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Re: LVS-NAT only permitting first few connections

To: lvs-users@xxxxxxxxxxxxxxxxxxxxxx
Subject: Re: LVS-NAT only permitting first few connections
Cc: Bryan <bryan@xxxxxxxxxxxx>
From: Joseph Mack <mack@xxxxxxxxxxx>
Date: Sun, 3 Jun 2001 07:57:49 -0400 (EDT)
On Sun, 3 Jun 2001, Bryan wrote:

> Thanks, with your help I'm almost there. I managed to get two external ssh 
> accounts. from there, Lynx retrieves the pages fine and the round robin seems 
> to be working perfectly ( surprise! ).  What does not work and what I can't 
> verify in anything but a browser to my knowledge is the loading of images as 
> I previously mentioned. In http GUI clients ( I've tested with mozilla, 
> netscape and konqueror ) the additional connections to fetch images 
> eventually get dropped unexplicably.  Browsers do not seem to trigger exact 
> weighted round robin scheduling, but I presume I am observing the effects of 
> persistent connections... But that wouldn't explain why lynx clients 
> demonstrate true wrr and GUI ones don't !

lynx makes only HTTP 1.0 requests which aren't persistent in the netscape
sense.

> As for taking the LVS out of the setup, I can connect to the real servers 
> from inside my LAN and all the images load ( all connections are made ) 
> flawlessly.
> 
> I would like to point out again, that this problem does not exist in my https 
> cluster. I do no know why :(

the lvs works as expected for lynx/http and https. http works for a local
client. 

It sounds like something is stepping in and blocking access when the lvs
is forwarding http. Maybe there's something about the httpd on your setup.
What happens with a fresh install of apache displaying the index.html
page?

Joe
--
Joseph Mack mack@xxxxxxxxxxx



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