From: James Ventre (messageboard@ventrefamily.com)
Date: Wed Jan 11 2006 - 18:19:40 GMT-3
On a 6500 - you can disable that feature (for everything or specific
vlans). It's called the MSFC Auto-State. It's so that if you lose a
link to a network (or all the ports in a vlan goes down) you no longer
advertise that network (don't advertise for things you can't deliver on)
James
CCIEin2006 wrote:
> Hey guys,
>
> I made some observations and I was wondering if someone could verify/explain
> them.
>
> 1. When creating a SVI on a Cat3550 switch (i.e. Interface Vlan50) the
> interface will remain in a down/down state until the actual vlan (in this
> case vlan 50) is configured. Is this correct?
>
> 2. When creating a SVI on a Cat6500 switch, creating the actual vlan is not
> enough to bring the interface to an up/up state. You actually need a device
> connected to that vlan to be in an up/up state. If there are no devices
> connected to that vlan the virtual interface will go to down state.
> Is that correct? Why is that?
>
> Thanks!
>
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