From: Webpro (aielloster@gmail.com)
Date: Tue Sep 28 2004 - 12:06:39 EDT
I have a server configuration where a pair or servers are connected
via a x-over cable. They are connected to one or more LANs via other
interfaces. The private x-cover connection uses addresses in the
reserved ranges. Servers A and B are directly connected and servers D
and E are directly connected. e.g.
Server A Server B
Public: 210.210.210.21 Public: 210.210.210.22
10.10.210.21 Xover 10.10.210.22
Server D Server E
Public: 210.210.210.23 Public: 210.210.210.24
10.10.210.21 Xover 10.10.210.22
We often see when server B x-over sends and ARP for 10.10.210.21, it
is sent out the public interface. Server D responds with it's private
interface MAC address (for its 10.10.210.21 IP address). Server A
updates its local ARP table with the MAC from server D. vital
communications between Server A and B over this x-over connection are
disrupted.
I am not running ip forwarding or routed.
I need to ensure the Solaris does not forward the ARP from the private
link to the public interface. I am not sure why it would since it is
locally connected and permanent.
Thanks,
Joe
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