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IPSEC over NAT-T with TCP port 4500

rdianat
Beginner
Beginner

Hello experts,

When using cisco VPN client and ipsec IKEV1, there was always and option to choose IPSEC over TCP which also made it possible to use NAT-T over TCP port 4500.

However in new AnyConnect client there is no way to force the IPSEC over NAT-T to run over TCP. at least I do not know how to do it.

Does anyone know how to configure ASA with IPSEC IKEV2 to run NAT-T over TCP. As you know many Firewalls block UDP/4500 and this creates problem if I cannot configure NAT-T over TCP port 4500.

Thank you

Razi

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