[c-nsp] strange vlan issue

[Mike]

Lee Starnes wrote:
> Hi All,
>
> I'm really puzzled by a switch that has stopped working on one vlan only.
> This switch has vlans 1 and 2. vlan 1 no longer will pass traffic. I can't
> even ping out to it's gateway from the switch, but you can ping the switch
> from it's gateway. A show cdp nei shows what it is connected to.
>
> I have replaced the cable and switched to different ports with no luck. I
> have never seen an issue where a switch will just stop passing traffic on 1
> vlan. We replaced the switch and all is fine, so just want to know if
> someone else has seen this issue before.
>
> The switch is a 2950. It has been in service and running flawlessly with the
> same config since November of 2002.
>   

Post the config here and lets take a look.