Multiprotocol Routing Services
Protocol Configuration Reference
Version 3.3 Volume 1

Appendix C. List of Abbreviations

AARP

AppleTalk Address Resolution Protocol

ABR

area border router

ack

acknowledgment

AIX

Advanced Interactive Executive

AMA

arbitrary MAC addressing

AMP

active monitor present

ANSI

American National Standards Institute

AP2

AppleTalk Phase 2

APPN

Advanced Peer-to-Peer Networking

ARE

all-routes explorer

ARI

ATM real interface

ARI/FCI

address recognized indicator/frame copied indicator

ARP

Address Resolution Protocol

AS

autonomous system

ASBR

autonomous system boundary router

ASCII

American National Standard Code for Information Interchange

ASN.1

abstract syntax notation 1

ASRT

adaptive source routing transparent

ASYNC

asynchronous

ATCP

AppleTalk Control Protocol

ATP

AppleTalk Transaction Protocol

AUI

attachment unit interface

AVI

ATM virtual interface

ayt

are you there

BAN

Boundary Access Node

BBCM

Bridging Broadcast Manager

BECN

backward explicit congestion notification

BGP

Border Gateway Protocol

BNC

bayonet Niell-Concelman

BNCP

Bridging Network Control Protocol

BOOTP

BOOT protocol

BPDU

bridge protocol data unit

bps

bits per second

BR

bridging/routing

BRS

bandwidth reservation

BSD

Berkeley software distribution

BTP

BOOTP relay agent

BTU

basic transmission unit

CAM

content-addressable memory

CCITT

Consultative Committee on International Telegraph and Telephone

CD

collision detection

CGWCON

Gateway Console

CIDR

Classless Inter-Domain Routing

CIP

Classical IP

CIR

committed information rate

CLNP

Connectionless-Mode Network Protocol

CPU

central processing unit

CRC

cyclic redundancy check

CRS

configuration report server

CTS

clear to send

CUD

call user data

DAF

destination address filtering

DB

database

DBsum

database summary

DCD

data channel received line signal detector

DCE

data circuit-terminating equipment

DCS

Directly connected server

DDLC

dual data-link controller

DDN

Defense Data Network

DDP

Datagram Delivery Protocol

DDT

Dynamic Debugging Tool

DHCP

Dynamic Host Configuration Protocol

dir

directly connected

DL

data link

DLC

data link control

DLCI

data link connection identifier

DLS

data link switching

DLSw

data link switching

DMA

direct memory access

DNA

Digital Network Architecture

DNCP

DECnet Protocol Control Protocol

DNIC

Data Network Identifier Code

DoD

Department of Defense

DOS

Disk Operating System

DR

designated router

DRAM

Dynamic Random Access Memory

DSAP

destination service access point

DSE

data switching equipment

DSE

data switching exchange

DSR

data set ready

DSU

data service unit

DTE

data terminal equipment

DTR

data terminal ready

Dtype

destination type

DVMRP

Distance Vector Multicast Routing Protocol

E1

2.048 Mbps transmission rate

EDEL

end delimiter

EDI

error detected indicator

EGP

Exterior Gateway Protocol

EIA

Electronics Industries Association

ELAN

Emulated LAN

ELAP

EtherTalk Link Access Protocol

ELS

Event Logging System

ESI

End system identifier

EST

Eastern Standard Time

Eth

Ethernet

fa-ga

functional address-group address

FCS

frame check sequence

FECN

forward explicit congestion notification

FIFO

first in, first out

FLT

filter library

FR

Frame Relay

FRL

Frame Relay

FTP

File Transfer Protocol

GMT

Greenwich Mean Time

GOSIP

Government Open Systems Interconnection Profile

GTE

General Telephone Company

GWCON

Gateway Console

HDLC

high-level data link control

HEX

hexadecimal

HPR

high-performance routing

HST

TCP/IP host services

HTF

host table format

IBD

Integrated Boot Device

ICMP

Internet Control Message Protocol

ICP

Internet Control Protocol

ID

identification

IDP

Initial Domain Part

IDP

Internet Datagram Protocol

IEEE

Institute of Electrical and Electronics Engineers

Ifc#

interface number

IGP

interior gateway protocol

InARP

Inverse Address Resolution Protocol

IP

Internet Protocol

IPCP

IP Control Protocol

IPPN

IP Protocol Network

IPX

Internetwork Packet Exchange

IPXCP

IPX Control Protocol

ISDN

integrated services digital network

ISO

International Organization for Standardization

Kbps

kilobits per second

LAC

L2TP Network Access Concentrator

LAN

local area network

LAPB

link access protocol-balanced

LAT

local area transport

LCP

Link Control Protocol

LED

light-emitting diode

LF

largest frame; line feed

LIS

Logical IP subnet

LLC

logical link control

LLC2

logical link control 2

LMI

local management interface

LNS

L2TP Network Server

LRM

LAN reporting mechanism

LS

link state

LSA

link state advertisement

LSB

least significant bit

LSI

LAN shortcuts interface

LSreq

link state request

LSrxl

link state retransmission list

LU

logical unit

MAC

medium access control

Mb

megabit

MB

megabyte

Mbps

megabits per second

MBps

megabytes per second

MC

multicast

MCF

MAC filtering

MIB

Management Information Base

MIB II

Management Information Base II

MILNET

military network

MOS

Micro Operating System

MOSDBG

Micro Operating System Debugging Tool

MOSPF

Open Shortest Path First with multicast extensions

MSB

most significant bit

MSDU

MAC service data unit

MRU

maximum receive unit

MTU

maximum transmission unit

nak

not acknowledged

NBMA

Non-Broadcast Multiple Access

NBP

Name Binding Protocol

NBR

neighbor

NCP

Network Control Protocol

NCP

Network Core Protocol

NetBIOS

Network Basic Input/Output System

NHRP

Next Hop Resolution Protocol

NIST

National Institute of Standards and Technology

NPDU

Network Protocol Data Unit

NRZ

non-return-to-zero

NRZI

non-return-to-zero inverted

NSAP

Network Service Access Point

NSF

National Science Foundation

NSFNET

National Science Foundation NETwork

NVCNFG

nonvolatile configuration

OPCON

Operator Console

OSI

open systems interconnection

OSICP

OSI Control Protocol

OSPF

Open Shortest Path First

OUI

organization unique identifier

PC

personal computer

PCR

peak cell rate

PDN

public data network

PING

Packet internet groper

PDU

protocol data unit

PID

process identification

P-P

Point-to-Point

PPP

Point-to-Point Protocol

PROM

programmable read-only memory

PU

physical unit

PVC

permanent virtual circuit

RAM

random access memory

RD

route descriptor

REM

ring error monitor

REV

receive

RFC

Request for Comments

RI

ring indicator; routing information

RIF

routing information field

RII

routing information indicator

RIP

Routing Information Protocol

RISC

reduced instruction-set computer

RNR

receive not ready

ROM

read-only memory

ROpcon

Remote Operator Console

RPS

ring parameter server

RTMP

Routing Table Maintenance Protocol

RTP

RouTing update Protocol

RTS

request to send

Rtype

route type

rxmits

retransmissions

rxmt

retransmit

SAF

source address filtering

SAP

service access point

SAP

Service Advertising Protocol

SCR

Sustained cell rate

SCSP

Server Cache Synchronization Protocol

sdel

start delimiter

SDLC

SDLC relay, synchronous data link control

seqno

sequence number

SGID

sever group id

SGMP

Simple Gateway Monitoring Protocol

SL

serial line

SMP

standby monitor present

SMTP

Simple Mail Transfer Protocol

SNA

Systems Network Architecture

SNAP

Subnetwork Access Protocol

SNMP

Simple Network Management Protocol

SNPA

subnetwork point of attachment

SPF

OSPF intra-area route

SPE1

OSPF external route type 1

SPE2

OSPF external route type 2

SPIA

OSPF inter-area route type

SPID

service profile ID

SPX

Sequenced Packet Exchange

SQE

signal quality error

SRAM

static random access memory

SRB

source routing bridge

SRF

specifically routed frame

SRLY

SDLC relay

SRT

source routing transparent

SR-TB

source routing-transparent bridge

STA

static

STB

spanning tree bridge

STE

spanning tree explorer

STP

shielded twisted pair; spanning tree protocol

SVC

switched virtual circuit

TB

transparent bridge

TCN

topology change notification

TCP

Transmission Control Protocol

TCP/IP

Transmission Control Protocol/Internet Protocol

TEI

terminal point identifier

TFTP

Trivial File Transfer Protocol

TKR

token ring

TMO

timeout

TOS

type of service

TSF

transparent spanning frames

TTL

time to live

TTY

teletypewriter

TX

transmit

UA

unnumbered acknowledgment

UDP

User Datagram Protocol

UI

unnumbered information

UTP

unshielded twisted pair

VCC

Virtual Channel Connection

VINES

VIrtual NEtworking System

VIR

variable information rate

VL

virtual link

VNI

Virtual Network Interface

VR

virtual route

WAN

wide area network

WRS

WAN restoral/reroute

X.25

packet-switched networks

X.251

X.25 physical layer

X.252

X.25 frame layer

X.253

X.25 packet layer

XID

exchange identification

XNS

Xerox Network Systems

XSUM

checksum

ZIP

AppleTalk Zone Information Protocol

ZIP2

AppleTalk Zone Information Protocol 2

ZIT

Zone Information Table