From: Joseph Brunner (joe@affirmedsystems.com)
Date: Fri Jan 02 2009 - 20:25:06 ARST
I suspect a bridge loop...
Can you confirm the following
-None of these ports are looped via cable back to each other
-Bpdufilter is NOT enabled (no spanning-tree bpdufilter enable)
-if a switch or hub is connected to these ports there is no port on that
device that is looped via cable back to another port either on this switch
or the switching infrastructure (via another wall jack, etc.)
I fought a 6509 fire just like the one you are seeing and it was caused by
my third thing to check
-Joe
-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of Asim
Zafar
Sent: Friday, January 02, 2009 5:20 PM
To: Cisco certification
Subject: 6500 stp stages issue
Dear Group,
i am facing issue with some ports in 6500 causing the switch to reach
to 100% cpu utilization and loss the functionality,
These ports are access ports repeatedly go from disable state to
forwarding state for many times and then become stable. but due the
transition phase the CPU utilization increase.
-- Thanks & Regards,Asim Zafar
Blogs and organic groups at http://www.ccie.net
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