[c-nsp] native vlan & tagged ?

[Tim Stevenson]

Actually, you can tag the native vlan using the global "vlan dot1q tag 
native" command. This affects all configured trunks in the box.

Supported on 6500/4500/3750, others I am not sure.

Tim

At 02:38 PM 3/4/2005, Michael Loftis pronounced:


>--On Friday, March 04, 2005 14:07 -0800 matthew zeier <mrz at intelenet.net>
>wrote:
>
> >
> > Server is using the Intel PRO1000 and has an IPMI card.
> >
> > My goal is to have the IPMI on Vlan10 and have the server on Vlan10 and
> > "something else" (whatever network the customer is on).   The IPMI BMC
> > card doesn't understand trunking of dot1q.
> >
> > Under Linux, this is no problem - eth0 can handle untagged frames and
> > eth0.<vlan> can handle tagged frames.
> >
> > Under Windows, the Intel driver doesn't appear to let me create an
> > untagged interface (or if it doesn't I don't know how to do it).  My
> > switch config looks like:
>
>Basically what 'native' does is cause any frame coming in on that vlan for
>that trunk to pass untagged.  So no, you can't have both at the same time.
>Outgoing frames can be tagged or untagged for the native vlan (though
>tagging them defeats the purpose), but incoming frames on the native vlan
>will always be untagged.  (incoming in this instance is from the point of
>view of the attached device)
>
>So it seems there is no way for your windows OS on those box(es) to be both
>setup for IPMI and be able to talk on the IPMI VLAN.
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Tim Stevenson, tstevens at cisco.com
Routing & Switching CCIE #5561
Technical Marketing Engineer, Catalyst 6500
Cisco Systems, http://www.cisco.com
IP Phone: 408-526-6759
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