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Cisco ASA VPN configuration

Posted on 2009-07-07
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Last Modified: 2012-05-07
I am converting all of my PIX devices over to ASA platforms.  Several of my PIX 515's also support VPDN access.  Can someone take a look at the attached following code and make sure I have the ASA configured to match the way I have my PIX devices currently set up?

The one CLI command on the PIX that really concerns me the most is the 'vpdn enable outside' command.  I cannot find the equivalent CLI under the ASA.
PIX config:

ip local pool etpool 192.168.250.1-192.168.250.254

...

...

vpdn group PPTP-VPDN-GROUP accept dialin pptp

vpdn group PPTP-VPDN-GROUP ppp authentication pap

vpdn group PPTP-VPDN-GROUP ppp authentication chap

vpdn group PPTP-VPDN-GROUP ppp authentication mschap

vpdn group PPTP-VPDN-GROUP ppp encryption mppe auto

vpdn group PPTP-VPDN-GROUP client configuration address local etpool

vpdn group PPTP-VPDN-GROUP client configuration dns 172.20.3.11

vpdn group PPTP-VPDN-GROUP client authentication aaa RADIUS

vpdn group PPTP-VPDN-GROUP pptp echo 60

vpdn enable outside
 

ASA configuration:

ip local pool etpool 192.168.250.1-192.168.250.254

...

...

service-policy global_policy global

group-policy PPTP-VPDN-GROUP internal

group-policy PPTP-VPDN-GROUP attributes

 dns-server value 172.20.3.11

 vpn-tunnel-protocol l2tp-ipsec

tunnel-group PPTP-VPDN-GROUP type ipsec-ra

tunnel-group PPTP-VPDN-GROUP general-attributes

 address-pool etpool

 authentication-server-group RADIUS

 default-group-policy PPTP-VPDN-GROUP

tunnel-group PPTP-VPDN-GROUP ppp-attributes

 authentication pap

 authentication ms-chap-v2

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Question by:jgrammer42
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Expert Comment

by:3nerds
ID: 24795118
Your VPDN is using PPTP, and the ASA does not support that as a remote access VPN protocol, just making sure you realize this. As it was common to create a VPN connection using PPTP in windows XP so that you did not have to load a client on the remote machines. They new idea is to use IPSEC and the Cisco VPN client or to go the SSL VPN route.

Regards,

3nerds
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Author Comment

by:jgrammer42
ID: 24830935
3nerds,

So, what you are saying is that if I make this change, my MS Windows XP users will no longer be able to VPN in using the Windows VPN client?

Thanks,
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3nerds earned 500 total points
ID: 24842600
Correct.

3nerds
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Author Comment

by:jgrammer42
ID: 24849664
That is not good....that creates some real problems.

I will have to think about this..

Thank you,
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