(no subject)

From: Mohammad Mousa <mohd-mousa_at_hotmail.com>
Date: Thu, 5 Jul 2012 15:01:45 +0000

Hi Marko, I did a trace, it showed that the packet received to R4 and stoped there, but if you ping from fa0/0's of R4 to R2's loopbackthe ping is fine.(by the way the topology is from ipexpert WB2 Vol2) Thanks alot
> CC: ccielab_at_groupstudy.com
> From: markom_at_ipexpert.com
> Subject: Re:
> Date: Thu, 5 Jul 2012 12:44:28 +0000
> To: mohd-mousa_at_hotmail.com
>
> TTL expired is a fairly good indicator of a loop. Do a traceroute.
>
> --
> Marko Milivojevic - CCIE #18427
>
> :: This message was sent from a mobile device. I apologize for errors and brevity. ::
>
> On Jul 5, 2012, at 12:03, <mohd-mousa_at_hotmail.com> wrote:
>
> > Hi Folks.
> >
> > I have strange behaivor while I was labbing today,when i tried to ping
> > from R2 lo0 to router R4 fas0/0 ( there is multiple redis between them )
> > the ping doesn't happen, but when i did the ping from f0/0 of R4 to R2 lo0
> > the pinging was fine..
> >
> >
> > I tried to trace and debug ip icmp, the result showed that R4 received the
> > packet and stopped there,
> >
> > This is the output :
> >
> > ICMP: time exceeded (time to live) sent to 10.10.10.5 (dest was 10.10.10.6)
> > time exceeded (time to live) sent to 10.10.10.5 (dest was 10.10.10.6)
> > time exceeded (time to live) sent to 10.10.10.2 (dest was 216.100.1.6)
> > ICMP: time exceeded (time to live) sent to 10.10.10.2 (dest was 216.100.1.6)
> > ICMP: time exceeded (time to live) sent to 10.10.10.4 (dest was 10.10.10.6)
> > ICMP: time exceeded (time to live) sent to 10.10.10.2 (dest was 216.30.100.5)
> > ICMP: time exceeded (time to live) sent to 10.10.10.2 (dest was 216.30.100.5)
> > ICMP: time exceeded (time to live) sent to 10.10.10.2 (dest was 216.30.100.5)
> >
> > Guys,my console was hangging from the output, could any one tell me
> > whats the meaning of this output ?
> >
> > could this relate to routing loops, i turned debug ip routing but didn't see
> > route flapping ?
> >
> >
> > I made multiple redistribution but not on this router!!!
> > any additional configration will be happy to provide, but i don't want to make
> > my post long and boring.
> >
> >
> >
> > Thanks in advance.
> >
> >
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Received on Thu Jul 05 2012 - 15:01:45 ART

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