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slow network on RHEL5

A

amheck

Golden Member
hey guys,

We have two Sun x2100 servers running RHEL5 in a test environment. Both servers are fresh OS installs and hooked up to the same network switch.

When ssh'ing to one server, there is a significant delay, while ssh'ing to the other server, the connection is almost instant. We are also having trouble getting some authentication test code to work correctly and believe it might be the cause of this delay.

On the "slow" server, I have replaced the cable, changed switch ports and ethernet ports on the server, but the delay is still there. Both servers are set to full duplex.

Just wondering if you guys could give me some other avenues to check. I'm guessing there's some configuration differences between server A and server B, but I'm not exactly sure what to look for.

Thanks in advance,
Aaron
 
It was affecting our authentication test code also, not only ssh. But good call on the DNS. I also posted on unix.com and someone suggested to check resolv.conf and that had a dummy "nameserver 10.10.10.1" entry. Once I removed it, things are back to normal.
 
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