Switch User's Manual

54 N
network-to-network interface (NNI)
An interface between two networks in different
management domains.
next hop
The next hop to which a packet can be sent to
advance the packet to the destination.
Next Hop Label Forwarding Entry (NHLFE)
n index used to forward a labeled packet.
It contains the next hop of the packet and
instructions of what to do, either swap the label
or pop the label stack.
nonbroadcast multiaccess (NBMA)
Interconnects multiple devices over a broadcast
network through point-to-point links. NBMA
reduces the number of IP addresses required for
point-to-point connections.
nondispersion-shifted fiber (NDSF)
A type of optical fiber optimized for the 1310 nm
transmission window.
NonVolatile Random Access Memory (NVRAM)
Random Access Memory that retains its contents
after electrical power turns off.
nonzero-dispersion-shifted fiber (NZDSF)
A type of optical fiber optimized for high bit-rate
and dense wavelength-division-multiplexing
applications.
Nortel Networks command line interface (NNCLI)
Nortel Networks command line interface (NNCLI)
is a common CLI that follows the industry
standard. NNCLI is a common user interface for
device management across Nortel products.
not so stubby area (NSSA)
Prevents the flooding of external link-state
advertisements (LSA) into the area by providing
them with a default route. An NSSA is a
configuration of the Open Shortest Path First
(OSPF) protocol.
Nortel Ethernet Routing Switch 8600
Terminology
NN46205-102 01.01 Standard
30 May 2008
Copyright © 2008 Nortel Networks
.