Flex-link with bpdu-guard and bpdu-filter on the ports between your STP domains along with the trunks. You can have MSTP in one domain and PvST+ in the other. But this is scary and we would need to see a topology to ensure loops can be avoided.
Regards,
Joe Sanchez
( please excuse the brevity of this email as it was sent via a mobile device. Please excuse misspelled words or sentence structure.)
On Sep 25, 2012, at 7:01 PM, Viet-Hung Ton <vton_at_integra.fr> wrote:
> Hi,
>
> I have a region of MSTP that must communicate with a zone of PVST. Because of historical reason, I must leave the Root bridge in the PVST+ zone, but in theory, the MSTP region want to have the Root Bridge inside, that's why interfaces of routers in this region are in the unfunctional state when doing a "show spanning-tree":
>
> Root BKN* 20000 128.1 P2p Bound(PVST) *PVST
>
> Do you have any ideas how to resolve this problem considering that I can just change the configuration in the MSTP zone but not to PVST zones?
>
> Is there any things of Cisco like Topology-group with the Master Vlan of Brocade, where we can take a Vlan in mode PVST and mapping all others Vlans to this Vlan (only one instance of PVST)?
>
> Thanks for your help,
>
> Viet
>
>
> Blogs and organic groups at http://www.ccie.net
>
> _______________________________________________________________________
> Subscription information may be found at:
> http://www.groupstudy.com/list/CCIELab.html
Blogs and organic groups at http://www.ccie.net
Received on Wed Sep 26 2012 - 00:06:12 ART
This archive was generated by hypermail 2.2.0 : Mon Oct 01 2012 - 06:40:29 ART