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Re: CVS 1.11 is now available


From: Cameron, Steve
Subject: Re: CVS 1.11 is now available
Date: Fri, 22 Sep 2000 08:26:26 -0500

Greg Woods wrote:
> $ /sbin/ping -v -D -s 1373 208.184.89.19   
> PING apache.openave.net (208.184.89.19): 1373 data bytes ^?
----apache.openave.net PING Statistics---- 
> 6 packets transmitted, 0 packets received, 100.0% packet loss 
>
>
> $ /sbin/ping -v -s 1373 208.184.89.19      
> PING apache.openave.net (208.184.89.19): 1373 data bytes ^?
----apache.openave.net PING Statistics---- 
> 4 packets transmitted, 0 packets received, 100.0% packet loss 

I once saw a problem _very_ similar to this, years ago... it turned out to
be an
old DEC FDDI <-> ethernet bridge that didn't handle MTU discovery
correctly.  The symptom I got was, via NFS, from the ethernet
side of the bridge I could cat a file 1372 bytes but not one that
was 1373 bytes. (the numbers might not be exact, my memory's
not that good, but they were right around there, very close.)

We ended up down-tuning the MTU on the FDDI side to only transmit
packets that were small enough so as not to blow the mind of the bridge.
(Don't remember the specifics, not that they'd apply anyway.)

Sounds like you might be having a similar problem somewhere along 
the way.

-- steve


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