Dell PowerConnect 5548 User Guide - Page 702

Ports on which network traffic is received. IP Internet Protocol. Specifies the format of packets and there addressing method. IP addresses packets and forwards the packets to the correct port. IP Address Internet Protocol Address. A unique address assigned to a network device with two or more interconnected LANs or WANs. IP Version 6 (IPv6) A version of IP addressing with longer addresses than the traditional IPv4. IPv6 addresses are 128 bits long, whereas IPv4 addresses are 32 bits; allowing a much larger address space. ISATAP Intra-Site Automatic Tunnel Addressing Protocol . ISATAP is an automatic overlay tunneling mechanism that uses the underlying IPv4 network as a non-Broadcast/multicast access link layer for IPv6. ISATAP is designed for transporting IPv6 packets within a site where a native IPv6 infrastructure is not yet available. L LAG Link Aggregated Group. Aggregates ports or VLANs into a single virtual port or VLAN. For more information on LAGs, see Defining LAG Membership. LAN Local Area Networks. A network contained within a single room, building, campus or other limited geographical area. Layer 2 Data Link Layer or MAC Layer. Contains the physical address of a client or server station. Layer 2 processing is faster than Layer 3 processing because there is less information to process. Layer 3 702 Dell PowerConnect 55xx Systems User Guide