The value of tmnxIPsecTunnelDynTransformId4 specifies the fourth
IPsec transform entry in the table tmnxIPsecTransformTable that
this tunnel will use.
The value of tmnxIPsecTunnelDynTransformId3 is valid and greater
than 0, only if the value of tmnxIPsecTunnelKeyingType is
'dynamic'.