[j-nsp] RE: Debugging subscribers on an ERX LNS (Thomas Salmen)

[Mohamed Salaheldin]

Dear Thomas

Below are some useful log categories that target L2TP operation:
l2tp
l2tpstatemachine

to enable real time logging of those categories
(conf)#log severity debug l2tp
(conf)#log severity debug l2tpstatemachine
(conf)#log destination console severity debug
(conf)#log here
the log message that appears on the terminal are very useful in
identifying the cause of the problem.
Please note that you should issue the command "no log here" if you get
a lot of log messages and you wish to terminate it.
Also do not forget to return the log severity to notice after you are
done with your debugging.

I hope this helps

Best Regards
Mohammad Salah



On Wed, 8 Dec 2004 12:00:13 -0500 (EST),
juniper-nsp-request at puck.nether.net
<juniper-nsp-request at puck.nether.net> wrote:
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>    1. Debugging subscribers on an ERX LNS (Thomas Salmen)
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> ----------------------------------------------------------------------
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> Message: 1
> Date: Wed, 8 Dec 2004 18:50:10 +1300
> From: "Thomas Salmen" <tsalmen at orcon.net.nz>
> Subject: [j-nsp] Debugging subscribers on an ERX LNS
> To: <juniper-nsp at puck.nether.net>
> Message-ID: <200412080552.iB85qCHD025957 at dbmail-mx2.orcon.net.nz>
> Content-Type: text/plain;       charset="us-ascii"
> 
> Greetings,
> 
> I don't see much discussion of E-series troubles, issues, features, etc, on
> this list - hopefully this isn't an M-series only list...
> 
> Anyways - I'm trying to come up with an easy way of running a per-subscriber
> debug on an ERX configured as a LAC.
> 
> It's reasonably obvious that this can be done on a box terminating PPPoA or
> PPPoE sessions, as there is a statically configured interface for each
> subscriber which a debug profile can be applied to. However on an LNS there
> is no interface until the subscriber session has been established - which is
> usually the process which is failing, hence the debug.
> 
> The only current way of doing debugs is to enable on a per-LAC or per-box
> basis - this doesn't scale to well, unfortunately.
> 
> Does anyone have any creative ways of doing this that they might be willing
> to share? I've asked Juniper directly, and they're getting back to me - I
> just though someone else might have figured out something as well.
> 
> Cheers,
> Thomas
> 
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