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Re: Cisco routers dynamic ARP caching

To: lvs-users@xxxxxxxxxxxxxxxxxxxxxx
Subject: Re: Cisco routers dynamic ARP caching
From: Greg Woods <woods@xxxxxxxx>
Date: 02 Aug 2002 14:10:47 -0600
On Fri, 2002-08-02 at 13:44, Joseph Mack wrote:

>  The packet is delivered to the VIP and the realserver generates a reply
> from the VIP, so client-semantics is preserved. The reply packet has the
> MAC of the NIC which has the RIP. 

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.

--Greg
 



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