...
https://www.juniper.net/documentation/en_US/junose15.1/topics/concept/nat-traversal-overview.html
NAT-T for IKE peer: NAT-T is used when there is a network device between the
two tunnel end-points that enforce NAT.
...
https://www.juniper.net/documentation/en_US/junose15.1/topics/concept/nat-traversal-overview.html
NAT-T for IKE peer: NAT-T is used when there is a network device between the
two tunnel end-points that enforce NAT.