[c-nsp] debugging all incoming traffic on an interface

[Rodney Dunn]

Might this help if you get on 12.4(20)T:

http://supportwiki.cisco.com/ViewWiki/index.php/Tech_Insights:Utilizing_the_New_Packet_Capture_Feature

 

On Tue, Sep 23, 2008 at 10:42:00AM -0400, Jason Lixfeld wrote:
> I have.  There are no interface conditions on either of those debug  
> [ip] packet commands.  Also, debug interface doesn't allow me the  
> option of my ATM interface(s).
> 
> On 23-Sep-08, at 9:03 AM, Ozgur Guler wrote:
> 
> >
> >Have you tried using
> >debug ip packet or
> >debug packet with
> >debug condition interface?
> >
> >
> >
> >--- On Mon, 22/9/08, Jason Lixfeld <jason at lixfeld.ca> wrote:
> >From: Jason Lixfeld <jason at lixfeld.ca>
> >Subject: [c-nsp] debugging all incoming traffic on an interface
> >To: cisco-nsp at puck.nether.net
> >Date: Monday, 22 September, 2008, 11:52 PM
> >
> >I'm trying to give a local ILEC an idea on where to look to
> >troubleshoot an issue on a bridged DSL circuit.  It terminates
> >directly onto a WIC-1ADSL interface in a 2651 on the one side and a
> >VLAN on the other side.  Can't pass traffic over it, but the inbound
> >packet counters are incrementing on the 2651 side, however I have no
> >idea what kind of
> > traffic is actually hitting the interface, nor do I
> >know what the source or destination of the traffic is.
> >
> >My question in all of this is what's the best way to see all the
> >traffic coming into this interface?  Attaching a access-list 100
> >permit ip any any log-input to the interface and/or subinterface via
> >ip access-group didn't show anything - the interface counters
> >incremented while the access-list counter didn't.  I can't debug the
> >ATM (sub)interface, nor can I configure a SPAN port on an ATM
> >(sub)interface.
> >
> >Anyone know how I might go about this?  I suppose in a worst case
> >scenario, I could hook up a DSL modem to the line and plug that into a
> >wireshark box, but I'm hoping there's a more localized solution.
> >
> >Thanks in advance.
> >_______________________________________________
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> > cisco-nsp at puck.nether.net
> >https://puck.nether.net/mailman/listinfo/cisco-nsp
> >archive at http://puck.nether.net/pipermail/cisco-nsp/
> >
> 


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