[c-nsp] HP/Cisco Spanning Tree
Conaway, Aaron
aaron.conaway at morris.com
Thu Aug 16 15:46:51 EDT 2007
Roy:
We just turned up an HP GbE2c switch for a blade chassis on a Cisco-only
LAN and saw the same thing. The fall from glory was the fact that Cisco
does PVST and that the HP uses a single instance of STP for all VLANs.
The solution for us was to turn up a mess of STP groups on the HP -- one
for each VLAN. That fixed it right up.
-----
Aaron Conaway
-----Original Message-----
From: cisco-nsp-bounces at puck.nether.net
[mailto:cisco-nsp-bounces at puck.nether.net] On Behalf Of Roy
Sent: Thursday, August 16, 2007 2:14 PM
To: cisco-nsp at puck.nether.net
Subject: [c-nsp] HP/Cisco Spanning Tree
I have to integrate a new Cisco 3550 into an existing network based
mostly on older HP Procurve units. Multiple VLANs are involved. When I
enabled spanning tree, the whole network seems to seize. I suspect some
sort of problem due to the default PVST. I guess I need to switch to
MST. Does anyone have any experience in this configuration?
Roy
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