Yep, this is true, which is why judicious pruning can be 
helpful from time to time.  

For instance, let's say you have a trunk link between to 
switches that is carrying VLAN1, VLAN2, and VLAN3.  However, on 
the second switch you only have users in VLAN1 and VLAN2, none 
in VLAN3.  You discover that some protocols in use on VLAN3 are 
highly broadcast and multicast intensive.  It doesn't make 
sense to trunk VLAN3 to the second switch if there are no users 
in that VLAN.  In a case like this, it simply wastes bandwidth.

HTH,
John


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---- On Wed, 13 Feb 2002, Prabhu K. ([EMAIL PROTECTED]) 
wrote:

> Dear all,
> 
>   By default, broadcasts for a VLAN are sent to every switch 
that as a
> trunk link that carries the VLAN, is it true?
> 
> Reagrds
> Prabhu
> India
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