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- # $QuaggaId: $Format:%an, %ai, %h$ $
- #
- # The Linux Kernel MFC (Multicast Forwarding Cache)
- #
- # Check Linux kernel multicast interfaces:
- cat /proc/net/dev_mcast
- # Check that interface eth0 is forwarding multicast:
- cat /proc/sys/net/ipv4/conf/eth0/mc_forwarding
- # Check Linux kernel multicast VIFs:
- cat /proc/net/ip_mr_vif
- Interface BytesIn PktsIn BytesOut PktsOut Flags Local Remote
- # Check Linux kernel MFC:
- # Oifs format = vifi:TTL
- cat /proc/net/ip_mr_cache
- Group Origin Iif Pkts Bytes Wrong Oifs
- # iproute2 can display the MFC:
- ip mroute show
- (2.2.2.2, 239.2.2.2) Iif: eth1 Oifs: eth0
- # -- end-of-file --
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