[c-nsp] GBIC requires restart after link loss

[John Kougoulos]

On Tue, 4 Oct 2011, Martin T wrote:

> WS-C2960G-24TC-L[Gi0/22] <-> [Gi3/4]WS-C4506
>
> SFP in WS-C2960G-24TC-L is a noname 1000BASE-LX10 transceiver working
> thanks to "service unsupported-transceiver". GBIC in WS-C4506 is an
> Avago AFCT-5611Z 1000BASE-LX10. Linecard model in WS-C4506 is
> WS-X4306-GB.
>
> I had a situation where WS-C2960G-24TC-L reloaded, but link between
> WS-C2960G-24TC-L and WS-C4506 did not came up until I did "shutdown"
> and "no shutdown" to port Gi3/4 in WS-C4506. I have seen similar
> behaviour with GBIC transceivers on WS-X4306 linecard as well(in
> another WS-C4506) and for example in case there is a fibre cut between
> the switches, once the cable is repaired, sometimes one needs to make
> "shutdown" and "no shutdow" to GBIC port in order for line protocol to
> come up.
>

Martin,

check this bugid: CSCsq54639

Regards,
John