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Webcast-Catalyst9k
New Member

Forwarding IPSEC packets to other device

I have the following configuration:

LAN1 - FW - WAN - Cisco (DSL) - FW - LAN2

Ik want to create a VPN between LAN and LAN2. I like to use the both Firewalls (FW) to terminate the VPN. But it seems like the Cisco DSL router is not forwarding the IPSEC packets.

What are the commando's for the Cisco to forward all IPSEC packets?

I just want to use the Cisco as DSL router with no filtering at all. I will use the Firewalls for filtering and access rules.

I included the config as an attachment.

2 REPLIES

Re: Forwarding IPSEC packets to other device

Your problem is the router performs NAT on the traffic. This may cause problems with ipsec. Please check the following:

http://www.cisco.com/en/US/tech/tk583/tk372/technologies_configuration_example09186a008009486e.shtml#diag

Regards,

Leo

New Member

Re: Forwarding IPSEC packets to other device

Hi Leo,

is there a possibility that you (or someone else) can help me a bit with this one. I'm not very into IOS, and i'm a bit confused about this. I just want to redirect all the IPSEC packets. The sample that you gave me is not simmilar to my situation.

I've included the current config in a previous message. The Cisco box is only used as a DSL router. The current config is not mine and can be cleared if needed.

Regards and thanks in advance,

Patrick

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