From: Matthew Poole (matthew.poole@blueyonder.co.uk)
Date: Tue Jan 14 2003 - 16:04:11 GMT-3
For a variation on Joe Changs post you could add detail to the debug, this
will show your ICMP going out.
R9#ping 10.1.1.1
Sending 5, 100-byte ICMP Echos to 10.1.1.1, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 28/30/32 ms
R9#
4d08h: IP: s=10.1.1.2 (local), d=10.1.1.1 (Serial0), len 100, sending
4d08h: ICMP type=8, code=0
4d08h: IP: s=10.1.1.1 (Serial0), d=10.1.1.2 (Serial0), len 100, rcvd 3
4d08h: ICMP type=0, code=0
4d08h: IP: s=10.1.1.2 (local), d=10.1.1.1 (Serial0), len 100, sending
4d08h: ICMP type=8, code=0
4d08h: IP: s=10.1.1.1 (Serial0), d=10.1.1.2 (Serial0), len 100, rcvd 3
4d08h: ICMP type=0, code=0
4d08h: IP: s=10.1.1.2 (local), d=10.1.1.1 (Serial0), len 100, sending
4d08h: ICMP type=8, code=0
----- Original Message -----
From: "Joe Chang" <changjoe@earthlink.net>
To: <ccielab@groupstudy.com>
Sent: Thursday, January 09, 2003 3:20 AM
Subject: Re: lack of output in debug ip icmp
> To debug outgoing ip packets you could try this:
>
> access-list 100 permit icmp any any
> debug ip packet 100
>
>
> ----- Original Message -----
> From: "Joe" <groupstudy@comcast.net>
> To: "'tan'" <tan@dia.janis.or.jp>; "'Ccielab (E-mail)'"
> <ccielab@groupstudy.com>
> Sent: Wednesday, January 08, 2003 11:27 PM
> Subject: RE: lack of output in debug ip icmp
>
>
> > Sometimes you gotta disable fast switching.
> >
> > -----Original Message-----
> > From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
> > tan
> > Sent: Wednesday, January 08, 2003 5:39 AM
> > To: Ccielab (E-mail)
> > Subject: OT: lack of output in debug ip icmp
> >
> >
> > Is it normal that typical outgoing pings are not output to console under
> > "debug ip icmp"? Only return pings and other icmp types are included,
> > but not standard echo request. I have been bit a few times just assuming
> > my ping went out and was troubleshooting the return path, when it turned
> > out it never left the router because unroutable. I have found only
> > "debug ip pack det" will include outgoing ping? I know not much can be
> > done about it, but anyone else find it odd or offer an explanation why?
> > .
> .
.
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