10Base2 (Ethernet), 135137
10Base5 (Ethernet), 135137
10BaseT (Ethernet)
half-duplex, 135137
ports, numbering, 179
4-wire circuits, 521, 597
802.10 tagging (VLANs), 177, 205
802.1Q tagging (VLANs), 175, 177, 205
access links (Frame Relay), 531, 599
access lists, 455
deny all traffic, 461
deny statements, 461
displaying details for all protocols, 460
extended IP, 460, 466472, 476
matching options, 467
matching parameters, 495, 497
protocol types, 485
socket parameter, 485
functionality of, 460
named IP, 472475
named IPX, 490493
permit statements, 461
SAP filters, 487490
matching parameters, 490, 498
planning, 675680
verifying operation, 696
versus IPX packet filters, 489
controlling vty port access, 475476
displaying details of, 460
matching options, 466
matching parameters, 495
planning, 675680
matching parameters, 484, 497
access-class command, 476, 494
accessing CLI, 2829
access-list command, 460, 477, 491, 494, 496
ACK field (TCP connection establishment), 223
acknowledgement numbers (error recovery), 89
active configuration file (IOS), 39
Address Mask Request/Reply ICMP message, 228
address violations (switch ports), 185
addresses
AppleTalk addresses
structure, 109, 117
burned-in addresses, 97
Frame Relay DLCIs, 531, 534538, 600
IP addresses, 235, 315
calculating assignable addresses in a
Class B networks, 236237, 239
Class C networks, 236237, 239
displaying, 178
displaying for neighboring routers, 696
format, 240
format with subnetting, 320
Frame Relay full mesh networks, 539
Frame Relay hybrid full/partial mesh