tmnxIkePolicyNatTKeepAliveIntvl 1.3.6.1.4.1.6527.3.1.2.48.4.1.14

The value of tmnxIkePolicyNatTKeepAliveIntvl specifies the keep alive interval for NAT-T. If the value of tmnxIkePolicyNatTKeepAliveIntvl is '0', then keep alives are disabled.