CLIENT Name specified by the data link user when the port was opened. ETHERNET PROTOCOL TYPES Set of Ethernet protocol types that are currently recognized for this port. LENGTH PRESENT The data link adds a length field on transmit frames, and assumes the presence of a length field and attempts to remove it on received Ethernet frames. When false, the data link does not add and remove length fields. This attribute is irrelevant for ISO 8802-3 formatted frames, which always have a length field. TRUE - The data link adds and removes length fields. FALSE - The data link does not add and remove length fields. LLC SAP ADDRESSES Set of individual and group logical link control LLC service access point SAP addresses that are currently recognized for this port. LLC SERVICE Type of LLC logical link control PDU processing that is required on the port as defined by the user when the port was opened. CLASS 1 - The data link provides class 1, type 1 service. USER-SUPPLIED - The user is responsible for handling the LLC protocol. MAC ADDRESSES Set of individual and multicast MAC medium access control addresses that are currently recognized for this port. RECEIVE MODE Type of receive mode that is currently enabled for the port. NORMAL - The port receives only those frames that meet the normal address and protocol filtering requirements requested by the user. PROMISCUOUS - The port receives all frames regardless of format and MAC address. SNAP PROTOCOL IDENTIFIERS Set of subnetwork access protocol SNAP identifiers that are currently recognized for this port. STATION Name of the station associated with this port as specified by the user when the port was opened.