Re: Spanning-tree Mst

From: Anthony Sequeira (asequeira@internetworkexpert.com)
Date: Thu Feb 26 2009 - 01:10:06 ARST


http://blog.internetworkexpert.com/2008/09/24/mstp-tutorial-part-ii-outside-a-region/

Anthony J. Sequeira, CCIE #15626, CCSI #23251
Senior CCIE Instructor

asequeira@internetworkexpert.com

Internetwork Expert, Inc.
http://www.InternetworkExpert.com
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On Feb 25, 2009, at 9:51 PM, <dls152@cox.net> wrote:

> Can someone tell me why I am getting port role Mstr on Gi 1/0/21 I
> haven't heard of this port role?
>
>
>
> MST1
> Spanning tree enabled protocol mstp
> Root ID Priority 32769
> Address 001b.9014.5f00
> This bridge is the root
> Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec
>
> Bridge ID Priority 32769 (priority 32768 sys-id-ext 1)
> Address 001b.9014.5f00
> Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec
>
> Interface Role Sts Cost Prio.Nbr Type
> ---------------- ---- --- --------- --------
> --------------------------------
> Gi1/0/19 Altn BLK 20000 128.19 P2p Bound(RSTP)
> Gi1/0/21 Mstr FWD 20000 128.21 P2p Bound(RSTP)
> Gi1/0/22 Altn BLK 20000 128.22 P2p Bound(RSTP)
>
>
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