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IANA (Internet Assigned Numbers Authority), IP addresses for private networks, 283
IBM, Systems Network Architecture (SNA), 3
ICD (International Code Designator), 549–550
ICMP (Internet Control Message Protocol), 135, 550
IDS (Intrusion Detection System), 552
IDSL (ISDN DSL), 244
IEEE (Institute of Electrical and Electronics Engineers), 550
IEEE 802.10, 99
IEEE 802.1D, 84, 389, 550
IEEE 802.1q, 98
IEEE 802.2, 232
IEEE 802.3, 30, 38–40, 550
IEEE 802.3u, 103
IEEE 802.5, 43, 390, 550
IGMP (Internet Group Management Protocol), 82, 550
IGP (Interior Gateway Protocol), 550
IGRP (Interior Gateway Routing Protocol), 313, 317, 327–332, 550
features, 327–328
route update process, 330, 330–331
routes, 328–331, 329
routing loop prevention, 331–332
timers, 328
ILMI (Integrated Local Management Interface), 550
implementation, in PDIOO methodology, 156
in-band environment, 486–487
in-band management, 551
inbound packets, 409
incremental update command, 343–344
industry standard management technologies, benefits, 433
inelastic traffic, 420
infinite, 321
InformRequest message (SNMP), 437
Institute of Electrical and Electronics Engineers (IEEE), 550
insured burst, 551
Integrated Local Management Interface (ILMI), 550
Integrated Services Digital Network (ISDN), 34, 232–236, 554
integrity of data, 482
Inter-Switch Link (ISL) protocol, 99–100
interactive voice response (IVR), 492, 551
interarea routing, 551
interface loopback command, 369
interface processor, 551
Interior Gateway Protocol (IGP), 550
Interior Gateway Routing Protocol (IGRP), 313, 317, 327–332, 550
interior routes, in IGRP, 328
Intermediate System-to-System (IS-IS), 313, 317, 325, 378–382, 379, 554
configuration on Cisco routers, 379–382
enabling and assigning areas, 380–382
internal routers, in OSPF, 362, 369–371
International Code Designator (ICD), 549–550
International Standards Organization (ISO), 11. See also OSI reference model
network management model, 442–443
Internet, 221, 551
internet, 551
Internet Assigned Numbers Authority (IANA), IP addresses for private networks, 283
Internet Connectivity module, 199
Internet Control Message Protocol (ICMP), 135, 550
Internet Group Management Protocol (IGMP), 82, 550
Internet layer (DOD), 121–122
protocols, 127–129
Internet navigation, Application layer for, 18
Internet Protocol (IP), 128, 551
EIGRP configuration for, 341–342
Internet Service Provider module, 200
Internetwork Packet Exchange (IPX).See Novell IPX (Internetwork Packet Exchange)
internetworking, 551
evolution, 3–4
internetworks, 4–5, 551. See also networks
communicating through, 28
intra-area routing, 552
link-state databases for, 378
intrusion-detection devices, 480, 486
Intrusion Detection System (IDS), 552
invalid timers, in IGRP, 328
Inverse ARP (Inverse Address Resolution Protocol), 552
IOS. See Cisco Internetwork OperatingSystem (IOS)
IOS Network Management Model, 552
IP (Internet Protocol), 128, 551, 552
EIGRP configuration for, 341–342
IP addresses, 127
design considerations, 292–299
Cisco CNS Network Registrar,294–295
IPX considerations, 298–299
router addresses, 292–293
server addresses, 294
exam essentials, 301
extending, 256–274
variable-length subnet mask (VLSM), 258, 258–262
hierarchical structure, 259
IP v4 addresses, 258, 552–553
migration to IPv6, 297
IP v6 addresses, 295–296, 553
design considerations, 295–296
migration, 296–297
obtaining and testing, real world scenarios, 298
private, 283–290
real world scenarios, 135–136
router filtering of, 9
in VLSM implementation, 264
IP Control Protocol (IPCP), 553
ip forward protocol, 553
ip helper address, 553
ip helper-address command, 288, 288–290
forwarded ports, 289–290
multiple server example, 289
single server example, 288
ip-helper command, 289–290
IP multicast, 553
ip ospf command, 368
ip ospf priority command, 368
ip sap-incremental eigrp command, 344
IP Security (IPSec), 553–554
IP telephony, 493–494
ip unnumbered command, 284–286, 552
IPCP (IP Control Protocol), 553
IPSec (IP Security), 553–554
IPX (Internetwork Packet Exchange).See Novell IPX (Internetwork Packet Exchange)
IPX addressing, 298–299, 554
IPX Control Protocol (IPXCP), 554
IPX network 7C80, 141
ipx router command, 342
IPXCP (IPX Control Protocol), 554
IPXWAN protocol, 554
IS-IS (Intermediate System-to-System), 313, 317, 325, 378–382, 379, 554
configuration on Cisco routers, 379–382
enabling and assigning areas, 380–382
exam essentials, 393–394
is-type command, 380
ISDN (Integrated Services Digital Network), 34, 232–236, 554
BRI (Basic Rate Interface), 234, 527
uses, 235
DDR (Dial-On-Demand Routing), 205, 236, 537
in case study, 509
PRI (Primary Rate Interface), 235, 571
protocols, 233
reference points, 233
switch types, 234
terminals, 233
ISDN dial-on-demand, for ISPconnection, 326
ISDN DSL (IDSL), 244
isis password command, 381
ISL (Inter-Switch Link) protocol, 99–100
ISO (International Standards Organization), 11. See also OSI reference model
isochronous transmission, 554
isolation LAN, 480–481, 554
ISP (Internet service provider), ISDN dial-on- demand for connection, 326
ITU-T (International Telecommunication Union Telecommunication Standardization Sector), 554
IVR (interactive voice response), 492, 551
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