Ping & extended Ping

Unanswered Question
Jun 8th, 2007

I did nt get a reply for the Ping command used on a router (destination was another PC on a different network connected over the serial interface), but when i used the extended ping using the LAN interface IP as the souce IP, the extended Ping command worked for the same destination adress? What could be the reason?

I have this problem too.
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Manoj Wadhwa Fri, 06/08/2007 - 20:39

The normal ping command uses the outgoing interface of the router as the source address. Make sure the the destination router has a reverse route for outgoing interface of the source router. Thanks!

- Manoj

mohammedmahmoud Sat, 06/09/2007 - 01:25

Hi,

Agree with Manoj, this is most probably due to the LAN IPs of this site has a return route, but the WAN IPs (which are used as the source of the echo request) doesn't have a return route, make sure that the PC has a correct default gateway and if this is not a leased point-to-point connection between the 2 sites (may be an MPLS VPN) make sure that the provider has routed your LAN and WAN IPs correctly.

HTH, please do rate all helpful replies,

Mohammed Mahmoud.

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