Re: ISL Trunking between 6500 & 2924

From: Eric Fairfield (eric.fairfield@xxxxxxxx)
Date: Sun Feb 04 2001 - 22:54:48 GMT-3


   
I don't believe VTP Pruning is a V2 feature. The biggest thing that I can
remember about V2 is that it added support for Token Ring.

Eric Fairfield
CCIE #6413

----- Original Message -----
From: "Justin Menga" <Justin.Menga@computerland.co.nz>
To: <Martin.Duggan@ntl.com>; <ccielab@groupstudy.com>
Sent: Sunday, February 04, 2001 4:50 AM
Subject: RE: ISL Trunking between 6500 & 2924

> The whole point of VTP is to communicate VLAN information across multiple
> switches to allow easy configuration. I don't think you can block the
> advertisement of the existence of VLANs, but by setting your trunk to
> support only certain VLANs, you block the otehr VLAN traffic from
transiting
> the trunk.
>
> VTP Pruning is a v2 feature that stops traffic from being sent
unnecessarily
> across a trunk to a switch that has no ports that belong to the VLAN
>
> Regards,
>
> Justin Menga CCIE #6640 MCSE+I CCSE
> WAN Specialist
> Computerland New Zealand
> PO Box 3631, Auckland
> DDI: (+64) 9 360 4864 Mobile: (+64) 25 349 599
> mailto: justin.menga@computerland.co.nz
>
>
>
> -----Original Message-----
> From: Martin.Duggan@ntl.com [mailto:Martin.Duggan@ntl.com]
> Sent: Sunday, February 04, 2001 8:28 AM
> To: ccielab@groupstudy.com
> Subject: ISL Trunking between 6500 & 2924
>
>
> Hi All
>
> I've set up ISL between a 6500 & a 2924XL, I only wish to advertise VLANS
> 1-50 to the 2924 but have 1-60 set up on the 6500, the 6500 is server &
the
> 2924 is client in the same domain - problem is the 2924 always picks up
all
> the VLANS set up on the 6500 !
>
> CONFIG ON 6500
>
> clear trunk 4/5 51-1005,1025-4094
> set trunk 4/5 on isl 1-50
>
> Anyone aware of any issues as the config should be correct ?
>
> Thanks - Martin
>



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