[c-nsp] sending BPDUs in tagged frame in MST

Mateusz Błaszczyk blahu77 at gmail.com
Tue Nov 4 08:37:04 EST 2008


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>
> I need to send BPDUs in tagged frame. I don't want to use PVST and
> PVST+ since stp instances per VLAN is not preferable at least in my
> scenario.
>
> I want to use standard STP or RSTP or MST. Is there any command in cisco
> where I can send BPDUs in tagged (vlan) frame. I have been trying this
> in Catalyst 2950.

what do you want to achieve?
1) if you want pass MSTP over through your network you should be using
l2 protocol tunneling.

Router(config-if)# l2protocol-tunnel stp

2) if you want to tag MSTP BPDUs send over a link between 2 switches
that are in the same region -  I think it is not possible

> If this can be done on other higher end cisco switches please suggest me
> on this.

as above..

Best regards,

- --
- -mat  pgp-key 0x1C655CAB

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