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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-28 09:53:30 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-28 09:53:30 +0000 |
| commit | 2c7cac91ed6e7db0f6937923d2b57f97dbdbc337 (patch) | |
| tree | c05dc0f8e6aa3accc84e3e5cffc933ed94941383 /pimd/LINUX_KERNEL_MROUTE_MFC | |
| parent | Initial commit. (diff) | |
| download | frr-2c7cac91ed6e7db0f6937923d2b57f97dbdbc337.tar.xz frr-2c7cac91ed6e7db0f6937923d2b57f97dbdbc337.zip | |
Adding upstream version 8.4.4.upstream/8.4.4upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
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 -- |