815
Time Exceeded message, 227, 230231
Timestamp message, 228
Type field, 228
TCP, 697
connection establishment/termination,
222224, 320
data transfer, ordered, 218
error recovery, 220221, 320
features of, 217
flow control, 221222
forward acknowledgement, 220
functions of, 224
headers, 217218, 225
multiplexing, 218220
sockets, 218220
versus UDP, 224226, 317
TFTP, 232, 234
versus FTP, 234, 318
UDP, 697
data transer, 224
DNS, 224
functions of, 224226
headers, 225
multiplexing, 224
NFS, 224
versus TCP, 224226, 317
versus OSI and NetWare, 8687
TE1 (Terminal Equipment 1) ISDN function
group, 572
TE2 (Terminal Equipment 2) ISDN function
group, 572
telco, 521, 597
Telnet
router connections, 289292
concurrent, 29
configuration, 29
sessions
IP requirements, 304
resuming, 291
suspending, 289, 291
switch sessions, 289292
telnet command, 289
terminal history size command, 31
terminal ip netmask command, 279
terminal ip netmask-format command, 273, 275, 322
test, See exam
TFTP (Trivial File Transfer Protocol), 232, 234
servers
copying switch configuration files from,
179
saving switch configuration files to, 179
versus FTP, 234, 318
TIA (Telecommunications Industry Association),
529
ticks (metrics), 403
Time Exceeded ICMP message, 227, 230231
Time To Live (TTL), 230, 674
timers (SAP), 487
Timestamp ICMP message, 228
Token Ring, 94
arbitration, 95
encoding, 102, 116
functional addresses, 97
functional MAC addresses, 138
IEEE standards, 143144, 202
IPX encapsulation, 302
MAC address bit order, 139
MAC addresses, 96
online resources, 95
trace command, 230, 273, 322, 375, 419, 654, 657,
671, 692
traffic
IP, filtering, 460462
IPX
displaying statistics on, 304
filtering, 476479
ISDN, defining as interesting, 579
traffic-share balanced command, 395
traffic-share command, 374, 419
traffic-share min command, 395
trailers, 82
Transmission Control Protocol, See TCP
transparent bridging, 145147
transparent mode (VTP), 188, 195196
Transport Control Protocol/Internet Protocol, See
TCP/IP
transport layer (OSI reference model Layer 4), 76,
78, 113
connection-oriented/connectionless protocols,
8789
encapsulation, 81, 83
error recovery, 8991
flow control, 9194
transport layer (OSI reference model Layer 4)
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