From: CCIEin2006 (ciscocciein2006@gmail.com)
Date: Thu Jan 12 2006 - 14:42:07 GMT-3
So this feature is exclusive to Catalyst 6500's?
On 1/11/06, James Ventre <messageboard@ventrefamily.com> wrote:
>
> 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.
>
>
>
http://www.cisco.com/en/US/products/hw/switches/ps708/products_configuration_
guide_chapter09186a008022f27a.html#wp1035450
>
> 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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