RE: Route table problem

  • From: "Joe Aldeguer" <jaldeguer@xxxxxxxxxx>
  • To: "'[ISAserver.org Discussion List]'" <isalist@xxxxxxxxxxxxx>
  • Date: Mon, 26 Nov 2001 12:05:58 -0500

I remember having this error message pop up it the past the errors
went away after I left the default gateway setting empty for the
internal nic of ISA.  Its on Tom Shinder's excellent book!

Joe


-----Original Message-----
From: John Burridge [mailto:JBurridge@xxxxxxxxx]
Sent: Monday, November 26, 2001 11:21 AM
To: [ISAserver.org Discussion List]
Subject: [isalist] Route table problem


http://www.ISAserver.org


I am running two firewalls in an array, and am getting the following
message
from my 2nd firewall

The ISA Server services cannot create a packet filter x.x.x.x. This event
occurs when there is a conflict between the Local Address Table (LAT)
configuration and the Windows 2000 routing table. Check the routing table
and the LAT to find the source of the conflict.

When I check the routing table of the firewall reporting the error, I get
the route 255.255.255.255 255.255.255.255 x.x.x.x x.x.x.x, where the x's
are
my external IP address. The firewall that is working fine lists the x's as
my internal interface NIC. When I try to delete this route, and recreate
it,
it returns an error "bad destination addresss 255.255.255.255"

How can I sort this problem out?

J.

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