| # $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 -- |