OT ----- Not able to ping from Router

From: Jai Prakash (jpjsr06@gmail.com)
Date: Wed May 17 2006 - 03:03:44 ART


Hello Experts,

  There is very silly question .But, it is strange as well and I am facing
it First time in my life.

Scenario is like this:-

                                              LL
           ATM

  SW1 ----- (F0/0) R1 (S0) --------- (S0) R2 (F0/0) ------- SW2 --------
(F0/0) R3 (ATM0/1) -------- (ATM0/1) R4

It is very straight forward configuration on R1 with whole Network
connectivity. I made default route on R1 pointing

to Serial interface of R2. The problem is I can ping any IP across the
Network from SW1. But, when I try to ping

from R1 using any source interface (FE or Serial) , I am getting RTO. I can
ping FE and Serial Interface of R1 from

any router. Even, I can ping SW1 from any Router.

When I do the Trace route from R1, it is reaching up to Serial Interface of
R2 and after that it lost.

This is Production Network of one of my customer. So, I can't paste
configuration here and Excuse for that.

What could be the reason? Any help would be highly appreciated.

Best Regards,

Jai



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