Yes true on the trunk but I have seen organizations set up a big flat
network using VLAN1, my point is leave VLAN 1 for management and put
your uers on another/other VLANS is a good rule of thumb.

  Dave

Leigh Anne Chisholm wrote:
> 
> Actually, you'll find that there's a problem when any two VLANs share a
> trunk link.  A very simple technique to get around this problem is to use
> redundant links.  Typically Spanning Tree Protocol would disable the second
> link, but an administrator could tune the STP parameters so that traffic
> from VLAN A could pass over link A - link B would be blocked.  Traffic from
> VLAN B could pass over link B - link A would be blocked.  Oh the joys of
> per-VLAN Spanning Tree.
> 
>  -- Leigh Anne
> 
> > -----Original Message-----
> > From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On Behalf Of
> > MADMAN
> > Sent: Thursday, August 30, 2001 2:19 PM
> > To: [EMAIL PROTECTED]
> > Subject: Re: vlans [7:17919]
> >
> >
> > Both VLAN are hosed.  This is EXACTLY why you want to leave VLAN 1
> > alone as it is the default VLAN and is used by the switches for
> > maintanence, i.e. VTP, spanning, PAGP, DISL...
> >
> > Joe Morabito wrote:
> > >
> > > If you have a switch that has 2 vlans (vlan1 and vlan2) using the same
> > > physical connection to the rest of the network, what happens to vlan1
if
> > > vlan2 is suffering from a broadcast storm, since both vlans traverse
the
> > > same physical wire?
> > --
> > David Madland
> > Sr. Network Engineer
> > CCIE# 2016
> > Qwest Communications Int. Inc.
> > [EMAIL PROTECTED]
> > 612-664-3367
> >
> > "Emotion should reflect reason not guide it"
-- 
David Madland
Sr. Network Engineer
CCIE# 2016
Qwest Communications Int. Inc.
[EMAIL PROTECTED]
612-664-3367

"Emotion should reflect reason not guide it"




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