2. Two systems can reach other systems, but can not reach each other. Why?

From: Melissa Young (thesunlover2002@yahoo.com)
Date: Wed May 18 2005 - 15:44:23 EDT


Here is some more info:
1)Pinging IPs can not get answers from each other.
2)Their IPs have never been changed.
3)They could reach each other until I found the
problem today.
4)ifconfig outputs look normal. No mac address
conflict that is possible for Sun systems.
5)Each of them can reach others and others can reach
them.
6)It is not a DNS issus since I ping by IPs.

It's just bizarre.
Thanks a lot everyone, but keep going please :)

 
--- Melissa Young <thesunlover2002@yahoo.com> wrote:
Hi,
I have a strange problem here: there are 2 systems in
a specific subnet. Both of them are SPARC 20 running
Solaris 2.6 :(
 
Each of them can reach any other system in this
subnet and other subnets.
They could reach each other 2~3 weeks ago. Nothing
has been changed since then.
 
The problem: They can NOT reach each other now.
Pinging or Snooping on one system can not be
received from the other system.
 
What can be the problem? I don't have any clue
now. Please help. Thank you!
 
Melissa Young
UNIX System Admin

                
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