Description: Information about a single LIS that this system is a member of. This table is indexed by an IP subnet address. Membership in a LIS is independent of the actual ATM physical interfaces being used. The usrIpoaLisTable defines all LISes that a system is a member of. The ipAddrTable and the usrIpoaClientTable provides the mapping from local IP address to ATM physical interface. The ipoaLisIfMappingTable provides the mappings between Logical IP Subnets and interfaces. The ipoaLisTable is indexed by ipoaLisSubnetAddr. An entry in the ipAddrTable should exist for each ipAddrEntry that is associated with an IP over ATM interface. Its ipAdEntAddr and ipAdEntNetMask when ANDed should map to a ipoaLisSubnetAddr.