Forgot to mention that. Not spec... and propiertary to
the XLR's and possibly other Bay switches.
Just for history, one of the main identifiers in the
802.1q header has a value from bay. Bay started using
their vendor code before the spec was final and it
stuck. This was disussed previously on the list and
should be in the archives if you want the details.
--- Brant Stevens <[EMAIL PROTECTED]> wrote:
> On the Accelars, you can have multiple STP groups
> and priorities for
> switches as well, so I guess that's their way around
> the 802.1Q limitation,
> even though it's not quite conforming to spec.
>
> -Brant.
>
>
> -----Original Message-----
> From: [EMAIL PROTECTED]
> [mailto:[EMAIL PROTECTED]]On Behalf Of
> Erick B.
> Sent: Wednesday, January 10, 2001 1:44 PM
> To: Steve Linney; [EMAIL PROTECTED]
> Subject: Re: VTP Protocal Cisco 5000 and 3com
> Superstack II 1100
>
>
> I read somewhere that they are working on revising
> the
> 802.1q standard to support per-vlan STPs and it's
> based on Cisco's per vlan STP. Not sure what the
> current status is. You could turn off STP to avoid
> this I think (haven't tried) if your network layout
> doesn't have any loops, etc. Of course, if they do
> update the 802.1q standard then the vendors will
> need
> to update their code, etc. So, if vendors don't
> follow
> a standard to the spec or slightly modify it then
> you
> might run into problems. Thats why their are
> standards
> and why it's important people stick to them.
>
> As for FastEtherChannel vs Trunking on Bay comment,
> FastEtherChannel is Cisco propiertary trunking
> method.
> Bay has same thing but it is also Bay propiertary
> and
> is called different things on different Bay/Nortel
> products (on the switches it's called MLT, on BayRS
> it's called multiline, other products may have other
> names).
>
> --- Steve Linney <[EMAIL PROTECTED]>
> wrote:
> > I was looking into this Cisco/non-Cisco switch
> issue
> > just recently and was
> > told that the 802.1q standard stipulates only 1 x
> > STP, and yet with Cisco's
> > 802.1q implementation you can have per vlan STP
> (not
> > quite matching the
> > 802.1q standard). Perhaps someone in the group can
> > clear this issue up for
> > us.
> >
> > Steve
> > "Piatnitchi Cristian"
> > <[EMAIL PROTECTED]> wrote in message
> >
>
[EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
> > > Hi Rico
> > >
> > > Take care ! I had many problems with set up a
> STP,
> > trunking and
> > > 802.1q between Cisco 5000 and Bay Networks.
> > > I gave up because finally I used just 1 link
> > between these devices.
> > > I was surprised to see that FastEtherChannel on
> > Cisco means trunking on
> > > Bays'.
> > > This is what somebody from CISCO staff suggested
> > to me.
> > >
> > > -----Original Message-----
> > > From: Washington Rico
> [mailto:[EMAIL PROTECTED]]
> > > Sent: Wednesday, January 10, 2001 4:56 AM
> > > To: [EMAIL PROTECTED]
> > > Subject: VTP Protocal Cisco 5000 and 3com
> > Superstack II 1100
> > >
> > >
> > > Dear all,
> > >
> > > I wonder if anyone knows if it is possible to
> > trunk a 3com Superstack II
> > > 1100 with a Cisco 5000 serious switch. 3com
> > switch is the client and
> > > recieving vlan info from Cisco5000? If it is
> > possible which Trunking
> > > Protocal should be used?
> > >
> > > I appreciate the help...
> > >
> > > Rico
> > >
> > >
> > >
> >
>
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