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Re: lvs NAT state tables

To: "LinuxVirtualServer.org users mailing list." <lvs-users@xxxxxxxxxxxxxxxxxxxxxx>
Subject: Re: lvs NAT state tables
From: Horms <horms@xxxxxxxxxxxx>
Date: Thu, 17 Apr 2003 12:19:13 +0900
On Wed, Apr 16, 2003 at 01:01:32PM -0700, Fong Vang wrote:
> I'm having a difficult time figuring out why packets are being dropped at
> the load balancer for sessions that have no packets going through it.
> Basically, the client (browsers) requests a such that could take up to 30
> minutes to return.  If it returns in less than 15 minutes, everything is
> okay.  Anything longer and the return packets (according to traffic
> sniffing) would be dropped at the load balancer.
> 
> We're using ipvsadm v1.21 with IPVS v1.0.6.  We're using IPVS in NAT mode.
> 
> After issueing a request from the browser, ipvsadm -Lnc set the expire time
> to 15 minutes and then starts the count down.  Could this be what's causing
> the problem?  If so, how do I change this?

Yes, that is almost certainly the problem.
You can change these timeouts by modifying the LVS source
and recompiling the code.


-- 
Horms
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