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Re: Cisco routers dynamic ARP caching

To: lvs-users@xxxxxxxxxxxxxxxxxxxxxx
Subject: Re: Cisco routers dynamic ARP caching
From: Joseph Mack <mack.joseph@xxxxxxx>
Date: Fri, 02 Aug 2002 15:44:19 -0400
Greg Woods wrote:
> The real server would then send packets
> back directly to the client, without going through the director.

yes

> If what you say above is true, that would mean the client sends a packet
> to the VIP, but gets a response back from a real server's RIP instead.

no. 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. 

Joe

-- 
Joseph Mack PhD, Senior Systems Engineer, Lockheed Martin
contractor to the National Environmental Supercomputer Center, 
mailto:mack.joseph@xxxxxxx ph# 919-541-0007, RTP, NC, USA


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