1 # $QuaggaId: $Format:%an, %ai, %h$ $
4 # The Linux Kernel MFC (Multicast Forwarding Cache)
7 # Check Linux kernel multicast interfaces:
8 cat /proc/net/dev_mcast
10 # Check that interface eth0 is forwarding multicast:
11 cat /proc/sys/net/ipv4/conf/eth0/mc_forwarding
13 # Check Linux kernel multicast VIFs:
14 cat /proc/net/ip_mr_vif
15 Interface BytesIn PktsIn BytesOut PktsOut Flags Local Remote
17 # Check Linux kernel MFC:
18 # Oifs format = vifi:TTL
19 cat /proc/net/ip_mr_cache
20 Group Origin Iif Pkts Bytes Wrong Oifs
22 # iproute2 can display the MFC:
24 (2.2.2.2, 239.2.2.2) Iif: eth1 Oifs: eth0