Dell PowerConnect 5448 User's Guide - Page 436
iSCSI, Jumbo Frames, Defining LAG, Membership, Layer 2, LLDP-MED, Load Balancing, MAC Address
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iSCSI iSCSI is a communication protocol used for sending data between file servers and storage disks. The file servers are called initiators and the disks are called targets. J Jumbo Frames Enables transporting the identical data in fewer frames. Jumbo Frames reduce overhead, lower processing time, and ensures fewer interrupts. 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 4 Establishes a connections and ensures that all data arrives to their destination. Packets inspected at the Layer 4 level are analyzed and forwarding decisions based on their applications. LLDP-MED Link Layer Discovery Protocol - Media Endpoint Discovery. LLDP allows network managers to troubleshoot and enhance network management by discovering and maintaining network topologies over multi-vendor environments. MED increases network flexibility by allowing different IP systems to co-exist on a single network LLDP. Load Balancing Enables the even distribution of data and/or processing packets across available network resources. For example, load balancing may distribute the incoming packets evenly to all servers, or redirect the packets to the next available server. M MAC Address Media Access Control Address. The MAC Address is a hardware specific address that identifies each network node. MAC Address Learning MAC Address Learning characterizes a learning bridge, in which the packet's source MAC address is recorded. Packets destined for that address are forwarded only to the bridge interface on which that address is located. Packets addressed to unknown addresses are forwarded to every bridge interface. MAC Address Learning minimizes traffic on the attached LANs. MAC Layer A sub-layer of the Data Link Control (DTL) layer. 436 Glossary