[j-nsp] What are L2 channel errors?

[Scott Morris]

50/sec seems unrealistic for DecNet to be the answer.  While this (and CDP
and other miscellaneous things that JunOS can't map right) may cause these
errors, the quantity is wrong unless you have a LOT of DecNet and are trying
to route it or something.  :)

I'd look more at VLANs.  If you are receiving tags that aren't configured on
the Juniper side, you may see the same thing, and the quantity there would
seem more realistic depending on how many you have going on.

On your Cisco side of the trunk, you can restrict the VLANS allowed across
with the "switchport trunk allowed ..." command.

HTH,

Scott 

-----Original Message-----
From: juniper-nsp-bounces at puck.nether.net
[mailto:juniper-nsp-bounces at puck.nether.net] On Behalf Of Jared Mauch
Sent: Wednesday, April 05, 2006 2:35 PM
To: joe mcguckin
Cc: juniper-nsp at puck.nether.net
Subject: Re: [j-nsp] What are L2 channel errors?

On Wed, Apr 05, 2006 at 11:29:04AM -0700, joe mcguckin wrote:
> 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?

	do you have decnet enabled? :)

	(hi mike!)

	do this on your interface (cisco):

	"no mop enabled"

	- jared

--
Jared Mauch  | pgp key available via finger from jared at puck.nether.net
clue++;      | http://puck.nether.net/~jared/  My statements are only mine.
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