VPNC is a free VPN client which is capable of connecting to Cisco VPNs (3000).
Use yum to install vpnc.
# yum install vpnc NetworkManager-vpnc vpnc-consoleuser -y
It will install all necessary packages. In the installation it create a default configurations file in the configurations directory. You need to backup that.
# mv /etc/vpnc/default.conf /etc/vpnc/default.conf.bak
Then you need to convert the
# perl /usr/share/doc/vpnc-*/pcf2vpnc your.pcf /etc/vpnc/default.conf
After creating the configurations file you can try to connect to the VPN by;
It will ask for the user password;
# Enter password for firstname.lastname@example.org :
Give the password. If that succeed you can see a message like this.
# VPNC started in background (pid: 18957)
If you want to disconnect from the VPN, simply type ;
Then it will try to disconnect your session from the VPN and will give a message like this.
# Terminating vpnc daemon (pid: 18957)