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Bizarre problem

To: lvs-users@xxxxxxxxxxxxxxxxxxxxxx
Subject: Bizarre problem
From: John Oliver <joliver@xxxxxxxxxxxxxxx>
Date: Fri, 26 May 2006 10:32:56 -0700
OK, I have LVS-DR set up.  From another host on the same subnet as the
director, I can connect to port 80 of the VIP with telnet and see a
response from one realserver, then the other.  All is well, right?
Wrong!  From browsers, I always get a response from one realserver.
Shift-reloads do not make it change.  No, there is no proxy server,
Squid, cache, etc.

I'm looking for a log file or something that shows what IPVS is doing in
realtime to help troubleshoot this.  Just running ipvsadm isn't
helping... it always shows:

[root@quark ~]# ipvsadm
IP Virtual Server version 1.2.1 (size=4096)
Prot LocalAddress:Port Scheduler Flags
  -> RemoteAddress:Port           Forward Weight ActiveConn InActConn
TCP  192.168.101.82:http rr
  -> 192.168.101.81:http          Route   1      0          0
  -> 192.168.101.80:http          Route   1      0          0

I installed telnetd on both realservers and configured LVS to do that,
and it works perfectly.  I'm really stumped here... all indications are
that LVS is working correctly, but I always get a response from one
realserver when trying a test web page.  What can I do to figure this
out?

-- 
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* John Oliver                             http://www.john-oliver.net/ *
*                                                                     *
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