[c-nsp] Spanning Tree works great - except when it doesn't

[Chris Hunt]

Nice one Nick.  A three pointer from WAY outside the box..
-Chris

On 10/15/2015 4:56 AM, Patrick M. Hausen wrote:
> Hi, Nick,
>
>> Am 15.10.2015 um 13:43 schrieb Nick Cutting <ncutting at edgetg.co.uk>:
>> I came across a curly one like this a few months back - turned out the STP handling of native VLan frames VS a non-created but configured native vlan on the downstream switch port.
>> The downstream switchport was also configured for native vlan of 999 - BUT vlan999 was not created in the vlan database so defaulted to expecting STP frames untagged I think - it was something like that.
> You nailed it! for some reason that I now need to investigate
> I do not have VLAN 999 in my VLAN database.
>
> *argh*
>
> Thanks, everyone.
> Patrick
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