Re-enables NAT Traversal keepalive if it was disabled, and configures the keepalive interval. NAT Traversal keepalive is enabled in the device by default. The purpose of this command is to keep the NAT devices tables updated. Use no crypto isakmp nat keepalive to disable NAT Traversal keepalives.
Tip:
Set the NAT Traversal keepalive interval to be less than the NAT translation aging time on the NAT device.
Syntax
[no] crypto isakmp nat keepalive [seconds]
Parameters
Parameter
Description
Possible Values
Default Value
seconds
The number of seconds between NAT Traversal keepalive messages
5-3600
User level
read-write
Context
general
Example
To enable NAT Traversal keepalive for an interval of 60 seconds:
