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Re: Cisco routers dynamic ARP caching

To: lvs-users@xxxxxxxxxxxxxxxxxxxxxx
Subject: Re: Cisco routers dynamic ARP caching
Cc: Greg Woods <woods@xxxxxxxx>
From: "Paul P. Pongco" <paulp@xxxxxxxxxx>
Date: 05 Aug 2002 19:38:23 +0800
On Mon, 2002-08-05 at 16:16, Martijn Klingens wrote:
> On Friday 02 August 2002 22:10, Greg Woods wrote:
> > OK, that's what I thought. So that means that if the router is doing
> > dynamic ARP caching, then the director's ARP entry for the VIP will get
> > overwritten with the real server's MAC. Dynamic ARP caching, if in fact
> > this is what the router is doing, will break LVS DR.
you can try putting a static arp entry on the cisco router for the VIP
(im using DR and this solved the problem for me, the realserver's MAC
was being stored instead of the director's).
here's the syntax:

arp a.b.c.d 00a0.c983.3ab8 ARPA


where a.b.c.d = VIP

hope this helps.

-- 
Cheers,

Paul P. Pongco                                  
Mosaic Communications Inc.      

  



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