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06.28.2008 at 08:45AM PDT, ID: 23523978
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8.0

Cisco VPN Client across discontiguous network

Asked by stuknhawaii in IPSec Security Protocol, Network Routers, Virtual Private Networking (VPN)

Tags: , , ,

Here's the topology:
ISP --------------------> Cisco 2821 router -------------------------> Linux Shorewall --------------------> LAN
                76.191.16.44/24              76.191.55.1/24              76.191.55.2/24      192.168.1.1/24

Is there a way to terminate a Remote Access VPN (Cisco) to the 2821 router and then route the private IP's accross the connection to the Linux Shorewall and into the LAN? I ran across this yesterday and did the following:
1) setup NAT on the 2821 using the 76.191.55.2 as the overload IP (the 76.191.16.44 ip isn't owned by the client so I didn't use that IP). The NAT'ing was being done (show ip nat translations) but no traffic would return. We were unable to allow the Linux Shorewall to not NAT the VPN traffic.
2) I did setup routing on the router to route 192.168.1.0/24 to the Linux Shorewall, but I'm note sure if it was routing the data or not.

Has anyone ever seen this? I setup VPN's all the time, but it's always terminating into a device that's connected to the LAN (where the Linux Shorewall is located in this setup). The client doesn't want to use the Shorewall as a VPN endpoint because it's supposed to be "going away"! I've recommended replacing it with an ASA5510 and then the VPN problem would be solved. Anyone over done the VPN termination and then push the traffic across a discontiguous network????? Start Free Trial
 
Keywords: Cisco VPN Client across discontiguous …
Title
1 Cisco PIX  VPN and NAT
2 Cisco VPN Adapter
3 Cisco VPN Client, Linksys WAG54G…
4 Cisco VPN problem
5 Cisco SSL VPN - NAT problems
6 Cisco VPN client through PIX
 
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[+][-]06.28.2008 at 03:58PM PDT, ID: 21892290

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About this solution

Zones: IPSec Security Protocol, Network Routers, Virtual Private Networking (VPN)
Tags: Cisco, VPN, VPN Client, discontiguous network
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Solution Provided By: rowansmith
Participating Experts: 1
Solution Grade: A
 
 
[+][-]09.04.2008 at 07:57AM PDT, ID: 22388136

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[+][-]09.09.2008 at 07:51PM PDT, ID: 22434393

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