If the cabletron thing is compliant with the IEEE spec, which only specifies
one instance of STP on a trunk, you will need to configure (or just be
aware) of PVST+'s existence.
----- Original Message -----
From: "Daniel Cotts"
To:
Sent: Monday, May 28, 2001 1:30 PM
Subject: RE: trunking [7:6123]
> ISL is Cisco proprietary. 802.1Q is an open standard so that would be the
> way to connect the boxes. Check out "Cisco LAN Switching" by Clark and
> Hamilton.
>
> > -----Original Message-----
> > From: SH Wesson [mailto:[EMAIL PROTECTED]]
> > Sent: Monday, May 28, 2001 12:03 PM
> > To: [EMAIL PROTECTED]
> > Subject: trunking [7:6123]
> >
> >
> > My environment is currently running Cabletron equipment that
> > has trunking
> > set to 802.1q. I'm putting in a new Catalyst 6500 switch and
> > will be tieing
> > that into the Cabletron network. My question is, since I'm
> > not going to
> > trunk between the two but just to have a cross connect to communicate
> > between the two networks, should I be using ISL trunking on
> > the Cisco switch
> > or should I be using 802.1q so that it is compatible with the
> > Cabletron
> > network. In addition, if I do use 802.1q trunking, will that
> > mess up the
> > Cabltron side. Thanks.
> >
> >
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