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List of terms
Nortel Multiservice Switch 7400/15000/20000
Terminology
NN10600-005 7.2S1 Standard
PCR7.2 and up March 2006
Copyright © 2006, Nortel Nortel Confidential
physical link
Single physical interface that interconnects two devices in a network.
PID
See process identifier (PID) (page 105).
PIM
See protocol independent multicast-sparse mode (PIM-SM) (page 107).
ping
The ping command is a debugging method used to determine the reachability
of another node, the path(s) to another node, and the round trip delay to
another node. The command is used
1 in a network supporting the RID/MID address plan for RID/MID
destinations or frame relay VCs (see
“VC ping” (page 140)).
2 by Internet control message protocol (ICMP) to test connections to other
IP nodes
PLC
See permanent logical connection (PLC) (page 100).
PINX
Private Integrated Services Network Exchange.
PLCP
Physical layer convergence procedure is a technique for mapping ATM cells
into DS3 or E3 frames over PDH networks.
PM
See processor module (PM) (page 106).
PNNI
See private network-to-network interface (PNNI) (page 105).
PNNI node ID
A 22 octet string that is used to uniquely identify a node at a particular PNNI
hierarchy level.
PNNI port ID
A 32 bit integer that is used to uniquely identify a PNNI interface.
PNNI routing control channel
VCC that nodes use to exchange PNNI routing protocol messages.