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Unable to connect to a Cisco VPN using SLED 10

This document (3624897) is provided subject to the disclaimer at the end of this document.

Environment

SUSE Linux Enterprise Desktop 10

Situation

Issue
Failure to connect to a Cisco VPN when using NetworkManager or vpnc on SUSE Linux Enterprise Desktop 10.

Troubleshooting
While trying to connect to a Cisco VPN using the terminal application (vpnc) the following error is received:
vpnc: binding to port 500: Address already in use

Cause
During the installation of SLED 10 there is an option to install extra software. If the Novell Applications section was selected then it installs a package for connecting to Nortel VPN networks. The package is called turnpike. This package creates a service called racoon which listens on port 500. This causes a conflict since the Cisco VPN is also trying to use port 500.

Resolution

Workaround
  1. A quick and easy test to see if this is your issue is to first see if you have the racoon service listening on port 500. This can be done by opening a terminal and typing the following command:

    lsof -i :500

  2. If you receive a line back similar to the one listed below then you know that the racoon service is listening on that port.

    racoon  4998 root    9u  IPv4  24969       UDP localhost:isakmp

  3. One easy test is to simply kill the process and then see if you can connect to the vpn.

    pkill racoon

  4. A more permanent workaround is to remove the turnpike package. This can be done by going into Yast, Software, Software Management and doing a search for turnpike. Once it is found, click on the check box twice to change it to a trash can. Then click Next and it will remove the package.

Status

Reported to Engineering

Disclaimer

This Support Knowledgebase provides a valuable tool for NetIQ/Novell/SUSE customers and parties interested in our products and solutions to acquire information, ideas and learn from one another. Materials are provided for informational, personal or non-commercial use within your organization and are presented "AS IS" WITHOUT WARRANTY OF ANY KIND.

  • Document ID:3624897
  • Creation Date:03-APR-07
  • Modified Date:26-APR-12
    • SUSESUSE Linux Enterprise Desktop

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