Index_A

A

A&B bit signaling, 518

AAL (ATM Adaptation Layer), 518

AAL1 (ATM Adaptation Layer 1), 518

AAL2 (ATM Adaptation Layer 2), 518

AAL3/4 (ATM Adaptation Layer 3/4), 518

AAL5 (ATM Adaptation Layer 5), 518

AARP (AppleTalk Address Resolution Protocol), 518

AARP probe packets, 519

ABM (Asynchronous Balanced Mode),232, 519

ABR (area border router), 519

in OSPF, 362, 374

Abstract Syntax Notation (AS.1), 18

access control, 486

access layer, 519

in hierarchical network, 196–197

access links, 96, 97

access lists, 481, 519

in Cisco IOS, 406–410

access method, 519

access server, 519

acknowledgments of data receipt, 25, 519

ACR (allowed cell rate), 519

active monitor on Token Ring network,45, 519

active router in HSRP, 202

activity management, 20

address mapping, 520

Address Mapping group in RMON, 440

address mask, 520

address resolution, 131–135, 520

ARP cache, 133

local, 131–132, 132

remote, 133–135, 134

Address Resolution Protocol (ARP),128–129, 131, 522

Address Translation Gateway (ATG), 523

addresses, physical vs. logical, 130–131

addressing scheme, 256. See also IP addresses

adjacency, 335, 520

adjacency database

for NLSP, 377

in OSPF, 357

adjacency table, 229

administrative data, for networkevaluation, 157–158

administrative distance, 520

administrative weight, 520

ADSL (asymmetric DSL), 243–244

ADSU (ATM Data Service Unit), 520

advertised distances, 337–338

advertising, 520

AEP (AppleTalk Echo Protocol), 520

AFI (authority and format identifier), 520

AFP (AppleTalk Filing Protocol), 520

AIP (ATM interface processor), 521

Alarm group in RMON, 439

algorithm, 521

alignment error, 521

all-hosts multicast, IP v6 and, 296

all-rings explorer packet, 391

all-routes explorer packet, 391, 521

allowed cell rate (ACR), 519

alternate mark inversion (AMI), 521

AM (amplitude modulation), 521

American Standard Code for Information Interchange (ASCII), 523

American Standards Institute (ANSI), 40

AMI (alternate mark inversion), 521

amplitude, 521

amplitude modulation (AM), 521

analog transmission, 491, 521

ANSI (American National StandardsInstitute), 40, 521

anycast, 521

appendixes, in design document, 461–462

AppleTalk, 522

EIGRP configuration for, 344

AppleTalk Control Protocol (ATCP), 523

AppleTalk Echo Protocol (AEP), 520

AppleTalk Filing Protocol (AFP), 520

AppleTalk Remote Access (ARA), 522

AppleTalk Session Protocol (ASP), 21, 523

AppleTalk Transaction Protocol (ATP), 524

AppleTalk Update-based Routing Protocol (AURP), 525

Application layer (OSI), 17–18, 522

Application Layer Host group inRMON, 440

Application Layer Matrix group inRMON, 440

application-specific integrated circuit, 523

applications

evaluating network needs andexpectations, 169

and network evaluation, 162–163

traffic type as WAN design criteria, 224

ARA (AppleTalk Remote Access), 522

area border router (ABR), 519

in OSPF, 362, 374

area command, 374

areas, 522

identification for OSPF, 359

for NLSP, 377

ARM (asynchronous response mode),232, 522

ARP (Address Resolution Protocol),128–129, 131, 522

ARP cache, 131, 133

AS (autonomous system), 314

ASBR (autonomous system boundaryrouter), 522

in OSPF, 362, 374

ASCII (American Standard Code for Information Interchange), 523

ASN.1 (Abstract Syntax Notation 1), 18, 523

ASP (AppleTalk Session Protocol), 21, 523

AST (Automatic Spanning Tree), 523

asymmetric DSL (ADSL), 243–244

Asynchronous Balanced Mode (ABM),232, 519

asynchronous response mode (ARM), 232, 522

Asynchronous Time-Division Multiplexing (ATDM), 523

asynchronous transfer mode (ATM), 524

switches, 10

asynchronous transmission, 523

ATCP (AppleTalk Control Protocol), 523

ATDM (Asynchronous Time-Division Multiplexing), 523

ATG (Address Translation Gateway), 523

ATM (asynchronous transfer mode), 524

ATM ARP server, 524

ATM Data Service Unit (ADSU), 520

ATM endpoint, 524

ATM Forum, 524

ATM protocol, 45–48

ATM Adaptation layer (AAL), 47, 518

ATM layer, 46–47, 524

ATM Physical layer, 45–46

ATM switches, 10

for WANs, 11

ATM user-user connection, 524

ATMM (ATM Management), 524

ATP (AppleTalk Transaction Protocol), 524

attenuation, 6–7, 524

AURP (AppleTalk Update-based Routing Protocol), 525

AURP tunnel, 525

AuthNoPriv message (SNMP), 437

authority and format identifier (AFI), 520

authority zone, 525

AuthPriv message (SNMP), 437

automatic call reconnect, 525

Automatic Spanning Tree (AST), 523

automatic tunneling, 297

autonomous confederation, 525

autonomous switching, 525

for WANs, 226–227

autonomous system (AS), 314, 525

autonomous system boundary router(ASBR), 522

in OSPF, 362, 374

autonomous system entry LSA, 361

autoreconfiguration, 525

availability, as WAN design criteria, 223