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I am having a problem sending ICMP packet through 3COM Router to a HP-Unix computer.

Posted on 2011-02-18
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Last Modified: 2012-05-11
I have 2 networks setup:
10.10.20.0/23
10.10.22.0/23
There is a 3Com MSR 30-40 router between the two networks.

The HP-Unix computer is currently on the 10.10.22.0 network with an IP address of 10.10.22.202.

I am able to successfully ping the HP-Unix computer from any computer that is located on the 10.10.22.0 network.

I am able to successfully ping the HP-Unix computer while I am connected to the router through telnet.

I am able to successfully ping other windows computers on the 10.10.22.0 network from the 10.10.20.0 network.

There are no Access Lists setup on the router and the firewall is off.

Tracert command shows that it is connecting to the gateway address on the router and then times out.

The 10.10.22.202 address is in the Arp table on the router.
I have tried rebooting the HP-Unix computer and rebooting the router.
I have changed ports on the switch.
I changed the IP address on the HP-Unix computer with no change.
I am not sure why I can ping the HP-Unix computer from any computer on the 10.10.22.0 network, but I am not able to ping it from the 10.10.20.0 Network.

Does anyone have any suggestions?
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Question by:cciitadmin
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Accepted Solution

by:
jfrady earned 2000 total points
ID: 34929470
Incorrect default gateway on the HP-UX box
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Author Closing Comment

by:cciitadmin
ID: 34930511
Thank you for pointing me in the right direction. The default gateway was showing correctly with the netstat -rvn command, but was incorrect in the netconf configuration file. I edited the configuration file and rebooted. Computer is now replying to ping requests from the 10.10.20.0 network.
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