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Greg Woods:
> I have been told by our network guys here (and I hope to confirm this once
> I find a copy of the hidden patch) that Cisco routers use dynamic ARP
> caching. This means, the router will place an entry into its ARP cache
> any time it sees a particular MAC/IP address combination, without
> ever issuing an explicit ARP and receiving a response. This of course
> will break DR LVS's, since silencing ARP on the real server is no longer
> sufficient to keep it's MAC address out of the router's ARP cache.
This is not a problem because the realservers only gets incoming
connections to the VIP. All outgoing connections go through the
RIP. We have cisco routers and use DR without any problems.
I also think the hidden patch is included in some of the others
packages (I don't remember which).
--
Magnus Nordseth
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