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VPN ISAKMP Local Peer Address

Hi All,

I hav econfigured for a VPN Connection on a Pix 506E. This Pix sits within a Network so traffic is Nat'd out to a Public IP address and Internet. When I try to establish a VPN the ISAKMP Phase 1 is rejected because the Peer is set to the local PIX Outside IP address rather than the Public IP Address. The remote end is expecting the public IP address as the Peer.

Is there anyway to set the Local Peer address to transmit as the Public IP Address ie. Instead of the local Peer 192.168.9.2 (Outside interface IP) being sent as the Local Peer, I want something like 66.66.66.66 to be identified as the local peer address.

Regards

Adrian

2 REPLIES
New Member

Re: VPN ISAKMP Local Peer Address

Hello,

You can try the following:

1. Set the iskmp identity to use hostname instead of the default ip address - isakmp identity hostname.

2. Make sure the remote peer can resolve the hostname to the 66.66.66.66 public ip.

Regards

Pradeep

Bronze

Re: VPN ISAKMP Local Peer Address

Hello,

If another device is natting your VPN tunnel (not the pix itself) you'll need

crypto isakmp nat-traversal

or

isakmp nat-traversal

Depending on your firewall version. Also make sure that both udp 500 *and* udp 4500 are open between both endpoints.

--Jason

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