From: Nadeem Ansari (nadeem.ansari574@gmail.com)
Date: Wed Mar 18 2009 - 06:30:45 ART
Hi,
You had mentioned that you are interconnecting MST with RPVST domain, And
when we do that than entire MST domain looks like a single virtual switch to
RPVST domain, For that reason it runs CST (Common Spanning Treet) between
MST and RPVST which can take 15 to 20 sec or more.
I hope somebody will correct me if I am wrong !
Like to know how convergance happening inside the individual domain (MST and
RPVST)
Regards
Nadeem
On Wed, Mar 18, 2009 at 7:28 AM, JAZ <azeemu@gmail.com> wrote:
> Hi Guys,
> I have 6509 is running MST (Multiple Spanning Tree) at main office , while
> other location 3750 and 6509 are running Cisco-Proprietary RPVST+ (Rapid
> Per VLAN Spanning Tree Plus). In addition, main office 6509 is operating
> on
> CatOS, whereas the other location (3750 and 6509) are both running IOS.
> TWe have convergence issues that were seen on the network, If there is
> any
> outage ... spanning convergence took 15 to 20 sec .... I think should take
> msec ..., I want to know .. why this took so much time?
> Thanks
>
>
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