background image
795
convergence issues, 365
conversion, decimal-to-hexadecimal-to-binary
values, 777­785
copy command, 39, 56
copy nvram tftp command, 186­187
copy running-config startup-config command, 187
copy startup-config running-config command, 53
copy startup-config tftp command, 186­187
copy tftp command, 179
copy tftp flash command, 49­50, 697
copying switch configuration files from
TFTP servers, 179
Core layer (WANs), 592­593
counting to infinity, 378­382
courses
BCMSN, xx, 6
BCRAN, 6
BSCN, xx, 6
CID, 7
CIT, 6
DCN, 6
ICND, xx­xxi, 6
CCNA exam strategies after taking course,
14­15
course summary, 11­12
ICRC, CCNA exam strategies after taking
course, 15­16
ITM, 11
versus exams, 7
CRC (cyclical redundancy check), 98
CRLS (Cisco Routing and LAN Switching) course,
See
ICND
CSMA/CD, 95, 135
drawbacks of, 135
shared Ethernet, 135
Ctrl+a key command, 55
Ctrl+b key command, 54
Ctrl+e key command, 55
Ctrl+f key command, 54
Ctrl+n key command, 54
Ctrl+p key command, 54
Ctrl+r key command, 55
Ctrl+z key command, 37
cut-through processing (switches), 152­153, 203
cyclical redundancy check, (CRC), 98
D
D channel (ISDN), 675
data communications equipment (DCE), 531, 599
data flow control,
See
flow control
data-link connection identifier,
See
DLCI
data link layer (OSI reference model Layer 2),
77­78, 113
addressing, 96­98
arbitration, 95­96
encapsulated data, identifying, 98­102
encapsulation, 81, 83­84
error detection, 98
functionality, 94, 102, 116
ISDN specifications, 568
Data Services Unit/Channel Services Unit, (DSU/
CSU), 521, 529, 597
data terminal equipment (DTE), 96
datagrams, 85
See also
packets
data-link connection identifier,
See
DLCI
DCE (data communications equipment), 531, 599
DCN (Designing Cisco Networks), 6
DDR, (dial-on-demand routing), 574­575
connection termination, determining, 586
determining the subset of packets that trigger
dialing, 582­583
dialer profiles configuration method, 580­581
dialing, 583­585
legacy configuration method, 580­581
routing packets out the interface to be dialed,
581
DE (discard eligibility), 531, 600
debug command, 32­34
debug dialer command, 580, 596
debug dialer events command, 589
debug dialer packets command, 589
debug frame-relay command, 552, 597
debug frame-relay events command, 561­562
debug frame-relay lmi command, 559
debug ip icmp command, 281
debug ip igrp event command, 381­382, 417
debug ip igrp events command, 374, 419
debug ip igrp transaction command, 381­382,
417, 673
debug ip igrp transactions command, 374, 419,
666, 687
debug ip igrp transactions command
fmix.fm.4D3 Page 795 Monday, March 20, 2000 5:26 PM