The value of the object tmnxL2tpTuCfgLoadBalanceMethod specifies
the method to be used for load-balancing sessions across ISA MDA
in this Layer Two Tunneling Protocol Tunnel.
The value 'default' specifies that the value must be set to the actual
value of the object tmnxL2tpTgCfgLoadBalanceMethod of the tunnel group
this tunnel belongs to.