Internet type of local IP address used for this association.
- unknown (0) An unknown address type. This value MUST be
used if the value of the corresponding InetAddress object
is a zero-length string. It may also be used to indicate an
IP address different from IPv4 or IPv6. This value is used
in this MIB for error conditions.
- ipv4 (1): An IPv4 address as defined by the InetAddressIPv4
textual convention [RFC2851].
- ipv6 (2): An IPv6 address as defined by the InetAddressIPv6
textual convention [RFC2851].