The Cisco VPN client, vpnc, enables your Linux workstation to connect to a Cisco 3000 series VPN concentrator PIX firewall. Until vpnc existed, corporate employees were often relegated to connecting to their company's network via a Windows machine or with Cisco's problematic VPN client for Linux. Thankfully, those days are over, but not without slight configuration effort.
This tutorial explain how to install Cisco VPN client on ubuntu 11.10.On Ubuntu, you don’t need to install the Cisco VPN Client: NetworkManager includes support for Cisco IPSec VPNs.
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Centos only follow what Redhat do so Xen will continue to be supported on Centos 5 for as long as RH support it in RHEL. In Centos 6, if RHEL6 has no xen then Centos 6 will have no xen either. Redh... [by TrevorH]
I need to know how to establish VPN connection with Cisco VPN using vpnc on Centos 5.6.
I can start the connection but after a period of time the vpnc process doesn't exist in the process list when run
# pgrep vpnc
I don't know is that because the connection itself goes down or what?...if so, then how can I make the connection permanent?