# $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 -- |