crypto ipsec nat-transparency udp-encapsulation

Last Updated : Aug 28, 2026 |
NAT Traversal is enabled in the device by default. Use the crypto ipsec nat-transparency udp-encapsulation command to re-enable NAT Traversal if it was disabled. Use no crypto ipsec nat-transparency udp-encapsulation to completely disable NAT Traversal in the device.
Prolog information

Syntax

[no] crypto nat-transparency udp-encapsulation

User level

read-write

Context

general

Example

To re-enable NAT Traversal:
Gxxx-001(super)# no crypto ipsec nat-transparency udp-encapsulation