[c-nsp] monitor session on a LACP port channel?

Christian Koch christian at broknrobot.com
Wed Jun 25 23:09:54 EDT 2008


heh, what code/platform are you running?

the destination port is not included in ether channel is it?

On Wed, Jun 25, 2008 at 7:56 PM, William S. Duncanson <
caesar at starkreality.com> wrote:

> Yeah, I actually left that bit out of the e-mail.
>
> houcore5(config)#monitor session 1 source interface po16C ?
> % Unrecognized command
> houcore5(config)#monitor session 1 source interface po16C both
>                                                    ^
> % Invalid input detected at '^' marker.
>
> "houcore5(config)#monitor session 1 source interface po16 both" works, but
> doesn't result in traffic.
>
>
> --
> William S. Duncanson
> caesar at starkreality.com
>
>
> > -----Original Message-----
> > From: Christian Koch [mailto:christian at broknrobot.com]
> > Sent: Wednesday, June 25, 2008 21:53
> > To: William S. Duncanson
> > Cc: cisco-nsp at puck.nether.net
> > Subject: Re: [c-nsp] monitor session on a LACP port channel?
> >
> > did you specify tx/rx or both on the source port channel?
> >
> > monitor session 1 source interface port-channel 1 rx(or tx or both)
> >
> >
> >
> >
> > On Wed, Jun 25, 2008 at 2:16 PM, William S. Duncanson
> > <caesar at starkreality.com> wrote:
> >
> >
> >       I'm probably missing something really obvious here, but I'm trying
> to do
> > a
> >       monitor session on a LACP port channel.  sh etherchannel 16
> port-channel
> >       says the following:
> >
> >       houcore5#sh etherchannel 16 port-channel
> >                      Port-channels in the group:
> >                      ----------------------
> >
> >       Port-channel: Po16    (Primary Aggregator)
> >
> >       ------------
> >
> >       Age of the Port-channel   = 11d:00h:49m:54s
> >       Logical slot/port   = 14/16          Number of ports = 0
> >       HotStandBy port = null
> >       Port state          = Port-channel Ag-Not-Inuse
> >       Protocol            =   LACP
> >       Fast-switchover     = disabled
> >
> >       Time since last port bundled:    11d:00h:49m:19s    Gi9/18
> >       Time since last port Un-bundled: 11d:00h:47m:20s    Gi9/18
> >
> >       Port-channel: Po16C
> >       ------------
> >
> >       Age of the Port-channel   = 11d:00h:48m:23s
> >       Logical slot/port   = 14/19          Number of ports = 4
> >       HotStandBy port = null
> >
> >       Doing a "monitor session 1 source interface po16" yields no traffic
> on
> > the
> >       destination port; not surprising, as the interface is marked
> down/down.
> >       Po16C is marked as up/up, but "monitor session 1 source interface
> po16C"
> >       doesn't seem to be acceptable to the command interpreter.  What am
> I
> > doing
> >       wrong?
> >
> >
> >
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> >
> >
>
>


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