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| author | Christian Breunig <christian@breunig.cc> | 2023-10-28 20:57:38 +0200 |
|---|---|---|
| committer | Christian Breunig <christian@breunig.cc> | 2023-10-30 16:20:56 +0100 |
| commit | ec9a95502daa88b9632af12524e7cefebf86bab6 (patch) | |
| tree | db1e08a4dc32654bfdc9624450165a2ed82402c1 /data/templates/frr | |
| parent | 0e129df010f5306b9a8ba5b39fffb520baade38b (diff) | |
| download | vyos-1x-ec9a95502daa88b9632af12524e7cefebf86bab6.tar.gz vyos-1x-ec9a95502daa88b9632af12524e7cefebf86bab6.zip | |
vxlan: T5668: add CLI knob to enable ARP/ND suppression
In order to minimize the flooding of ARP and ND messages in the VXLAN network,
EVPN includes provisions [1] that allow participating VTEPs to suppress such
messages in case they know the MAC-IP binding and can reply on behalf of the
remote host. In Linux, the above is implemented in the bridge driver using a
per-port option called "neigh_suppress" that was added in kernel version 4.15.
[1] https://www.rfc-editor.org/rfc/rfc7432#section-10
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