How Nat my internal hosts for Lan to Lan VPN
Hi all, I have to connect a L2L to another company, however, they want we host NAT internal to a different subnet. There may be side address conflicts there. They want us to the Nat my 192.168.200.0 to 10.10.12.0 subnet subnet. All class C to the L2L.
192.168.200.0 ASA1 <---> <-- internet="" --="">ASA2<-->-->
(10.10.12.0)
Any suggestions on how I can get this working? I know that it will take just not a 100% on access lists lists some access and I'm trying to keep to a minimum and the time, right now we are just the standard nating for guests a couple of a global IP address for internal Internet traffic.
Thank you...
Daniel
Here's what can be configured:
access list static L2L permit ip 192.168.200.0 255.255.255.0 192.168.10.0 255.255.255.0
public static 10.10.12.0 (inside, outside) access list static L2L
If you have already configured from 192.168.200.0/24 192.168.10.0/24 NAT exemption, you need to remove it because the NAT exemption has priority over static translation.
As a result, you must also change your ACL crypto to come from 10.10.12.0/24 instead of 192.168.200.0/24 and counterpart what ASA also has to change the ACL crypto to source of 192.168.10.0/24 to 10.10.12.0/24 as follows:
Your ACL crypto: cryptoACL ip 10.10.12.0 access list allow 255.255.255.0 192.168.10.0 255.255.255.0
Peer crypto ACLs: permit ip 192.168.10.0 access list cryptoACL 255.255.255.0 10.10.12.0 255.255.255.0
Hope that helps.
-->--->
Tags: Cisco Security
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