Re: VLAN interfaces and mac-addresses

From: MADMAN (dave@interprise.com)
Date: Tue Aug 19 2003 - 12:44:00 GMT-3


   Is this an acedemic exercise or are you having a problem?

   Dave

Raj Bahad wrote:
> Hi Guys,
>
> I've come across a specific problem and was wandering if any of you have a
> workaround. Currently, we have a Cisco 3745 installed with a NM-16ESW (Layer 2
> switch card).
>
> Now using conventional configurations, I have configured a VLAN interface and
> associated the physical interface with it. However, the problem is that ALL
> VLAN interfaces are using the bia-mac address of FastEthernet 0/0 and not from
> its associated interface FastEthernet 1/0.
>
> I have currently 5 VLAN interfaces setup and have each one associated with a
> separate interface belonging to the NM-16ESW module. I've tried to change the
> mac-address on the vlan interface by using "mac address H.H.H" but the IOS
> states this command is not supported on this interface.
>
> Does anyone know of a way of associated the real mac-address of an interface
> with it's associated VLAN interface?
>
> TIA,
>
> Raj.
>
>
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-- 
David Madland
CCIE# 2016
Sr. Network Engineer
Qwest Communications
612-664-3367

"Government can do something for the people only in proportion as it can do something to the people." -- Thomas Jefferson



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