Thus spake Maik Bachmann (maik@Ironmaik.COM):
> ------------ --------------
> | | P2/1 VLAN-10 | |
> | Switch1 |-----------------------------| Switch2 |
> | | VLAN-20 P2/1 | |
> ------------ --------------
>
> We have 2 VLANS directly connected (I know - it's bad design - but thats
> not the question). Will the STP coming from switch1 on VLAN-10 be extended
> into switch2 or will the STP be broken since there are two distinct VLANS ?
> If they will be broken - how is this accomplished (probably not thru BPDU
> packets).
Maik,
The BPDUs from each side will cross the link. You will have one "tree".
This works fine under PVST and PVST+. If you try this with MISTP it
won't work under most circumstances.
Enjoy,
Mark
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