Configuring and Monitoring NAT-T

For instructions on configuring and monitoring NAT-T, see the sections listed in Table 18.

Table 18: Configuration and Monitoring Tasks for NAT-T

Task	Command	See Section
Enabling and disabling NAT-T on a virtual router	ipsec option nat-t	Configuring NAT-T
Displaying information about the current NAT-T setting on a virtual router	show ipsec option	Monitoring DVMRP/IPSec, GRE/IPSec, and L2TP/IPSec Tunnels
Displaying information about the IKE SA negotiation when NAT-T is enabled	show ipsec ike-sa	Monitoring DVMRP/IPSec, GRE/IPSec, and L2TP/IPSec Tunnels