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HP StorageWorks 2.32 SAN Switch User Manual

Page 316

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Glossary–6

Web Tools Version 3.0.x/4.0.x User Guide

Glossary

Class 3

Service that provides a connectionless frame switching service between two ports, without
notification of delivery or nondelivery of data. This service can also be used to provide a
multicast connection between the originator and recipients, with notification of delivery or
nondelivery.

Class F

Connectionless service for control traffic between switches, with notification of delivery or
nondelivery of data between the E_Ports.

Class of Service

A specified set of delivery characteristics and attributes for frame delivery.

CLI

Command line interface. Interface that depends entirely on the use of commands, such as
through telnet or SNMP, and does not involve a Graphic User Interface (GUI).

CLS

Close Primitive Signal. Only in an Arbitrated Loop; sent by an L_Port that is currently
communicating on the loop, to close communication to an other L_Port.

Comma

A unique pattern (either 1100000 or 0011111) used in 8b/10b encoding to specify character
alignment within a data stream.

See also K28.5.

Community (SNMP)

A relationship between a group of SNMP managers and an SNMP agent, in which
authentication, access control, and proxy characteristics are defined.

See also SNMP.

Compact Flash

Flash memory that stores the run-time operating system and is used like hard disk storage. Not
visible within the processor's memory space. Data is stored in file system format.