standard way for VLANs to communicate across switched networks.
IEEE 802.1p
An IEEE standard for providing quality of service (QoS) in Ethernet networks. The standard uses packet tags that define up to eight traffic classes and allows switches to transmit packets based on the tagged priority value.
IEEE 802.3ad
A standard that defines link aggregation. 802.3ad is now incorporated into the relevant sections of the IEEE Std.
IETF
Internet Engineering Task Force. An organization responsible for providing engineering solutions for TCP/IP networks. In the network management area, this group is responsible for the development of the SNMP protocol.
IP
Internet Protocol. IP is a layer 3 network protocol that is the standard for sending data through a network. IP is part of the TCP/IP set of protocols that describe the routing of packets to addressed devices. An IP address consists of 32 bits divided into two or three fields: a network number and a host number or a network number, a subnet number, and a host number.
GLOSSARY 73
IP Address
Internet Protocol Address. A unique identifier for a device attached to a network using TCP/IP. The address is written as four octets separated with periods
LAN
Local Area Network. A network of end stations (such as PCs, printers, servers) and network devices (hubs and switches) that cover a relatively small geographic area (usually not larger than a floor or building). LANs are characterized by high transmission speeds over short distances (up to 1000 meters).
Layer 2
Data Link layer in the ISO
link aggregation
See Trunking.
MAC
Media Access Control. A protocol specified by the IEEE for determining which devices have access to a network at any one time.
MAC address
Media Access Control Address. Also called the hardware, physical, or Ethernet address. A layer 2 address associated with a particular network device.
