[c-nsp] Briding 2 Vlans on a 2950 switch with a security appliance

[Christian Zeng]

Hi,

* Gert Doering <gert at greenie.muc.de> wrote:
>As long as the ports in question are not configured as trunk ports,
>the switch has no idea whether the other end is in the same VLAN or
>in something else.  The packets are not tagged, and there is nothing
>in STP that tells "I'm a STP packet for VLAN #2".

I thought that a PVST(+) BPDU itself contain VLAN information too and
this will be checked against the VLAN ID of the "received" VLAN.

Best regards,


Christian