From: James Ventre (messageboard@ventrefamily.com)
Date: Wed Jan 11 2006 - 21:29:13 GMT-3
I still disagree. I think you're confusing AutoState Tracking with
Normal AutoState (default).
"Normal Autostate Mode
Autostate shuts down (or brings up) the Layer 3 interfaces/subinterfaces
on the MSFC and the Multilayer Switch Module (MSM) when the following
port configuration changes occur on the switch:
•When the last port on a VLAN goes down, all the Layer 3
interfaces/subinterfaces on that VLAN shut down (are autostated) unless
sc0 is on the VLAN or another router is in the chassis with an
interface/subinterface in the VLAN.
•When the first port on the VLAN is brought back up, all the Layer
3 interfaces on that VLAN that were previously shut down are brought up."
There is NO mention of STP here - because it's not used.
James
Michael Brooks wrote:
I think I spoke to soon.... even with spanning-tree disabled, the vlan is
still remains "spanning tree forwarding" state across the trunk. When you
shut the trunk down. The vlan interface does go down as well.
SW7(config)#no spanning-tree vlan 7
SW7#sho int trunk
Port Vlans in spanning tree forwarding state and not pruned
Fa0/13 1,*7*,10,18,38,42,57,263
So...actually I still believe it has to do with if spanning-tree is
forwarding on the vlan.
Mike
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