[c-nsp] Nexus debug output

[Tim Stevenson]

Hi Bob,

Try using the "debug-filter" options - eg, if you're debugging ospf in vrf foo:

debug-filter ip ospf vrf foo
debug ip ospf adj

The debug-filters are really pretty powerful, it helps you narrow 
down the debugs to just what you're looking for. Filters are 
available for most L3 protocols & infrastructure.

Hope that helps,
Tim


At 02:37 PM 1/3/2012, Bob Sinclair stated:

>Thanks Tim! That was it.  Huge help!
>
>I can also now debug activity in a non-default VDC, but only for activity
>on default vrf interfaces.  That seems like a real limitation, but I cannot
>find any vrf keywords on debug commands.  I also tried changing
>routing-context to the non-default vrf, but that did not help.  Any way to
>debug activity in the non-default vrfs?  For example, debug ip ospf events?
>
>Thanks!
>
>-----Original Message-----
>From: Tim Stevenson [<mailto:tstevens at cisco.com>mailto:tstevens at cisco.com]
>Sent: Tuesday, January 03, 2012 4:32 PM
>To: bob at bobsinclair.net; cisco-nsp at puck.nether.net
>Subject: Re: [c-nsp] Nexus debug output
>
>Hi Bob,
>
>What are you pinging? I assume it's something out the mgmt0 interface. In
>this case, debug ip packet detail will not generate any output - many debugs
>are applicable to the inband interface only (as in this case).
>
>One alternative if you want to capture mgmt0 traffic is to use the
>ethanalyzer, eg something like:
>
>ethan local int mgmt capture-filter "icmp" limit-captured-frames 20 detail >
>bootflash:foo
>
>etc.
>
>Or, if you're just trying to see how the debug logfile works, ping something
>connected to something other than mgmt0.
>
>Hope that helps,
>Tim
>
>
>At 12:46 PM 1/3/2012, Bob Sinclair stated:
> >Hi,
> >
> >
> >
> >I am not able to see any debug output on my Nexus 7K.  I am logged into
> >the default VDC as netadmin.  I have set up a debug logfile.  But when,
> >for example, I turn on 'debug ip packet' then try a ping  I get nothing
> >from 'show debug logfile mydebugs'  I have searched command references,
> >config guides and googled, to no avail.
> >
> >
> >
> >Any help would be most appreciated.
> >
> >
> >
> >C1-Default# sh debug
> >
> >
> >Output forwarded to file mydebugs (size: 4194304 bytes)
> >
> >
> >Debug level is set to Minor(1)
> >
> >
> >  default for new sessions logging level: 3
> >
> >
> >
> >
> >
> >debug ip packet
> >
> >
> >`end`
> >
> >
> >C1-Default# sh debug logfile mydebugs
> >
> >
> >C1-Default#
> >
> >_______________________________________________
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>
>
>
>
>Tim Stevenson, tstevens at cisco.com
>Routing & Switching CCIE #5561
>Distinguished Technical Marketing Engineer, Cisco Nexus 7000 Cisco -
><http://www.cisco.com>http://www.cisco.com IP Phone: 408-526-6759
>********************************************************
>The contents of this message may be *Cisco Confidential* and are intended
>for the specified recipients only.
>
>
>
>
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Tim Stevenson, tstevens at cisco.com
Routing & Switching CCIE #5561
Distinguished Technical Marketing Engineer, Cisco Nexus 7000
Cisco - http://www.cisco.com
IP Phone: 408-526-6759
********************************************************
The contents of this message may be *Cisco Confidential*
and are intended for the specified recipients only.