From: Thomas Leitner (tom@radar.tugraz.at)
Date: Tue Dec 14 2004 - 05:12:29 EST
Hi,
I need to connect a development machine (DS20E, running Tru64 4.0G)
called AMANDEV to a test machine called DIFSVRW1 which has its IP
address in a different network. So I've used "ifconfig -alias" to give
AMANDEV an IP in the same network as DIFSVRW1.
The problem is:
1.) I can ping AMANDEV from DIFSVRW1 and vice versa: This is OK
2.) I can telnet from DIFSVRW1 to AMANDEV: This is OK
3.) HOWEVER: I cannot telnet from AMANDEV to DIVSVRW1. This is *NOT OK*
and this is exactly what we need.
Using an Ethernet sniffer we found out that for case 3) above,
the AMANDEV machine does not use the ALIASED IP address as the
source address. It rather uses the main IP address assiged to the
interface. This is the reason why DIFSVRW1 cannot answer to the
telnet packets.
So this seems to be a bug in Tru64 4.0G (we're using the latest
patch kit already) that outbound TCP/IP calls to a network
over an aliased IP address does not get the proper source IP
address assigned.
Any ideas anyone how to solve that?
Thanks // Tom
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