[j-nsp] EVPN all-active toward large layer 2?

Tarko Tikan tarko at lanparty.ee
Thu Apr 18 05:13:53 EDT 2019


hey,

> You have effectively created L2 loop over EVPN, so to cut it you need a
> link between bridged network and EVPN to be a single link. There is no STP
> in EVPN.

To be fair it's not a full loop but only BUM traffic will loop back to 
other PE.

Single-active is only way forward if you cannot do something like MC-LAG 
from the L2 domain.

-- 
tarko


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