Layer 2 Data Link layer in the ISO 7-Layer Data Communications Protocol. This is related directly to the hardware interface for network devices and passes on traffic based on MAC addresses.

Layer 3 Network layer in the ISO 7-Layer Data Communications Protocol. This layer handles the routing functions for data moving from one open system to another.

Link Aggregation Defines a network link aggregation method which specifies how to create a single high-speed logical link that combines several lower-speed physical links.

Link Aggregation

Control Protocol

(LACP) Allows ports to automatically negotiate an aggregated link with LACP- configured ports on another device.

Media Access Control

(MAC) A portion of the networking protocol that governs access to the transmission

medium, facilitating the exchange of data between network nodes.

Management

Information Base

(MIB) An acronym for Management Information Base. It is a set of database objects that contains information about a specific device.

Multicast Switching A process whereby the switch filters incoming multicast frames for services for which no attached host has registered, or forwards them to all ports contained within the designated multicast VLAN group.

Out-of-Band

Management Management of the network from a station not attached to the network.

Port Mirroring A method whereby data on a target port is mirrored to a monitor port for troubleshooting with a logic analyzer or RMON probe. This allows data on the target port to be studied unobstructively.

Remote Monitoring

(RMON) RMON provides comprehensive network monitoring capabilities. It eliminates the polling required in standard SNMP, and can set alarms on a variety of traffic conditions, including specific error types.

Remote Authentication

Dial-in User Service

(RADIUS) An authentication protocol that uses a central server to control access to RADIUS-compliant devices on the network. A RADIUS server can be programmed with a database of multiple user name/password pairs and associated privilege levels for each user or group that requires management access to this switch.

RJ-45 Connector A connector for twisted-pair wiring.

Glossary-4Sun Fire™ B1600 Blade System Chassis Switch Administration Guide • April 2003

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Sunfire B1600 manual Link Aggregation Control Protocol