STP (by default) should take up to 50 secs, but I thought *all* ports should
go into blocking mode first thing before the STP recalc starts.... otherwise
you could have a switching loop (broadcast storm) for up to 50 secs.... not
good....

Mike W.

"Peter Slow"  wrote in message
[EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
> nope. not if hes connecting to his root bridge. all of the interfaces on
the
> root bridge will be in forwarding state, so he should see the blocked
> interface on the 3548 switch.
>
> something is wrong.
>
> just remember that you dont plug things in and ~*BLIP*~ things start
> blocking.
> convergence takes like 50 seconds on a network set up with defaults.
>
> wait a few minutes bofore looking and see what you come up with.
> \
> -Peter Slow
>
>
> -----Original Message-----
> From: Gareth Hinton [mailto:[EMAIL PROTECTED]]
> Sent: Monday, July 09, 2001 9:34 PM
> To: [EMAIL PROTECTED]
> Subject: Re: Spanning tree cost for redundant connection. [7:11623]
>
>
> Only one end of the link will show as blocking, the other will stay as
> forwarding even though no traffic can pass over the link.
> Check the other end to see if that is blocking.
>
> Regards,
>
> Gaz
>
> ""Ryan Ngai Hon Kong""  wrote in message
> [EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
> > Hi,
> >
> > I have about 18 C3548 switches with UTP cross-over as a redundant link
to
> > the core C6009 switches (1 unit) and the production link of LX & SX
GBIC.
> > When the production link is in operation, all the GBIC ports is in
> > forwarding
> > state. However when I attach the redundant UTP cable at 1 C3548 to the
> > another
> > C3548 (cascade), I wonder why they are still in forwarding state. Here's
a
> > basic
> > layout.
> >
> > C3548    \      / C3548
> >   (utp) |      \ /   | (utp)
> > C3548 ---- C6009 ----- C3548
> >   (utp) |      /       \   | (utp)
> > C3548    /    \ C3548
> >
> > How do I set the cascading port (as a redundant link) into blocking
state?
> >
> > Regards,
> > Ryan




Message Posted at:
http://www.groupstudy.com/form/read.php?f=7&i=11830&t=11623
--------------------------------------------------
FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html
Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]

Reply via email to