mand, 536 connection-reuse sip-ua command, 561 classful routing protocol, 128 Connectivity Management Port (CMP), 280 classful subnetting rules, 652 consult transfers, 541 classifier process, 482-485 Content Switching Modules (CSMs), 231, 246 Classless Internet Domain Routing (CIDR), content-addressable memory (CAM) table, 11 132, 654-656 contexts (ASA) classless routing protocol, 128 admin context, 481 clauses (route maps) cascading, 484 functionality, 198 classifier process, 482-485 types of commands, 199 configuring, 486-488 clear configure access-list command, 424 defined, 481 clear trunk command, 45 interfaces and, 489 clear vtp pruneeligible command, 60 managing, 479-490 clear xlate command, 509 multicontext mode, 470, 480, 482-484 clear-channel DS3 system context, 480 about, 375 types of, 480-481 configuring, 379-381 write memory behavior, 489 framing, 378 control packets, 152 clear-channel T1, 357 converged networks CLI help levels, 278 configuring, 615-617 CME (Call Manager Express) monitoring QoS, 617-620 about, 529 troubleshooting, 620-626 hairpinning calls, 527 convergence, 129 QoS considerations, 536 cooling considerations transfer types supported, 541 chassis-based switches, 17 CMM (Communication Media Module), 249 documenting, 634 CMP (Connectivity Management Port), 280 Coordinated Universal Time (UTC), 691 CO (central office), 344, 355 copy running startup command, 277, 506 CODEC (COder-DECoder), 526 corporate networks, 639-643 cold transfers, 541 CoS (Class of Service) Index functionality, 581 database layer (ecommerce websites), 643 QoS and, 577 DCE (data communication equipment), 394, switches and, 223 voice VLAN and, 336 dCEF (distributed Cisco Express Forwarding), count command (NX-OS), 278 counting to infinity problem, 124 DE frames, 390 CPE (customer premises equipment), 345 debug auto qos command, 338 CRC (Cyclic Redundancy Check), 358 debug ccsip messages command, 563, 570 CRC6 (Cyclic Redundancy Check 6-bit), 363 debug dialpeer command, 569 create cnf-files command, 539 debug frame-relay