[c-nsp] ASR920 randomly loosing layer-2 on a port

[Adrian Minta]

On 7/11/22 16:22, Shawn L wrote:
> I have a strange one.  I have a ASR-920-4SZ ( 2 copper ports, 4 10-gig sfp
> ports all licensed).
>
>
> A day or 2 ago, the connection dropped and we're back to the same situation
> again.  Link is up, but not learning mac addresses from te0/0/4.  Nothing
> has changed (which we verified) since we got the circuit working the first
> time.  Bouncing the interface, going back to auto negotiate, etc. doesn't
> seem to help.
>
> Wondering if anyone's seen this before or has any ideas.  I know the asr920
> is 'fun' and a 1-gig sfp in a 1-gig/10-gig slot isn't the greatest idea
> (thinking of replacing it with something with more copper ports), but I'm
> trying to figure out why it worked before and suddenly stopped in the
> meantime.
>
>
Yes, this is one of the bugs in 3.x trains. The solution is to upgrade 
to something like 16.12.x.

-- 
Best regards,
Adrian Minta