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Site-to-Site VPN Using Router and ASA

Answered Question
Sep 24th, 2013
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I have a Cisco 1812 router which is setup for remote access VPN using IPSec (Cisco VPN Client), my question is can I configure a Cisco ASA 5505 to connect to the router as a site-to-site VPN.



Correct Answer by shijomon scaria about 3 years 10 months ago

Dear Karl,

Yor are right, in this case either you can created a site to site vpn tunnel between the devices or you can setup your ASA as a VPN hardware client. ie; Easy VPN.

For the same you can refer the below document.




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Overall Rating: 5 (1 ratings)
karl_009 Tue, 09/24/2013 - 05:51
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Hi Shijo,

Thanks for document very helpful, one last question?

Since I already have the router setup for remote access for end users to VPN into the local LAN can I use the existing setup on the router, an just configure the ASA to connect to the router.

I know on routers you can setup an Easy VPN Remote which connects to an Easy VPN Server which is what I have setup, so the ASA should be able to do the same would you agree?

Many Thanks


Karsten Iwen Tue, 09/24/2013 - 05:37
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As mentioned by Shijo, it is no problem to do that. Just make sure that the crypto-map-sequence that you use to apply your dynamic crypto-map is always higher then the sequences you use for site-to-site. That's a config-mistake I have seen more then once.

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