Public device, Public loop, Point-to-point – IBM AA-RWF3A-TE User Manual
Page 152: Plogi, Packet
non-participating
mode
A mode in which an L_Port in a loop is inactive and cannot
arbitrate or send frames, but can retransmit any received
transmissions. This mode is entered if there are more than 127
devices in a loop and an AL_PA cannot be acquired. See
also
, ???.
Nx_Port
A node port that can operate as an N_Port or NL_Port.
packet
A set of information transmitted across a network.
participating
mode
A mode in which an L_Port in a loop has a valid AL_PA and can
arbitrate, send frames, and retransmit received transmissions.
path selection
The selection of a transmission path through the fabric. HP
switches use the FSPF protocol for transmission path selection.
phantom address
An AL_PA value assigned to a device that is not physically
in the loop. Also known as phantom AL_PA. See also ???,
.
phantom device
A device that is not physically in an arbitrated loop but is
logically included through the use of a phantom address. See
also
PLOGI
Port login. The port-to-port login process by which initiators
establish sessions with targets. See also
.
point-to-point
An FC topology that employs direct links between each pair of
communicating entities. See also
.
port cage
The metal casing extending out of the FC port on the switch
and into which a GBIC or SFP transceiver can be inserted.
Port_Name
The unique identifier assigned to an FC port. It is communicated
during login and port discovery.
POST
Power-on self-test. A series of diagnostic tests run by a switch
after it is powered on.
primary FCS
switch
Primary Fabric Configuration Server switch. The switch that
actively manages the configuration and security parameters
for all switches in the fabric.
private loop
An arbitrated loop that does not include a participating FL_Port.
private NL_Port
An NL_Port that communicates only with other private NL_Ports
in the same loop and does not log in to the fabric.
public device
A device that supports arbitrated loop protocol, can interpret
8-bit addresses, and can log in to the fabric. See also
.
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Glossary