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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