[c-nsp] Strange ARP problem between 3560 and Linksys

Karol Mares karol.mares at gmail.com
Mon Sep 10 13:47:22 EDT 2007


Hi,

On 9/10/07, Garry <gkg at gmx.de> wrote:
>
> Karol Mares wrote:
> > Hi,
> >
> > On 9/5/07, *Garry Glendown* <garry at glendown.de
> > <mailto:garry at glendown.de>> wrote:
> >
> >     Raymond Macharia wrote:
> >     > Sounds like STP to me, how have you configured the STP. please
> >     privide a
> >     > simple schematic of physical connections. will help in narrowing
> >     down to the
> >     > source of your problem
> >
> >               A=======B
> >               |       |
> >               ----L----
> >
> >
> > Can you provide output from the commands:
> >
> > show spanning-tree detail
>
> Hm ... that would be slightly longer ... just getting the info for the
> main vlan ... (Gi0/26 is the Uplink to Switch "L", Port Channel 24 the
> link to B)
>
>
>
>
It looks like you are having 2 Root bridges, Switch A and Switch L, also no
BPDU can be seen on interconnection link with switch A<->L , check out the
Portfast,Rootguard, Stp on Linksys.

--
          iso


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