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Re: extreme latency in LAN pings, ssh, etc
From: Spruell, Darren-Perot (Darren.Spruell
chw.edu)
Date: Mon May 01 2006 - 14:22:17 CDT
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From: owner-miscopenbsd.org
> Just today, however, I noticed huge latencies when I try to ssh to
> another computer on the LAN. Previously, I was connect an instant
> after pressing return. Now it takes several seconds before the
> connection is made.
Can you verify for sure that your DNS is working properly? Is reverse DNS
configured and working right?
> Likewise, even ping'ing other machines on the LAN takes 5--10
> seconds before I see any response. When the replies do start coming
> back, they are on the order of fractions of milliseconds.
I'd also verify no issues with duplicate IPs or speed/duplex mismatches.
A few strategic packet traces during problem scenarios should greatly assist
you in debugging this.
DS
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