Represents the local IP address of a WTP and models the CAPWAP Local IPv4 Address
or CAPWAP Local IPv6 Address fields [RFC5415].
If a Network Address Translation (NAT) device is present between WTP and AC, the value of
fgWcWtpWtpLocalIpAddress will be different from the value of fgWcWtpWtpIpAddress.
The format of this IP address is determined by the corresponding instance of object
fgWcWtpSessionWtpLocalIpAddressType.