Index_C

C

cable, for 100BaseT repeaters, 105

cable range, 529

CAC (connection admission control), 529

call admission control, 529

call center, 492, 529

call priority, 529

call set-up time, 529

Campus Backbone sub-module, 198

Campus functional area, security risks, 489

Campus Infrastructure module, 198

carrier detect (CD), 530

Carrier Sense, Multiple Access with Collision Detect (CSMA/CD), 38, 39

CAS (Channel Associated Signaling), 529

case study introductions

Have-A-Seat, 172–174

MPS Construction, 174–175

Willow Creek School District, 175–177

CBR (constant bit rate), 529

CBWFQ (class based weighted fairqueuing), 530

CCS, 530

CD (carrier detect), 530

CDDI (Copper Distributed DataInterface), 40

CDP (Cisco Discovery Protocol), 441, 530

real world scenarios, 441–442

CDVT (cell delay variation tolerance), 530

CEF (Cisco Express Forwarding), 532

for WANs, 229–230

cell, 530

cell delay variation tolerance (CDVT), 530

cell error ratio (CER), 531

cell loss priority (CLP), 533

cell loss ratio (CLR), 533

cell payload scrambling, 530

cell relay, 530

cell switching, 530

Cell Transfer Delay (CTD), 536

central office (CO), 533

centralized computing environment, 3

Centrex, 492, 531

CER (cell error ratio), 531

CGMP (Cisco Group ManagementProtocol), 82

Challenge Handshake AuthenticationProtocol (CHAP), 531

Channel Associated Signaling (CAS), 529

Channel Interface Processor (CIP), 531

channel service units (CSUs), 11, 536

channelized E1, 531

channelized T1, 531

CHAP (Challenge Handshake Authentication Protocol), 531

checksum, 531

choke packet, 531

CIDR (Classless Interdomain Routing),266, 280–283, 531

Cisco and, 281–282

subnet mask display formats, 282–283

CIP (Channel Interface Processor), 531

CIR (committed information rate), 243,532, 533–534

circuit-switched networks, 220–221

Cisco

document on router security, 483

intrusion-detection devices, 480

Cisco CNS Network Registrar,294–295, 532

Cisco Discovery Protocol (CDP), 441, 530

real world scenarios, 441–442

Cisco Express Forwarding (CEF), 532

for WANs, 229–230

Cisco FRAD (Frame-Relay AccessDevice), 532

Cisco Group Management Protocol(CGMP), 82

Cisco Internetwork Operating System (IOS), 406, 532

access lists, 406–410

compression, 412–413

exam essentials, 421–422

proxy services, 410–412

IP helper addresses, 412

for IPX, 411

proxy ARP, 412

queuing methods, 413–419

custom queuing, 417–418, 418, 536

FIFO (First In First Out), 414, 544

priority queueing, 416–417, 417, 571

traffic shaping, 419, 588

weighted fair queuing, 415,415–416, 416

RSVP (Resource Reservation Protocol), 420–421

Cisco PIX firewall, 480

Cisco routers, applying supernets to, 280

Cisco SAFE (Security Blueprint for Enterprise Networks), 487–490, 576

module concept, 488, 488–490

Cisco Small- to Medium-sized Business Solutions Framework, 153–155, 154

exam essentials, 170

media problems, 154

protocol problems, 154–155

transport problems, 155

CiscoFusion, 153, 532

CiscoView, 532

CiscoWorks2000, 532

class based weighted fair queuing(CBWFQ), 530

classfull, 533

classfull routing, 325

classical IP over ATM, 533

classless, 533

Classless Interdomain Routing (CIDR), 266, 280–283, 531

Cisco and, 281–282

subnet mask display formats, 282–283

classless IP address structure, converting to classes, 261

classless routing, 325

client/server applications, 123

client/server communication, in Novell IPX, 138–139

CLP (cell loss priority), 533

CLR (cell loss ratio), 533

CO (central office), 533

collapsed backbone, 533

collision, 533

collision domain, 70, 533

collision-free, full-duplex Ethernet as, 101

collision window, 88

Committed Burst (Bc), 526

committed information rate (CIR), 243, 532, 533–534

communication servers, 11

community string, 534

compatibility, reference model for, 14

competition, and pilot project design, 463

compression, 412–413, 533

computing environment, centralized, 3

concentrator, 41

confidentiality of data, 482

configuration register, 534

congestion, 23–24, 534

Frame Relay control, 242–243

relieving, 69–73

congestion avoidance, 534

congestion collapse, 534

connection admission control (CAC), 529

connection-oriented, 534

connection-oriented session, 20, 125, 127

establishing, 23

connectionless, 534

connectionless protocol, 126, 127

connectionless session, 20

connectors, for 100BaseT repeaters, 105

constant bit rate (CBR), 529

contention, MAC sublayer and, 32–33

control direct VCC, 534

control distribute VCC, 534

convergence, 535

link-state router handling of, 322–323

time requirements, 315, 317–318

convergence sublayer, in ATM Adaptation layer, 47

Copper Distributed Data Interface (CDDI), 40

core layer, 194–195, 535

Corporate Internet module, security risks, 489

cost, 535

dedicated leased lines vs. circuit-switched, 220

of hierarchical network, 193

link cost, 368

as WAN design criteria, 223–224

count to infinity, 320, 535

CPCS (common part convergencesublayer), 535

CPE (customer premises equipment), 535

crankback, 535

CRC (cyclic redundancy checksum), 31, 535

in store-and-forward switching, 87

CSMA/CD (Carrier Sense, Multiple Access with Collision Detect), 38, 39, 129,535–536

CSU (Channel Service Unit), 536

CSUs/DSUs, for WANs, 11

CTD (Cell Transfer Delay), 536

custom queuing, 417–418, 418, 536

customer premises equipment (CPE), 11, 535

customer requirements, and prototype development, 464

cut-through (real-time), 86

cut-through packet switching, 536

cyclic redundancy checksum (CRC), 31, 535

in store-and-forward switching, 87