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Re: Horms' method of solving the arp problem for VS-DR

To: Joseph Mack <mack@xxxxxxxxxxx>
Subject: Re: Horms' method of solving the arp problem for VS-DR
Cc: lvs-users@xxxxxxxxxxxxxxxxxxxxxx, Horms <horms@xxxxxxxxxxxx>, Lars Marowsky-Bree <lmb@xxxxxxxxx>, tc lewis <tim@xxxxxxxxxx>
From: Jerry Glomph Black <black@xxxxxxxx>
Date: Thu, 2 Dec 1999 22:35:43 -0800 (PST)
As a "Real" life update:

The revival of Horms' posting, which I overlooked a month ago, was
a lifesaver for us.

We had a monster load distribution problem, and spread 4 virtual IP
numbers across 10 'real' boxes (running Roxen, a fantastic web platform).

The ipchains-REDIRECT feature works perfectly, without any of that arp
aggravation!   A PII_450 held up just fine at 20 megabits/s of HTTP -REQUEST-
TRAFFIC!

Kudos to Wensong, Horms and the rest of the LVS contributors!  And thanks!

Jerry Glomph Black
Director, Internet & Technical Operations
RealNetworks
Seattle, Washington USA



On Thu, 2 Dec 1999, Joseph Mack wrote:

> On 4 Nov, Horm's posted a message about using ipchains to reprocess
> packets which arrive on a realserver addressed to the VIP by redirecting
> them to the local device. Except for a comment by Lars, Horms' posting lay
> dormant till tc lewis brought the subject up again on 1 Dec.
> 
> Enclosed is a script to run on realservers to setup Horms' method (I've
> tested it on my 2 realserver LVS). I'll put this info into the HOWTO
> and the configure script when I get back from vacation (early Jan 1900).
> 
> Joe
> --
> Joseph Mack mack@xxxxxxxxxxx
> 


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