RE: IPSEC (Nortel Client behind V4.05 BEHIND NAT)

  • From: "Greg Foulks" <greg.foulks@xxxxxxxx>
  • To: "[ISAserver.org Discussion List]" <isalist@xxxxxxxxxxxxx>
  • Date: Mon, 8 Apr 2002 14:16:25 -0400

You'll need to upgrade to 4_15.03 client and load the latest version 4 software 
on the switch.

Then you'll need to configure "split tunneling" and "nat traversal" on the 
switch. The Nortel doc's are well written with
instructions on doing this.

Keep in mind that the port your decided to use for "nat traversal" on the 
switch must be opened on the ISA for you to connect. This
could explain why you can authenticate but can't communicate.


Greg


-----Original Message-----
From: Scott Sandeman [mailto:sandeman@xxxxxxxxxxxxxxxxxxxxx]
Sent: Monday, April 08, 2002 2:07 PM
To: [ISAserver.org Discussion List]
Subject: [isalist] IPSEC (Nortel Client behind V4.05 BEHIND NAT)


http://www.ISAserver.org


Hello all

    I have been a member of this list for a while and it has proven
informative. Though this question is not directly associated with ISA, I
thought that there was no better list to post this question.

Now that the buttering up is done.. Here we go.

I have a small client that uses the Nortel VPN Client against a Nortel
Contivity  1500 "switch". The client tests many platforms from home and use
WinRoute Pro v4.1 at each employee's home to enable them to connect to the
internet from several machines at once. They would like to be able to
connect to the Contivty from behind a NAT from each Home Office.

Do you have any suggestions. WinroutePro is capable of  Packet filtering and
port mappings to specific internal IP's.

Currently I am able to connect to the "server" and get an IP assigned to the
client though I can transmit no traffic to the server after authentication.

Any ideas..

Cheers
Scott

-- Scott Sandeman
Operations Manager
Northern Media Solutions
sandeman@xxxxxxxxxxxxxxxxxxxx






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