background image
796
debug ip packet command, 273, 279, 322
debug ip rip command, 374, 379, 383, 390­391,
417, 419, 650, 656­657
debug ip rip event command, 656
debug ip rip events command, 649
debug ipx rip activity command, 417
debug ipx routing activity command, 313­314, 407­
408, 648, 657, 665, 686
debug ipx routing command, 304, 322
debug ipx routing event command, 648
debug ipx routing events command, 312, 314
debug ipx sap activity command, 314, 408­409, 417,
648, 657, 664, 685
debug ipx sap command, 304, 322
debug ipx sap event command, 648
debug ipx sap events command, 314, 657
debug isdn q921 command, 580, 596
debug isdn q931 command, 580, 589, 596
debug lapb command, 597
debug ppp command, 597
debugging, disabling, 563
decimal values, converting to hexadecimal and
binary values, 777­785
default route processing, 292­296
delete nvram command, 187
delete vtp command, 188
deny all traffic statement (access lists), 461
deny statements (access lists), 461
designated bridge (Spanning Tree), 161
Designing Cisco Networks (DCN), 6
destination service access point, (DSAP), 99
Destination Unreachable ICMP message, 227­230,
317
devices, icons for, xvii­xx
DF (Don't Fragment) bits, 282
dialer fast-idle command, 586
dialer groups (ISDN), enabling, 579
dialer idle-timeout command, 586
dialer in-band command, 579, 583, 595
dialer load-threshold command, 578, 586
dialer map command, 579, 585, 596
dialer string command, 579, 584, 595
dialer-group command, 579, 583, 595
dialer-list command, 579, 595
dial-on-demand routing,
See
DDR
Diffusing Update Algorithm (DUAL), 361
Dijkstra algorithm, 360
discard eligibility (DE), 531, 600
discontiguous networks, 391
DISL (Dynamic Inter-Switch Link), 191
distance vector routing protocols, 362, 365, 422
CCNA exam coverage, 361
functions of, 374
loop issues, 365
multiple route networks, 418
routing operation, 362­374
distribute lists, 487
Distribution layer (WANs), 592­593
DIX Ethernet, 94
DLCI (data-link connection identifiers), 97, 531,
534­538, 600, 697
defining, 552
mapping to IP/IPX addresses, 543­548, 552
subinterface assignments, 553
DNS (Domain Name System), UDP interaction, 224
domains
broadcast domains, 150, 152
collision domains, 150
VTP, 194
naming, 197
passwords, 197
Don't Fragment (DF) bits, 282
DRAM (dynamic random-access memory), 26
DSAP (destination service access point), 99
DSU/CSU (Data Services Unit/Channel Services
Unit), 521, 529, 597
DTE (data terminal equipment), 96
DUAL (Diffusing Update Algorithm), 361
Dynamic Inter-Switch Link (DISL), 191
dynamic MAC addresses, 182
E
E/1 lines, 521, 598
Echo ICMP message, 228, 232
EGP (Exterior Gateway Protocol), 360
EIA/TIA 232 WAN cabling standard, 529
EIA/TIA 232 WAN interface standard, 599
EIA/TIA 449 WAN cabling standard, 529
EIA/TIA 449 WAN interface standard, 599
EIA/TIA 530 WAN cabling standard, 529
EIA/TIA 530 WAN interface standard, 599
EIGRP (Enhanced IGRP), 361­362, 415, 417
debug ip packet command
fmix.fm.4D3 Page 796 Monday, March 20, 2000 5:26 PM