Switch User's Manual

53
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N
nanometer (nm)
One billionth of a meter (10
9
meter). A unit
of measure commonly used to express the
wavelengths of light.
neighbor discovery (ND)
Used by IPv6 nodes (routers and hosts) on the
same link to discover link layer addresses and
obtain and advertise various network parameters
and reachability information.
Network Address Translation (NAT)
Provides access to the Internet for network
ports by using one or more globally unique
IP addresses. Use NAT on a network to use
one set of network addresses internally and a
different set externally.
Network Basic Input/Output System (NetBIOS)
An application programming interface (API) that
augments the DOS BIOS by adding special
functions for Local Area Networks (LANs).
Network Interface Card (NIC)
A network interface device (NID) in the form of
a circuit card installed in an expansion slot of a
computer to provide network access.
Network Time Protocol (NTP)
A protocol that works with TCP that assures
accurate local time keeping with reference to
radio and atomic clocks located on the Internet.
NTP synchronizes distributed clocks within
milliseconds over long time periods.
Nortel Ethernet Routing Switch 8600
Terminology
NN46205-102 01.01 Standard
30 May 2008
Copyright © 2008 Nortel Networks
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