[j-nsp] What are L2 channel errors?

Matthew Johnson m01442 at hotmail.com
Wed Apr 5 19:42:53 EDT 2006


Worth checking that you have restrictions configured for the cisco trunk.
I think by default all vlans are enabled on trunks.

MLJ

>From: "Harry Reynolds" <harry at juniper.net>
>To: "Matthew Johnson" <m01442 at hotmail.com>,<juniper-nsp at puck.nether.net>
>Subject: RE: [j-nsp] What are L2 channel errors?
>Date: Wed, 5 Apr 2006 12:03:53 -0700
>
>Specifically, it cannot find an entry for the layer 2 circuit
>identifier, i.e., receiving a frame with a given vlan tag when that vlan
>is not configured on the corresponding interface. Sounds to me like you
>have trunked vlans that have not been defined on the JNI interface.
>
>HTHs
>
>
>
> > -----Original Message-----
> > From: juniper-nsp-bounces at puck.nether.net
> > [mailto:juniper-nsp-bounces at puck.nether.net] On Behalf Of
> > Matthew Johnson
> > Sent: Wednesday, April 05, 2006 11:41 AM
> > To: juniper-nsp at puck.nether.net
> > Subject: Re: [j-nsp] What are L2 channel errors?
> >
> > This counter increments when the software could not find a
> > valid logical interface (that is, something like t3-1/2/3.0)
> > for an incoming frame.
> >
> > Are you able to use the interface?
> >
> >
> > MLJ
> >
> >
> >
> > >From: joe mcguckin <joe at via.net>
> > >To: juniper-nsp at puck.nether.net
> > >Subject: [j-nsp] What are L2 channel errors?
> > >Date: Wed, 5 Apr 2006 11:29:04 -0700
> > >
> > >On one of our GigE interfaces, we accumulate L2 channel errors at a
> > >rate of about 50/sec.
> > >
> > >It's plugged into a Cisco switch, serving as a trunked interface.
> > >
> > >What is a common cause of this?
> > >
> > >Thanks,
> > >
> > >Joe
> > >
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> >
> >
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