From: Jian Gu (guxiaojian@gmail.com)
Date: Tue Oct 31 2006 - 18:45:08 ART
This has been asked before, PC2 won't get anything because PC's NIC will
drop all ethernet frames if the Destination MAC does not match its own. Why
don't you simply run ethereal on PC1?
On 10/31/06, Andy Hoang <ahoang@sbcglobal.net> wrote:
>
> well obviously you'll get nothing on PC2 because fa0/2 is down. Is
> fa0/2 disabled or err-disabled by any chance? do "sho int fa0/2" and
> "sh mon session 1"
>
> --- haducbinh <haducbinh@vnpro.org> wrote:
>
> > Hi GS!
> >
> >
> >
> > I configuration Local SPAN!
> >
> > This is my topology:
> >
> > PC1--------(fas0/1)
> >
> > PC2--------(fas0/2)SW
> >
> > PC3--------(fas0/3)
> >
> >
> >
> > I want to configure fas0/1 is source SPAN, fas0/2 is destination
> > SPAN, when
> > I send traffic from PC3 to PC1, it will send copy traffic to PC2!
> >
> > This is configuration:
> >
> > SW(config)# monitor session 1 source interface fas0/1
> >
> > SW(config)# monitor session 1 destination interface fas0/2
> >
> >
> >
> > But when I "#show ip int brief", fas0/1 and fas0/3 is up/up, but
> > fas0/2 is
> > up/down. And when I send traffic from PC3 to PC1, PC2 don't receive
> > any
> > traffic!
> >
> > Where I'm wrong?
> >
> >
> >
> > Thanks!
> >
> > HaDucBinh
> > Mail: <mailto:haducbinh@vnpro.org> haducbinh@vnpro.org or
> > <mailto:haducbinh@yahoo.com> haducbinh@yahoo.com
> > Phone: +84 908 191 322
> >
>
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