Appendix A  Acronyms

A

AAA

Authentication, Authorization and Accounting

ABR

Area Border Router

ACL

Access Control List

ARP

Address Resolution Protocol

AS

Autonomous System

ASBR

Autonomous System Border Router

ATM

Asynchronous Transfer Mode

B

BDR

Backup Designated Router

BGP

Border Gateway Protocol

C

CAR

Committed Access Rate

CHAP

Challenge Handshake Authentication Protocol

CIDR

Classless Inter-Domain Routing

CIST

Common and Internal Spanning Tree

CLI

Command Line Interface

CLNP

Connectionless Network Protocol

CoS

Class of Service

CRC

Cyclic Redundancy Check

D

DHCP

Dynamic Host Configuration Protocol

DR

Designated Router

DSCP

Differential Service Code Point

D-V

Distance Vector Routing Algorithm

E

EBGP

External BGP

EGP

Exterior Gateway Protocol

F

FEC

Forwarding Equivalence Class

FIB

Forwarding Information Base

FIFO

First In First Out

FTP

File Transfer Protocol

G

GARP

Generic Attribute Registration Protocol

GE

Gigabit Ethernet

GVRP

GARP VLAN Registration Protocol

GMRP

GARP Multicast Registration Protocol

H

HABP

Huawei Authentication Bypass Protocol

HDLC

High-level Data Link Control Protocol

HGMP

Huawei Group Management Protocol

I

IAB

Internet Architecture Board

IANA

Internet Assigned Number Authority

IBGP

Internal BGP

ICMP

Internet Control Message Protocol

IGMP

Internet Group Management Protocol

IGP

Interior Gateway Protocol

IP

Internet Protocol

IPv4

Internet Protocol version 4

IPv6

Internet Protocol version 6

IPX

Internet Packet Exchange

IS-IS

Intermediate System-to-Intermediate System

L

LAPB

Link Access Procedure, Balanced

L2VPN

Layer Two VPN

L3VPN

Layer Three VPN

LDP

Label Distribution Protocol

LER

Labeled Edge Router

LSA

Link State Advertisement

LSDB

Link State DataBase

LSP

Label Switch Path

LSR

Label Switching Router

M

MAC

Medium Access Control

MBGP

Multiprotocol Extensions for BGP-4

MIB

Management Information Base

MPLS

Multiprotocol Label Switching

MSDP

Multicast Source Discovery Protocol

MSTP

Multiple Spanning Tree Protocol

MTU

Maximum Transmission Unit

N

NAT

Net Address Translation

NBMA

Non Broadcast MultiAccess

NHLFE

Next Hop Label Forwarding Entry

NIC

Network Information Center

NMS

Network Management System

NTP

Network Time Protocol

NVRAM

Nonvolatile RAM

O

OSI

Open Systems Interconnection

OSPF

Open Shortest Path First

P

PE

Provider Edge

PIM

Protocol Independent Multicast

PIM-DM

Protocol Independent Multicast-Dense Mode

PIM-SM

Protocol Independent Multicast-Sparse Mode

POS

Packet Over SDH

PPP

Point-to-Point Protocol

PPTP

Point to Point Tunneling Protocol

Q

QoS

Quality of Service

R

RADIUS

Remote Authentication Dial in User Service

RIP

Routing Information Protocol

RM

Route Manage

RMON

Remote Network Monitoring

RPF

Reverse Path Forwarding

RSTP

Rapid Spanning Tree Protocol

S

SDH

Synchronous Digital Hierarchy

SNMP

Simple Network Management Protocol

SONET

Synchronous Optical NETwork

SP

Strict Priority

STP

Spanning Tree Protocol

T

TCP/IP

Transmission Control Protocol/ Internet Protocol

TFTP

Trivial File Transfer Protocol

ToS

Type of Service

TTL

Time To Live

U

UDP

User Datagram Protocol

V

VCI

Virtual Channel Identifier

VLAN

Virtual Local Area Network

VOD

Video On Demand

VPI

Virtual Path Identifier

VPN

Virtual Private Network

VRRP

Virtual Router Redundancy Protocol

W

WRED

Weighed Random Early Detection

WRR

Weighted Round Robin