Configure a basic PPTP VPN on a Cisco Router

Asset 6

Configure a basic PPTP VPN on a Cisco Router

Posted on 17 December 2012 by Beaming Support

If you need to allow VPN access to your network from the outside world then setting your Cisco router up to be a PPTP server is an easy way to do it.

Here’s how to configure a basic PPTP VPN on a Cisco Router

Firstly we need to enable VPDN:

vpdn enable
vpdn-group 1
protocol pptp
virtual template 254

Now we need to create the virtual template:

interface virtual-template 254
ip unnumbered fastethernet 0/0
peer default ip address pool pptp-pool
no keepalive
ppp encrypt mppe auto
ppp authentication ms-chap ms-chapv2

Once the Virtual template has been configured we need to create the IP address pool that will be assigned to the PPTP client:

ip local pool pptp-pool

We will now need to create the username and password that will allow the PPTP client to authenticate with the router:

username pptpuser password pptppassword

Finally we need to allow PPTP through any access-lists we may have on the incoming interface by appending the configuration below:

access-list 123 permit tcp any host eq 1723
access-list 123 permit gre any any

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