The value of the object tmnxWlanGwSoftGreTuLocalAddr specifies
the IP address of the local endpoint of this Soft GRE tunnel,
that is the destination IP address in the tunnel header of
received packets.
The value of this object is equal to the value
of the tmnxWlanGwSoftGreIfGwAddr object in the conceptual row
corresponding to the Soft GRE Group-Interface where this tunnel
is terminated.