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RE: Multiple services

To: <lvs-users@xxxxxxxxxxxxxxxxxxxxxx>
Subject: RE: Multiple services
From: "Brett Simpson" <Simpsonb@xxxxxxxxxxxxxxxxxxxxxx>
Date: Wed, 17 Oct 2001 17:14:11 -0400
I can get the tcpdumps Thursday. Here's a breakdown on what I see so far.

Client sends a dns request to eth0:0 207.156.7.23:53 (Director) then it goes to 
the real server 207.156.7.21:53.

Client sends an smtp message to eth0:1 207.156.7.33:25 (Director) then instead 
of it being forwared to the real server 207.156.7.21:25  the director 
207.156.7.33 recieves the mail request. I know this because I check the maillog 
on the director. When I remove 207.156.7.23:53 via IPVSADM then the director 
forwards the request to 207.156.7.21:25.


IP Virtual Server version 0.9.4 (size=4096)
Prot LocalAddress:Port Scheduler Flags
  -> RemoteAddress:Port           Forward Weight ActiveConn InActConn
TCP  207.156.7.23:53 rr
  -> 207.156.7.21:53              Route   1      0          0         
UDP  207.156.7.23:53 rr
  -> 207.156.7.21:53              Route   1      0          0         
TCP  207.156.7.33:25 rr
  -> 207.156.7.21:25              Route   1      0          0         

Brett Simpson
Internet Administrator for Hillsborough County
(813) 301-7144
simpsonb@xxxxxxxxxxxxxxxxxxxxxx

>>> pmueller@xxxxxxxxxxxx 10/17/01 03:40PM >>>
> Hello, I'm trying do some simple load balancing with Direct 
> route across several servers. I have two servers running 
> seconday dns and sendmail . And two servers running HTTP. The 
> problem I'm having is only the first service (207.156.7.23) 
> works while the others (207.156.7.33 and 207.156.7.43) don't 
> work. If I remove the 207.156.7.23 entries then 
> 207.156.7.33:25 works fine. Thanks.

'don't work' ?  what actually happens?  tcpdumps (does request appear on the
application servers, etc) would be good..

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