HP StorageWorks 2/64 - Core Switch Manual page 7

CMT Central memory test.
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 A relationship between a group of SNMP managers and an SNMP agent, in
(SNMP)
which authentication, access control, and proxy characteristics are defined.
See also SNMP.
compact flash Flash (temporary) memory that is used in a manner similar to hard disk storage.
It is connected to a bridging component that connects to the PCI bus of the
processor. Not visible within the processor's memory space.
configuration (1) The number, type, and arrangement of components that make up a system
or network.
(2) The set of parameters that guide switch operation. May include general
system parameters, IP address information, domain ID, and other information.
Modifiable by any login with administrative privileges. Use the configShow
command to view the current configuration of a switch.
(3) In HP Zoning, a zoning element that contains a set of zones. The
configuration is the highest-level zoning element and is used to enable or
disable a set of zones on the fabric.
See also
congestion A condition that occurs when the offered load for a data communication path
exceeds its capacity. For example, a congested link is one on which multiple
devices are contending for bandwidth.
connection initia- A port that has originated a Class 1 dedicated connection and received a
tor
response from the recipient.
connection recip- A port that has received a Class 1 dedicated connection request and transmitted
ient a response to the originator.
core PID Core switch port identifier. The core PID must be set for Fabric OS 3.1 and
earlier switches included in a fabric of Fabric OS 4.1 switches. This parameter
is located in the configure command of Fabric OS 3.1 and earlier firmware.
All Fabric OS 4.1 switches and later use the core PID format by default; this
parameter is not present in the configure command for these switches.
See also PID.
COS See
CP Control processor.
CPLD Complex PLD. Also called Enhanced PLD (EPLD, Super PAL, and Mega PAL.
See also PLD.
CRC Cyclic redundancy check. A check for transmission errors that is included
in every data frame.
credit As it applies to Fibre Channel technology, the number of receive buffers
available to transmit frames between ports.
See also BB_Credit, EE_Credit.
CSCN Common services connection framework.
cut-through A switching technique that allows the route for a frame to be selected as soon
as the destination address is received.
See also route.
Direct attached storage.
DAS
zone configuration.
Class of service.
Fabric OS 5.x master glossary
7