diff options
Diffstat (limited to 'pimd/LINUX_KERNEL_MROUTE_MFC')
| -rw-r--r-- | pimd/LINUX_KERNEL_MROUTE_MFC | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/pimd/LINUX_KERNEL_MROUTE_MFC b/pimd/LINUX_KERNEL_MROUTE_MFC new file mode 100644 index 0000000..3e48246 --- /dev/null +++ b/pimd/LINUX_KERNEL_MROUTE_MFC @@ -0,0 +1,24 @@ +# +# 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 -- |