NAT device that allocates addresses from a dynamic address pool.Д¬onfiguration examples for NAT-T are provided for the topology

This can occur when the initiator's address is dynamicallyДЄssigned by an ISP or when the initiator's connection crosses a dynamic IKE external address is not fixed and is therefore not known by the Only the IKEv1 or IKEv2 responder is behind a NAT device.Д«oth the IKEv1 or IKEv2 initiator and the responder areДynamic endpoint VPN covers the situation where the initiator's InitiatorsД¬an also connect to the responder through multiple NAT devices. Multiple initiators can be behind separate NAT devices. Only the IKEv1 or IKEv2 initiator is behind a NAT device. The location of a NAT device can be such that: Relationship between the private and public addresses. Static NAT works in both inboundДynamic NAT, where there is a many-to-one or many-to-many Static NAT, where there is a one-to-one relationship between NAT-T is enabled by default therefore you must use the no-nat-traversal statement at the [edit security ike gateway gateway-name hierarchy level for disabling the NAT-T. Keepalive messages are required between the peers. Because NAT devices age out stale UDP translations, NAT-T encapsulates both IKEДЄnd ESP traffic within UDP with port 4500 used as both the sourceДЄnd destination port. The datapath during Phase 1 exchanges, NAT-T adds a layer of UserДatagram Protocol (UDP) encapsulation to IPsec packets so they are After detecting one or more NAT devices along Protected by IPsec passes through a NAT device for address translation.ДЄny changes to the IP addressing, which is the function of NAT, causes Getting around IP address translation issues encountered when data Network Address Translation-Traversal (NAT-T) is a method for

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