Hi all, I have a windows xp server , on which few routers have been simulated, i am able to ping to the simulated routers from that PC. Now, I want to access the same simulated IPs from another PC on the same sub net. Hence , I have added the appropriate route into the second PC , like "route add <simulated IP> mask 255.255.255.255 <IP of 1st PC, where simualted routers are installed>".But , I am not able to ping/telnet to the simulated IPs.

You maybe using the XP box to share files but it's really not a server, since there is no Active Directory running. In any event. your subnet mask is wrong. It should be 255.255.255.0 Also, what is a simulated router and what are simulated IPs?

Additonally you would also not add a route to a pc in the same subnet. Imagine the power of knowing how to internet search http://www.lib.berkeley.edu/Teachin...

Hi all , Thanks a lot, for your replies , the add route was actually a example, the real command run was : add route 192.168.0.0 mask 255.255.0.0 64.104.147.224 The IP of the PC where simulation is installed is 64.104.147.224 , and the simulated IPs range from 192.168.100.200 to 192.168.100.209 Also, can not a windows XP m/c be used as a server ?

>> Also, can not a windows XP m/c be used as a server ? << No. Although you may erroneously call it a server. Windows XP can either operate as a peer on a Peer to Peer network or as a client on a client/server network, but not as a server itself. Just because you are using to to share files with other computers on a peer to peer network doesn't make it a server. To operate a server and all that entails you need a Sever Operating System like Windows 2003 Server or a server version of Linux or Novel Network Server. Windows XP is not a Server Operating System. Stuart

I still don't understand your network and I still don't understand why you would need a routing table, especially with a class B subnet and a class B subnet mask. Not only that, why would the PC have an external IP address if it's behind a router?

Thank you all for your responses.. To answer few questions >>I still don't understand your network and I still don't understand why you would need a routing table I need a routing table,because my simulated IPs are not real devices,they are just router instances (i.e. programs) running on the host machine (The host machine is a real PC with a IP address,the simulated IPs are only programs running on it).Now , to be able to ping/telnet to the simulated IPs from another machine on the same sub net ,I would need to add a route entry in the other m/c, which says like "if u want to get to any of the simulated IPs, please use the host m/c as a gateway".And I am using the phrase "same subnet",as route addition fails, if the gateway, is not on the same subnet as the other m/c. Actually , I have known ppl to have done the similar kind of thing,for, accessing simulated devices running on solaris.