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[Ipsec] Public IP address & IP mobility



Would appreciate if someone can reply to these 2 questions relating to IKEv2:

 

(the tunnel initiator is referred to as “client” and the tunnel terminator is the “gateway”)

 

-          is it possible for the client to learn its public IP address as seen by the gateway? The current NAT detection mechanism in IKEv2 only provides to the client the hash of its public IP address as seen by the gateway – why not the actual IP address itself?

 

-          Is it possible for the client to maintain the IPSec tunnel with the gateway, if it changes its source IP address? This could happen if the client moves across subnets in a wireless network. Is there any specified mechanism to use Mobile IP with IPSec?

 

Thanks.

 

Rajeev Gupta

 

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