T

T1 and T3 leased lines, 53

TACACS+, 257-59, 265

attributes, 278-81

TCP (Transmission Control Protocol)

establishing connection, 64

segment format, 63-64

windowing, 65-66

TCP/IP (Transmission Control Protocol/Internet Protocol), 8, 13, 55-61, 91

vs. UDP as transport protocols, 57-59

messaging, 57

networks, 111

Telecom link, 12

Telnet, 38, 99, 102-3

TFTP (Trivial File Transfer Protocol), 132-34, 241

Thicknet, 189

Time-division multiplexing (TDM), 53, 383

Token domains, 194-95

Token passing, 194

Token Ring, 36, 42-44, 193, 194

Token-Card, 264

Topologies

in internetworking, 12-13

defined, 189

design factors, 193

global addresses to hide, using, 297

meshing, 586-88

network, 189-204

star, 42

star-hierarchy, 191, 192

view, 224-25

Total IP telephony, 383

Traffic flow, 592-94

Traffic load, 594-95

Traffic-based security, 246

Transmission Control Protocol (TCP), 294

Transport, 56

layer, 61-66

Trivial File Transfer Protocol (TFTP), 58

Troubleshooting, 618-61

Trunking, 425-26

Trunks, 48

WAN (wide area network), 17, 18, 52-54

Trusted network, 289

Tunneling, 327-29

Twisted-pair cabling, 197

specifications of, 200