Routing Help

From: Rohit Peyyeti
Date: Tue Aug 01 2006 - 03:27:49 EST

Network Gurus:

I am trying to solve this routing problem for quite some time and was looking for some possible solutions to tackle this issue.

I am running nagios to monitor my servers, routers etc. I am facing a particular problem in reaching a remote router from my LAN.

I have a linux machine running fedora core 3 with the IP address of and subnet of and gateway of This machine and the gateway are on the same LAN. I have a router with the IP and subnet of

Router's LAN port is connected to my local cisco switch. Router's WAN port is connected to our ISP who provides us IP-VPN services.

I am trying to 'ping' a router with the IP (71.13.33.x) which is on a IP-VPN from my linux box ( I was unsuccessful in reaching this router from my machine. These are few things which I have tried but without success:

1) Added static route using this command "route add -host 71.13.33.x gw"
2) Added another static route "route add -net netmask gw"

I am able to reach that router when I try to ping that router from router at my end (! There is a static route defined in the router which enables traffic to go in & out of the router.

I want to setup nagios check_ping service to monitor remote router. Please let me know if you have any ideas / solutions for my problem. Also, do let me know if you need any additional details.

Thanks a lot!

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