background image
801
IOS (Internetwork Operating System), 26
CLI, 21, 177
accessing, 28­29
configuration mode, 34­35, 37, 56
configuration modes, moving between, 35
console configuration mode, 35
navigating, 30­34
password configuration, 54
privileged EXEC mode, 34, 37, 56
router versus switch, 187
setup mode, 40­45
user EXEC mode, 34, 56
configuration file
active, 39
copying between RAM, NVRAM, and
TFTP, 39­45
erasing from NVRAM, 40
example, 37­38
managing, 39­45
moving between RAM, NVRAM, and
TFTP, 56
saving, 674
startup, 39
storing, 39
updating, 35
upgrading, 697
viewing, 40, 57
distribute lists, 487
image files, 48
determining which to load, 50­53
upgrading into Flash memory, 48­50
moving between configuration modes, 674
privileged EXEC mode, 29­30
routers, interactions with, 26
syslog, 32­34
user EXEC mode, 29­30
IP
access lists, extended, 460, 466­472, 476
displaying details of, 460
filtering logic, 461
matching options, 467
matching parameters, 495
access lists, named, 472­475
access lists, standard, 460, 462­465, 476
configuration, 646­647
controlling vty port access, 475­476
displaying details of, 460
filtering logic, 461
matching options, 466
matching parameters, 495
planning, 675­680
addresses, 117, 235, 315
calculating, 429­435, 449­450
calculating assignable addresses in a
network/subnet, 258­259
Class A networks, 236­237, 239
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
networks, 540­541
Frame Relay partial mesh networks,
539­540
Frame Relay subinterfaces, 284­286
grouping, 107
host portion, 236, 239­240, 316
hostnames, displaying, 273
interfaces, displaying, 273
mapping to Frame Relay DLCIs,
543­548, 552
naming, 288­289
network masks, 236, 315
network portion, 236, 239­240, 316
planning, 675­680
prefix notation, 269
Private Addressing, 269­270
secondary addresses, 283­284
setting, 178
structure, 108
subnet masks, 236, 316
subnet portion, 236, 239­240, 244, 316
translating for invalid hosts with NAT,
270­272
wildcard masks, 462­463
ARP cache, displaying, 273
CIDR, 267­269
configuration, 180, 182, 272­283, 426­429,
444­449, 662­664
connectivity, verifying, 696
headers (TTL field), 230
IP
fmix.fm.4D3 Page 801 Monday, March 20, 2000 5:26 PM