EMC DS-16B2 manual Glossary

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Glossary

Buffer- to- Buffer Flow Management of the frame transmission rate in either a point to point

Control topology or in an arbitrated loop. See also BB_Credit.

C

Cascade Two or more interconnected Fibre Channel switches. 2000-Series switches can be cascaded up to 239 switches, with a recommended maximum of seven interswitch links (no path longer than eight switches). See also Fabric and ISL.

Chassis The metal frame in which the switch and switch components are mounted.

Circuit An established communication path between two ports. Consists of two virtual circuits capable of transmitting in opposite directions. See also Link.

Class 1 Service that provides a dedicated connection between two ports (also called connection oriented service), with notification of delivery or nondelivery.

Class 2 Service that provides multiplex and connectionless frame switching service between two ports, with notification of delivery or nondelivery.

Class 3 Service that provides a connectionless frame switching service between two ports, without notification of delivery or nondelivery of data. 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.

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.

Departmental Switch Model DS-16B2 Fabric OS Procedures Manual

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Contents Procedures Manual Departmental Switch Model DS-16B2 Fabric OSCopyright 2001 EMC Corporation. All rights reserved Trademark Information Departmental Switch DS-16B2 Fabric OS Procedures Manual Contents Chapter Displaying Error Logs and Status Preface Damage to the system or equipment. The caution may apply to Palatino Http//powerlink.emc.com Setting the Initial Switch Configuration Switch55admin Logging In to a SwitchEnabling Licensed Features Changing the Admin Password and User ID Displaying the Installed Feature LicensesConfiguring the IP Address Displaying the Fabric-Wide Device Count Basic Switch Configuration Procedures Displaying the Firmware Version Setting the Telnet Timeout ValueSetting the Switch Date and Time Backing Up the System Configuration Settings Displaying the System Configuration SettingsRestoring the System Configuration Settings Disabling a Switch Upgrading or Restoring the Switch FirmwareEnabling a Switch Disabling a PortEnabling a Port Changing a Switch Name Viewing the Policy Threshold Values Setting the Switch Status PolicyDisplaying Whether Track Changes is Enabled Enabling the Track Changes FeatureDisplaying Help Information for a Telnet Command Configuring a Static Route Between Two PortsExample Reading Hexadecimal Port Diagrams0000 0001 0010 1000 0011 Departmental Switch DS-16B2 Fabric OS Procedures Manual Displaying Error Logs Status Statistics for a Port Displaying the Status of a PortError Type Description Displaying a Summary of Port ErrorsDisplaying the Switch Status Displaying the Error Log of a SwitchDisplaying Information About a Switch Displaying the Fan Status Displaying the Uptime of the SwitchDisplaying Power Supply Status Displaying the Temperature Status Running Diagnostic Tests on the Switch HardwareSupportShow Syntax supportShow firstPort, lastPort, nLog Displaying Error Logs and Status Customer Support Figure A-1Problem Detection and Resolution Process Overview of Detecting and Resolving ProblemsTroubleshooting the Problem Before Calling the Customer Support Center Documenting the Problem Reporting a New Problem FTP Sending Problem Documentation Customer Support Glossary Glossary Glossary Configuration EIA Rack Glossary Glossary Glossary See also Nonparticipating Mode and Participating Mode Glossary Glossary Glossary Glossary Glossary UDP Glossary