Cabletron Systems Netlink FRX8000, User Manual

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glo-6 FRX8000 3. 0 User G uide, Rev 02
Internet Protocol
is the Internet standard protocol that defines the datagram as the basic unit of data
transmitted across the internet.
IP
stands for “internet protocol.”
IPL
stands for “initial program load,” which is the loading into a node of the operating
software on power-on or re-boot.
IPX
stands for “Internetwork Packet Exchange,” which is a Novell NetWare connec-
tionless protocol that defines internetwork and intranode addressing schemes.
L
LAN
stands for “local area network,” which is a network operating over short distances at
high speeds.
LAPB
stands for “link access protocol, balanced,” which is an X.25 level 2 protocol for appli-
cations where either end can initiate transmission.
LCN
stands for “logical channel number,” which is used as an identifier for a virtual circuit
between a DTE and a DCE.
Level 2
is the link layer in the ISO (International Standards Organization) 7-layer OSI (Open
Systems Interconnect) reference model.
Level 3
is the packet layer in the OSI reference model.
LIC
stands for “Line Interface Card” (described below).
Line Interface Card
is a “daughter” card attached to an RLP and containing the components that support a
hardware interface: RS-232/V.28, V.35, or RS-422/V.11.
Line Processor
is the module in an FRX8000 or N74/7500 node that provides the input/output ports
to wide-area network (WAN) interfaces and internodal trunk links.
LP
stands for “line processor.”