixed. When multiple route to
  1149. the same destination exist, bgpd try to announce the information to
  1150. stopped peer. Then add orphan write thread is added. This cause
  1151. many strange behavior of bgpd.
  1152. ** Router-id parsing bug is fixed.
  1153. ** With BGP-4+ nexthop installation was done with global address but
  1154. it should be link-local address. This bug is fixed now.
  1155. ** When incoming route-map prepend AS, old AS path remained. Now bgpd
  1156. free old AS path.
  1157. ** `neighbor PEER weight <0-65535>' command added.
  1158. * Changes in ripngd
  1159. ** Almost codes are rewritten to conform to RFC2080.
  1160. * Changes in ospfd
  1161. ** SPF calculation timer is added. Currently it is set to 30 seconds.
  1162. ** SPF calculation works now.
  1163. ** OSPF routing table codes are added.
  1164. ** OSPF's internal routes installed into the kernel routing table.
  1165. ** Now `ospfd' works as non-area, non-external route support OSPF
  1166. router.
  1167. ** Call of log_rotate() is removed.
  1168. * Changes in ospf6d
  1169. ** LSA data structure is changed.
  1170. ** Call of log_rotate() is removed.
  1171. * Changes in zebra-0.73
  1172. * Changes in lib
  1173. ** `config terminal' is changed to `configure terminal'.
  1174. ** `terminal length <0-512>' command is added.
  1175. ** Variable length argument was specified by `...'. Now all strings
  1176. started with character `.' is variable length argument.
  1177. * Changes in zebra
  1178. ** Internal route (such as iBGP, internal OSPF route) handling works
  1179. correctly.
  1180. ** In interface node, `ipv6 address' and `no ipv6 address' works.
  1181. ** Interface's address remain after `no ip address' bug is fixed.
  1182. ** Host route such as IPv4 with /32 mask and IPv6 with /128 mask
  1183. didn't set RTF_GATEWAY even it has gateway. This bug if fixed now.
  1184. * Changes in bgpd
  1185. ** `match as-path' argument is used to be specify AS PATH value itself
  1186. directly (e.g. ^$). But it is changed to specify `ip as-apth
  1187. access-list' name.
  1188. ** iBGP route handle works without getting error from the kernel.
  1189. ** `set aggregator as AS A.B.C.D' command is added to route-map.
  1190. ** `set atomic-aggregate' command is added to bgpd's routemap.
  1191. ** Announcement of atomic aggregate attribute and aggregator attribute
  1192. works.
  1193. ** `update-source' bug is fixed.
  1194. ** When a route learned from eBGP is announced to iBGP, local
  1195. preference was set to zero. But now it set to
  1196. DEFAULT_LOCAL_PREF(100).
  1197. * Changes in ripd
  1198. ** RIPv1 route filter bug is fixed.
  1199. ** Some memory leak is fixed.
  1200. * Changes in ospfd
  1201. ** Fix bug of DR Election.
  1202. ** Fix bug of adjacency forming.
  1203. * Changes in ospf6d
  1204. ** Clean up logging message.
  1205. ** Reflect routing information to zebra daemon.
  1206. * Changes in zebra-0.72
  1207. * Changes in lib
  1208. ** When getsockname return IPv4 mapped IPv6 address. Convert it to
  1209. IPv4 address.
  1210. * Changes in bgpd
  1211. ** Change route-map's next-hop related settings.
  1212. set ip nexthop -> set ip next-hop
  1213. set ipv6 nexthop global -> set ipv6 next-hop global
  1214. set ipv6 nexthop local -> set ipv6 next-hop local
  1215. ** Add `next-hop-self' command.
  1216. * Changes in ospfd
  1217. ** Fix bug of multiple `network area' directive crashes.
  1218. * Changes in zebra-0.71
  1219. * Changes in lib
  1220. ** `log syslog' command is added.
  1221. ** Use getaddrinfo function to bind IPv4/IPv6 server socket.
  1222. ** `no banner motd' will suppress motd output when user connect to VTY.
  1223. ** Bind `quit' command to major nodes.
  1224. * Changes in zebra
  1225. ** Point-to-point link address handling bug is fixed.
  1226. * Changes in bgpd
  1227. ** AS path validity check is added. If malformed AS path is received
  1228. NOTIFY Malformed AS path is send to the peer.
  1229. ** Use getaddrinfo function to bind IPv4/IPv6 server socket.
  1230. * Changes in ripd
  1231. ** Connected network announcement bug is fixed.
  1232. ** `broadcast' command is deleted.
  1233. ** `network' command is added.
  1234. ** `neighbor' command is added.
  1235. ** `redistribute' command is added.
  1236. ** `timers basic' command is added.
  1237. ** `route' command is added.
  1238. * Changes in ripngd
  1239. ** Fix metric calculation bug.
  1240. * Changes in ospfd
  1241. ** Check sum bug is fixed.
  1242. * Chanegs in ospf6d
  1243. ** Routing table code is rewritten.
  1244. * Changes in zebra-0.70
  1245. * Changes in zebra
  1246. ** Critical routing information base calculation bug check is fixed.
  1247. ** zebra ipv4 message is extended to support external/internal route
  1248. flavor.
  1249. ** Now if internal route doesn't has direct connected nexthop, then
  1250. nexthop is calculated by looking up IGP routing table.
  1251. * Changes in bgpd
  1252. ** `neighbor PEER update-source IFNAME' command added as ALIAS to
  1253. `neighbor PEER interface IFNAME'.
  1254. * Changes in ospfd
  1255. ** DD null pointer bug is fixed.
  1256. * Changes in zebra-0.69
  1257. * Changes in zebra
  1258. ** zebra redistirbution supports dynamic notification of the route
  1259. change. If you add static route while running zebra, it will be
  1260. reflected to other protocol daemon which set `redistribute static'.
  1261. ** If static route installation is failed due to the error. The
  1262. static route is not added to the configuration and zebra routing
  1263. table.
  1264. ** zebra sets forwarding flag to on when it starts up.
  1265. ** `no ip forwarding' turn off IPv4 forwarding.
  1266. ** `no ipv6 forwarding' turn off IPv6 forwarding.
  1267. ** Change `show ipforward' command to `show ip forwarding'.
  1268. ** Change `show ipv6forward' command to `show ipv6 forwarding'.
  1269. ** `ip route A.B.C.D/M INTERFACE' works. So you can set `ip route
  1270. 10.0.0.0/8 eth0'.
  1271. * Changes in bgpd
  1272. ** `neighbor PEER send-community' command is added. If the option is
  1273. set, bgpd will send community attribute to the peer.
  1274. ** When a BGP route has no-export community attribute and
  1275. send-community is set to the peer, the route is not announced to the
  1276. peer.
  1277. * Changes in ripngd
  1278. ** When ripngd terminates, delete all installed route.
  1279. ** `redistribute static', `redistribute connected' works.
  1280. ** Change `debug ripng event' to `debug ripng events'.
  1281. ** Change `show debug ripng' to `show debugging ripng'.
  1282. ** Bug of static route deletion is fixed.
  1283. * Changes in ospfd
  1284. ** LS request and LS update can be send and received.
  1285. * Changes in zebra-0.68
  1286. * Changes in lib
  1287. ** DEFUN() is extended to support (a|b|c) statement.
  1288. ** Input buffer overflow bug is fixed.
  1289. * Changes in bgpd
  1290. ** `ip community-list' is added.
  1291. ** set community and match community is added to route-map statement.
  1292. ** aggregate-address A.B.C.D/M partly works. Now it works only
  1293. summary-only mode.
  1294. * Changes in zebra
  1295. ** IPv6 network address delete bug is fixed.
  1296. * Changes in ospfd
  1297. ** DR election bug fixed.
  1298. ** Now Database Description can be send or received.
  1299. ** Neighbor State Machine goes to Full state.
  1300. * Changes in ospf6d
  1301. ** router zebra related bug is fixed.
  1302. * Changes in zebra-0.67
  1303. * Changes in lib
  1304. ** `service password-encryption' is added for encrypted password.
  1305. * Changes in bgpd
  1306. ** `set as-path prepend ASPATH' is added to route-map command.
  1307. ** `set weight WEIGHT' is added to route-map command.
  1308. ** `no set ipv6 nexthop global' and `no set ipv6 nexthop local'
  1309. command is added to route-map.
  1310. ** `neighbor IP_ADDR version BGP_VERSION' command's BGP_VERSION
  1311. argument changed.
  1312. Old New
  1313. =====================
  1314. bgp4 4
  1315. bgp4+ 4+
  1316. bgp4+-draft-00 4-
  1317. =====================
  1318. If you want to peer with old draft version of BGP-4+, please configure
  1319. like below:
  1320. router bgp ASN
  1321. neighbor PEER version 4-
  1322. ** Some AS path isn't correctly compared during route selection. Now
  1323. it is fixed.
  1324. * Changes in ospfd
  1325. ** `router zebra' is default behavior.
  1326. * Changes in ospf6d
  1327. ** `router zebra' is default behavior.
  1328. * Changes in zebra-0.66
  1329. * Changes in zebra
  1330. ** When other daemon such as gated install routes into the kernel then
  1331. zebra blocks. This is only occur with netlink socket. Now socket is
  1332. set as NONBLOCKING and problem is fixed. Reported and fixed by
  1333. Patrick Koppen <koppen@rhrk.uni-kl.de>
  1334. * Changes in bgpd
  1335. ** Now `router zebra' is not needed to insert BGP routes into the
  1336. kernel. It is default behavior. If you don't want to install the BGP
  1337. routes to the kernel, please configure like below:
  1338. !
  1339. router zebra
  1340. no redistribute bgp
  1341. !
  1342. ** redistribute connected works.
  1343. ** redistribute static now filter local loopback routes and link local
  1344. network.
  1345. * Changes in ripd
  1346. ** Some network check is added. Patch is done by Carlos Alberto
  1347. Barcenilla <barce@frlp.utn.edu.ar>
  1348. * Changes in ripngd
  1349. ** Sometimes ripngd install wrong nexthop into the kernel. This bug
  1350. is fixed now.
  1351. ** Now `router zebra' is not needed to insert RIPng routes into the
  1352. kernel. It is default behavior. If you don't want to install the BGP
  1353. routes to the kernel, please configure like below:
  1354. !
  1355. router zebra
  1356. no redistribute ripng
  1357. !
  1358. * Changes in zebra-0.65
  1359. * Changes in lib
  1360. ** `C-c' changes current node to ENABLE_NODE. Previously it doesn't.
  1361. ** In ENABLE_NODE, `exit' command close vty connection.
  1362. ** `service advanced-vty' enable advanced vty function. If this
  1363. service is specified one can directly connect to ENABLE_NODE when
  1364. enable password is not set.
  1365. ** `lines LINES' command is added by Stephen R. van den Berg
  1366. <srb@cuci.nl>.
  1367. * Changes in zebra
  1368. ** Basic Linux policy based routing table support is added by Stephen
  1369. R. van den Berg <srb@cuci.nl>.
  1370. * Changes in bgpd
  1371. ** route-map command is improved:
  1372. `match ip next-hop': New command.
  1373. `match metric': New command.
  1374. `set metric': Doc fixed.
  1375. `set local-preference': DEFUN added.
  1376. * Changes in ripd
  1377. ** Check of announced network is added. Now multicast address is
  1378. filtered. Reported by Carlos Alberto Barcenilla
  1379. <barce@frlp.utn.edu.ar>
  1380. ** Check of network 127 is added. Reported by Carlos Alberto
  1381. Barcenilla <barce@frlp.utn.edu.ar>
  1382. * Changes in ripngd
  1383. ** Aging route bug is fixed.
  1384. ** `router zebra' semantics changed. ripngd automatically connect to
  1385. zebra.
  1386. * Changes in ospfd
  1387. ** `no router ospf' works.
  1388. * Changes in ospf6d
  1389. ** Bug fix about network vertex.
  1390. * Changes in zebra-0.64.1.
  1391. This is bug fix release.
  1392. * Changes in lib
  1393. ** Add check of sin6_scope_id in struct sockaddr_in6. For compilation
  1394. on implementation which doesn't have sin6_scope_id. Reported by Wim
  1395. Biemolt <Wim.Biemolt@ipv6.surfnet.nl>.
  1396. * Changes in zebra
  1397. ** Fix bug of display BGP routes as "O" instead of "B". Reported by
  1398. "William F. Maton" <wmaton@enterprise.ic.gc.ca> and Dave Hartzell
  1399. <hartzell@greatplains.net>.
  1400. * Changes in bgpd
  1401. ** `no network IPV6_NETWORK' statement and `no neighbor IP_ADDR timers
  1402. holdtime [TIMER]' statement doesn't work. Reported by Georg Hitsch
  1403. <georg@atnet.at>. Now both statement work.
  1404. * Changes in ospfd
  1405. ** Last interface is not updated by ospf_if_update(). Reported by
  1406. Dave Hartzell <hartzell@greatplains.net>.
  1407. * Changes in ospf6d
  1408. ** Byte order of ifid is changed. Due to this change, this code will
  1409. not work with previous version, sorry.
  1410. ** Fix `show ip route' route type mismatch.
  1411. ** Fix bug of no network IPV6_NETWORK.
  1412. ** Important bug fix about intra-area-prefix-lsa.
  1413. * Changes in zebra-0.64.
  1414. * Changes in lib
  1415. ** prefix-list based filtering routine is added. Currently used in
  1416. bgpd but it will be in other daemons.
  1417. * Changes in bgpd
  1418. ** `no router bgp' works. But network statement is not cleared. This
  1419. should be fixed in next beta.
  1420. ** Route reflector related statement is added.
  1421. router bgp ASN
  1422. bgp cluster-id a.b.c.d
  1423. neighbor a.b.c.d route-reflector-client
  1424. is added.
  1425. ** Prefix list based filtering is added.
  1426. router bgp ASN
  1427. neighbor a.b.c.d prefix-list PREFIX_LIST_NAME
  1428. ** Prefix list based routing display works.
  1429. show ip bgp prefix-list PREFIX_LIST_NAME
  1430. * Changes in ripd
  1431. ** Fix route metric check bug. Reported from Mr. Carlos Alberto
  1432. Barcenilla.
  1433. * Changes in ospf6d
  1434. ** There are many changes. If you have interested in ospf6d please
  1435. visit ospf6d/README file.
  1436. * Changes in zebra-0.63 first beta package.
  1437. * Changes in lib
  1438. ** `copy running-config stgartup-config' command is added.
  1439. ** prefix length check bug is fixed. Thanks Marlos Barcenilla
  1440. <barce@frip.utn.edu.ar>.
  1441. * Changes in ospfd
  1442. ** DR and BDR election works.
  1443. ** OSPF Hello simple authentication works.
  1444. * Changes in ospf6d
  1445. ** Now ospf6d can be compiled on both Linux and *BSD system.
  1446. * Changes in zebra-19990420 snapshot
  1447. ** `make dist' at top directory works now.
  1448. * Changes in lib
  1449. ** VTY has now access-class to restrict remote connection.
  1450. Implemented by Alex Bligh <amb@gxn.net>.
  1451. !
  1452. line vty
  1453. access-class ACCESS-LIST-NAME
  1454. !
  1455. ** `show version' command added. Implemented by Carlos Alberto
  1456. Barcenilla <barce@frlp.utn.edu.ar>
  1457. * Changes in zebra
  1458. ** `ip address' command on *BSD bug is fixed.
  1459. ** `no ip address' works now for IPv4 address.
  1460. ** Now `write terminal' display `ip address' configuration.
  1461. * Changes in bgpd
  1462. ** Redistribute static works now. Please run both zebra and bgpd.
  1463. bgpd.conf should be like this:
  1464. !
  1465. router zebra
  1466. !
  1467. router bgp ASN
  1468. redisitribute static
  1469. !
  1470. * Changes in guile
  1471. ** configure --enable-guile turns on zebra-guile build.
  1472. ** (router-bgp ASN) allocates real bgp structre.
  1473. * Changes in zebra-19990416 snapshot
  1474. ** Set version to 0.60 for preparation of beta release.
  1475. ** New directory guile is added for linking with guile interpreter.
  1476. * Changes in zebra
  1477. ** On GNU/Linux Kernel 2.2.x (with netlink support), zebra detects
  1478. asynchronous routing updates. *BSD support is not yet finished.
  1479. * Changes in bgpd
  1480. ** `show ip bgp regexp ASPATH_REGEX' uses CISCO like regular expression
  1481. instead of RPSL like regular expression. I'm planing to provide RPSL
  1482. like regular expression with `show ip bgp rpsl' or something.
  1483. * Changes in lib
  1484. ** Press '?' at variable mandatory argument, vty prints nothing. Now
  1485. vty outputs description about the argument. Fixed by Alex Bligh
  1486. <amb@gxn.net>
  1487. ** buffer.c has some ugly bugs. Due to the bug, vty interface hangs
  1488. when large output date exists. This bug is fixed. Reported by Alex
  1489. Bligh <amb@gxn.net>.
  1490. * Changes in ospfd
  1491. ** DR and BDR information is shown by `show ip ospf interface' command.
  1492. * Changes in zebra-19990408 snapshot
  1493. * Changes in bgpd
  1494. ** Old BGP-4+ specification (described in old draft) treatment bug is
  1495. fixed. It seems that mrtd uses this format as default. So if you
  1496. have problem peering with mrtd and want to use old draft format please
  1497. use version statement like this.
  1498. neighbor PEER_ADDRESS remote-as ASN
  1499. neighbor PEER_ADDRESS version bgp4+-draft-00
  1500. ** When AS path is epmty (routes generated by bgpd), SEGV is occur
  1501. when announce the routes to eBGP peer. Reported by
  1502. kad@gibson.skif.net.
  1503. ** ip as-path access-list command is added.
  1504. ** neighbor PEER_ADDRESS filter-list AS_LIST [in|out] command is added.
  1505. ** neighbor PEER_ADDRESS timers holdtimer TIMER command is added.
  1506. * Changes in all daemons
  1507. ** With KAME stack, terminal interface is now bind AF_INET socket
  1508. instead of AF_INET6 one.
  1509. * Changes in zebra-19990403 snapshot
  1510. * Changes in bgpd
  1511. ** When bgpd has 'router zebra', bgpd automatically select it's router
  1512. ID as most highest interface's IP Address.
  1513. ** When AS path is empty (in case of iBGP), it doesn't include any AS
  1514. segment. This change is for announcement to gated under iBGP.
  1515. * Changes in ospfd
  1516. ** OSPF hello packet send/receive works.
  1517. * Changes in ospf6d
  1518. ** Yasuhiro Ohara's ospf6d codes is imported. It is under development
  1519. and can't be compiled on any platform.
  1520. * Changes in zebra-19990327 snapshot
  1521. * Changes in bgpd
  1522. ** When BGP-4+ connection is done by IPv6 link-local address. One
  1523. have to specify interface index for the connection. So I've added
  1524. interface statement to the neighbor commmand. Please specify
  1525. interface name for getting interface index like below. This statement
  1526. only works on GNU/Linux. I'll support BSD ASAP.
  1527. router bgp 7675
  1528. neighbor fe80::200:f8ff:fe01:5fd3 remote-as 2500
  1529. neighbor fe80::200:f8ff:fe01:5fd3 interface sit3
  1530. ** For disable BGP peering `shutdown' command is added.
  1531. router bgp 7675
  1532. neighbor 10.0.0.1 shutdown
  1533. ** `description' command is added to neighbor statement.
  1534. router bgp 7675
  1535. neighbor 10.0.0.1 description peering with Norway.
  1536. ** `show ip bgp regexp AS-REGEXP' works again.
  1537. show ip bgp regexp AS7675
  1538. will show routes which include AS7675.
  1539. ** When a route which is made from `network' statement is send to
  1540. neighbor. Set it's nexthop to self. So 10.0.0.0/8 is announced to
  1541. the peer A with source address 192.168.1.1. The routes nexthop is set
  1542. to 192.168.1.1.
  1543. * Changes in zebra
  1544. ** In zebra/rtread_sysctl.c, function rtm_read() may overrun allocated
  1545. buffer when the address family is not supported and the length is big
  1546. (i.e link address). Reported Achim Patzner <ap@bnc.net>.
  1547. * Changes in ospfd
  1548. ** Now ospfd receive OSPF packet.
  1549. * Changes in zebra-19990319 snapshot
  1550. * Changes in configuration and libraries
  1551. ** User can disable IPv6 feature and/or pthread feature by configure
  1552. option.
  1553. To disable IPv6: configure --disable-ipv6
  1554. To disable pthread: configure --disable-pthread
  1555. ** User can disable specified daemon by configure option.
  1556. Don't make zebra: configure --disable-zebra
  1557. Don't make bgpd: configure --disable-bgpd
  1558. Don't make ripd: configure --disable-ripd
  1559. Don't make ripngd: configure --disable-ripngd
  1560. Don't make ospfd: configure --disable-ospfd
  1561. Don't make ospf6d: configure --disable-ospf6d
  1562. ** Sample configuration files are installed as 600 file flag.
  1563. Suggested by Jeroen Ruigrok/Asmodai <asmodai@wxs.nl>.
  1564. ** syslog logging feature is added by Peter Galbavy
  1565. <Peter.Galbavy@knowledge.com>
  1566. ** Inclusion of standard header files is reworked by Peter Galbavy
  1567. <Peter.Galbavy@knowledge.com>
  1568. ** Change description from GNU/Linux 2.1.X to GNU/Linux 2.2.X
  1569. ** If daemon function exists in standard C library use it.
  1570. ** To generate configure script we upgrade autoconf to 2.13. To
  1571. generate Makefile.in we upgrade automake to 1.4.
  1572. ** doc/texinfo.tex is added to distribution.
  1573. ** Update ports/pkg/DESCR description.
  1574. ** Update doc/zebra.texi.
  1575. ** logfile FILENAME statement deleted. Instead of that please use log
  1576. file FILENAME.
  1577. * Changes in zebra
  1578. * Changes in bgpd
  1579. ** Communication between zebra and bgpd works now. So if there is
  1580. `router zebra' line in bgpd.conf, selected route is installed
  1581. into kernel routing table.
  1582. ** Delete all routes which inserted by bgpd when bgpd dies. If you
  1583. want to retain routes even bgpd dies please specify [-r|--retain]
  1584. option to bgpd.
  1585. ** BGP announcement code is reworked. Now bgpd announce selected
  1586. routes to other peer.
  1587. ** All output bgp packet is buffered. It's written to the socket when
  1588. it gets ready.
  1589. ** Output route-map works now. You can specify output route-map by:
  1590. neighbor IP_ADDR route-map ROUTE_MAP_NAME out
  1591. ** New route-map command added.
  1592. set ip nexthop IP_ADDR
  1593. set ipv6 nexthop global IP_ADDR
  1594. ** Fix bug about unlock of the route_node structure.
  1595. ** BGP-4+ support is added. bgpd can listen and speak BGP-4+ packet
  1596. specified in RFC2283. You can view IPv6 bgp table by: `show ipv6 bgp'.
  1597. ** Meny packet overflow check is added.
  1598. * Changes in ripd
  1599. * Changes in ripngd
  1600. * Changes in ospfd
  1601. ** ospfd work is started by Toshiaki Takada <takada@zebra.org>. Now
  1602. several files are included in ospfd directory.
  1603. ** ospf6d codes are merged from Yasuhiro Ohara <yasu@sfc.wide.ad.jp>'s
  1604. ospfd work. Now codes are located in ospf6d directory.
  1605. Local variables:
  1606. mode: outline
  1607. paragraph-separate: "[ ]*$"
  1608. end: