Index_I

I

I/O Manager ASIC, 635

IANA (Internet Assigned Numbers Authority), 634

IBGP (Internal Border Gateway Protocol), 374

authentication

configuring, 383–386

verifying, 386

case study, 440–441, 440–441

authentication, 448

design alternatives, 442–444, 443

load-balancing, 455–456

passive mode, 459–460

r1, 444–445, 460–461

r2, 461–463

r3, 463–464

r4, 445–446, 464–466

r5, 446, 466–467

r6, 447–448, 467–469

r7, 469–471

route redistribution, 448–455

route summaries, 456–459

confederations, 402

configuring, 402–413, 403–404

saving, 420

verifying, 413–420

defined, 634

export policy

confederations, 412

r5, 423–424

r6, 422–423

IGP operation for, 154

peering

initial setup, 374–377, 375

policies, 377–383

redistribution policy, 429–432

route reflection, 386–387

configuring, 387–394, 387, 389

verifying, 395–402

summary, 439

timers and knobs, 421–422, 421

load balancing, 422–426

local preferences and communities in, 429–435

passive mode configuration, 427–429

timer modifications, 426–427

troubleshooting, 435–439

ibgp export policy, 412

ICMP (Internet Control Message Protocol), 635

IDE (Integrated Drive Electronics), 634

idle neighbor state

defined, 633

in EBGP, 485

IEEE (Institute of Electronic and Electrical Engineers), 633

IETF (Internet Engineering Task Force), 635

IGMP (Internet Group Management Protocol), 635

ignore-attached-bit option, 314

IGP (Interior Gateway Protocol), 154, 374, 634

IKE (Internet Key Exchange) protocol, 635

ILMI (Integrated Local Management Interface), 89–90, 95–97

IMEI (International Mobile Station Equipment Identity), 634

import policies

in EBGP, 504

community tagging, 517–520

Martian filtering, 511–517, 560–571

route damping, 505–511

in RIP, 216–218

importing routes, 633

IMSI (International Mobile Subscriber Identity) information, 634

IN-ARP (Inverse ARP)

in ATM, 98

in Frame Relay, 80, 82

incoming traffic flow in EBGP, 543–547

inet.0 routing table, 633

inet.1 routing table, 633

inet.2 routing table, 633

inet.3 routing table, 633

inet.4 routing table, 633

inet protocol for unnumbered interfaces, 125

inet6.0 routing table, 633

infinity metric, 633

ingress routers, 633

init adjacency state, 633

insert command, 633

Institute of Electronic and Electrical Engineers (IEEE), 633

Integrated Drive Electronics (IDE), 634

Integrated Local Management Interface (ILMI), 89–90, 95–97

inter-AS routing, 634

intercluster reflection, 634

interdependency in EBGP peering, 481

interface all keyword, 265

interface configurations

aggregated interfaces

Ethernet, 114–117, 114

SONET, 117–119

ATM. See ATM (Asynchronous Transfer Mode)

case study, 129–131, 129

r1, 131–133

r2, 133–136

r3, 136–139

r4, 139–141

r5, 142–145

r6, 146–147

r7, 148

Ethernet. See Ethernet interfaces

leaky bucket rate limiting

configuring, 119–121

verifying, 121–124, 122–123

lo0 interface

configuring, 60–61

verifying, 61–64

POS. See POS(Packet Over SONET) interfaces

summary, 128

unnumbered interfaces, 124–125, 125

configuring, 125–126

verifying, 126

interface costs, 634

interface keyword, 23

interface routes, 634

interface-to-level mappings, 322–323

Interior Gateway Protocol (IGP), 154, 374, 634

Intermediate System-to-Intermediate System. See IS-IS (Intermediate System-to-Intermediate System)

Intermediate Systems (ISs), 634

Internal Border Gateway Protocol. See IBGP (Internal Border Gateway Protocol)

Internal Ethernet, 634

internal timing with POS interfaces, 65

International Mobile Station Equipment Identity (IMEI), 634

International Mobile Subscriber Identity (IMSI) information, 634

International Organization for Standardization (ISO), 634

International Telecommunications Union (ITU), 634

Internet Assigned Numbers Authority (IANA), 634

Internet Control Message Protocol (ICMP), 635

Internet Engineering Task Force (IETF), 635

Internet Group Management Protocol (IGMP), 635

Internet Key Exchange (IKE) protocol, 635

Internet Processor ASIC, 635

Internet Protocol (IP), 635

Internet Protocol Security (IPSec)

defined, 635

in IBGP, 383

Internet routing tables with EBGP, 499

Internet Security Association and Key Management Protocol (ISAKMP), 635

Internet service providers (ISPs), 635

intra-AS routing, 635

Inverse ARP (IN-ARP)

in ATM, 98

in Frame Relay, 80, 82

inverse-arp keyword, 98

IOS prompt, escape sequence for, 6

IP (Internet Protocol), 635

IP addresses

and adjacency, 276

in ATM, 89

for Ethernet interfaces, 102

for loopback interfaces, 60, 62–63

for OoB management network configuration, 8

rename feature for, 127–128

for VRRP, 106

IPCP (IPv4 Control Protocol), 84

IPSec (Internet Protocol Security)

defined, 635

in IBGP, 383

IPv4 Control Protocol (IPCP), 84

IS-IS (Intermediate System-to-Intermediate System), 256

authentication, 278

area 49.0002, 282–283, 286

r3 and r4, 280–282

r5, 278–280

troubleshooting, 283–286

case study, 319–324, 320

authentication, 324–326

OSPF routers, 331–340

priority in, 330–331

r1, 345–347

r2, 347–349

r3, 349–353

r4, 353–356

r5, 356–360

r6, 360–363

r7, 363–365

route redistribution, 328–330

route summarization, 326–328, 340–345

defined, 634

knobs in, 313–316

multi-level. See multi-level IS-IS configuration

network types, 277–278

routing policies

area 49.0003 configuration, 287–290, 287

route leaking, 286–293

route redistribution. See route redistribution

summarization, 286–290, 293–297

summary, 318

ISAKMP (Internet Security Association and Key Management Protocol), 635

ISO (International Organization for Standardization), 634

iso protocol family, 258

ISPs (Internet service providers), 635

ISs (Intermediate Systems), 634

ITU (International Telecommunications Union), 634