[Bridge] Linux Bridge Static FDB move

Toshiaki Makita makita.toshiaki at lab.ntt.co.jp
Thu Oct 26 11:13:11 UTC 2017


On 2017/10/26 1:47, Viraj.Raiyani at dell.com wrote:
> Hi Everyone,
> 
> 
> Is it possible to program the FDB entry in Linux Bridge which is static,
> non-local and doesn't move to new interface when the same source MAC
> packet comes on a different interface in the same bridge  ?

AFAIK no.
Bridge supports static fdb entries, but br_fdb_update() updates their
dst even for static entries.

> 
> 
> I tried programming the MAC as permanent that prevents the moving of MAC
> to a new interface in the same bridge, however it treats the MAC as
> local and doesn't do the forwarding ?

Yes, local entries will deliver frames to the bridge device itself.

-- 
Toshiaki Makita



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