Glossary

AL_PA

Arbitrated Loop Physical Address

Arbitrated Loop

A Fibre Channel topology where ports use arbitration to establish a point-to-point circuit.

Arbitrated Loop Physical Address (AL_PA)

Aunique one-byte value assigned during loop initialization to each NL_Port on a Loop.

Abstract Syntax Notation (ASN.1)

Abstract Syntax Notation number One (ASN.1) is an international standard that specifies data used in communication protocols.

Authentication Trap

Enables or disables the reporting of SNMP authentication failures. If enabled, a notification trap is sent to the configured trap addresses in the event of an authentication failure. The default value is False.

BER

Bit Error Rate

Bit Error Rate

The probability that a transmitted bit will be erroneously received. The BER is measured by counting the number of bits in error at the output of a receiver and dividing by the total number of bits in the transmission. BER is typically expressed as a negative power of 10.

Buffer Credit

A measure of port buffer capacity equal to one frame.

Class 2 Service

A service that multiplexes frames at frame boundaries to or from one or more N_Ports wit h acknowledgment provided.

Class 3 Service

A service that multiplexes frames at frame boundaries to or from one or more N_Ports without acknowledgment.

Contact

Specifies the name of the contact person who is to be contacted to respond to trap events. The default is undefined.

Datagram

A message sent between two communicating entities for which no explicit link level acknowledgement is expected.

Domain ID

User defined name that identifies the switch in the fabric.

Fabric Management Switch

The switch through which the fabric is managed.

Flash Memory

Memory on the switch that contains the chassis control firmware.

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Q-Logic SANBOX2 manual Glossary