win XP ICS troubleshooting

July 9, 2009 at 01:44:41
Specs: Windows XP
Hello All,

I dont have much experience in networking hope some one can help me with this.

I am in a school network with ip address 166.X.X.X. My XP PC is connected to the network i have an ip of 166.X.X.X. ( i will name my PC as 'PC A'). For a specific project we purchased a win NT 4.0 workstation PC ( i will call this PC 'PC B') and wanted to connect to our network 166.X.X.X so we decided to do a ICS ( internet connection sharing) with my PC A which is in XP everything went well and the PC B was assigned a ip of 192.168.X.X we are able to surf network with both PC A & PC B . but when we want to share files to PC B from my friends PC whos is in the network with ip 166.X.X.X the PC B does not shows! also when we ping the ip of PC B '192.X.X.X' from our ip 166.X.X.X there is no responce but i am able to share files from PC A and also able to ping from PC A.

Is this a limitation in ICS that the client PC will not be shown outside the internal network? any solution to solve this is much appreciated I was suggested that i need to use a dual LAN server if i need to see the clients outside the internal networks...

The reason for me to ping is i need to send some packets to this PC B and wants its response to this.

Thanks, sorry for long description!

See More: win XP ICS troubleshooting

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July 9, 2009 at 07:51:41
Ok..Configure PC A's IP as your friend PC's gateway IP, then test to ping that PC B again.

If this PC B works well as router, then you should be able to ping this PC B from friend PC. Also make sure no firewall blocking on PC A and B.

Home Network and Wireless Network Help

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July 9, 2009 at 08:02:37
Thanks for your reply, may be there is some mis understanding i am showing the network structure here reffering the picture i am saying that i can't ping PC 1a from PC 2,3,4 and 5. I can ping PC 1a from PC 1 and visa versa

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July 9, 2009 at 08:30:14
disable the host pcs firewall. No firewall native to NT so I would suspect the xp software firewall is blocking ping.

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