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Re: [lvs-users] load balancing queries to localhost:port?

To: lvs-users@xxxxxxxxxxxxxxxxxxxxxx
Subject: Re: [lvs-users] load balancing queries to localhost:port?
From: John Lash <jlash@xxxxxxxxxxxxx>
Date: Sun, 19 Sep 2010 11:50:52 -0500
Take a look at this link and see if it help. I found it to be pretty useful.

http://www.austintek.com/LVS/LVS-HOWTO/HOWTO/LVS-HOWTO.localnode.html

--john


On Sun, 19 Sep 2010 16:59:44 +0200
Tomasz Chmielewski <mangoo@xxxxxxxx> wrote:

> Is it possible to load balance queries to localhost?
> 
> Say, I have two servers - I'd like them to be both directors and realservers.
> 
> 
> Application connecting to localhost:1111 should be connected to either one or 
> the other server. Despite many tries, I'm not able to achieve this.
> 
> I had partial success with LVS-NAT rules:
> 
> -A -t 127.0.0.1:1111 -s lc
> -a -t 127.0.0.1:1111 -r 10.0.0.10:1111 -m -w 1 # same server as localhost, 
> works
> -a -t 127.0.0.1:1111 -r 10.0.0.20:1111 -m -w 1 # remote server
> 
> 
> Where the remote realserver receives the packet:
> 
> 16:54:18.078365 IP (tos 0x10, ttl 64, id 52411, offset 0, flags [DF], proto 
> TCP (6), length 60) 127.0.0.1.50427 > 10.0.0.20.1111: S, cksum 0xc03d 
> (correct), 1282046761:1282046761(0) win 32792 <mss 16396,sackOK,timestamp 
> 178066 0,nop,wscale 7>
> 
> 
> But I guess it's confused about what to do with it, since it appears to come 
> from 127.0.0.1.
> 
> -- 
> Tomasz Chmielewski
> http://wpkg.org
> 
> _______________________________________________
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> 
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