>> The downstream switchport was also configured for native vlan of 999 - BUT >> vlan999 was not created in the vlan database so defaulted to ...
Does anyone know of a program that will check all of the trunk ports on switches for vlans allowed + vlans allowed and active on both sides of a trunk port? Seems like it shouldn't be all _that_ hard to write, but downloading an already written program is easier still :) Thanks, Lee On 10/15/15, Patrick M. Hausen <[email protected]> wrote: > Hi, Nick, > >> Am 15.10.2015 um 13:43 schrieb Nick Cutting <[email protected]>: >> 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 > -- > punkt.de GmbH * Kaiserallee 13a * 76133 Karlsruhe > Tel. 0721 9109 0 * Fax 0721 9109 100 > [email protected] http://www.punkt.de > Gf: Jürgen Egeling AG Mannheim 108285 > > _______________________________________________ cisco-nsp mailing list [email protected] https://puck.nether.net/mailman/listinfo/cisco-nsp archive at http://puck.nether.net/pipermail/cisco-nsp/
