Index_R

R

RARP (Reverse Address Resolution Protocol), 129, 131, 573

rate queue, 573

RCP (Remote Copy Protocol), 574

Real-time Transport Protocol (RTP), 576

real world scenarios

BRI (Basic Rate Interface), 235

business flexibility, 13

CDP (Cisco Discovery Protocol), 441–442

denial of service (DoS) attacks, 484–485

MAC (media access control) address,135–136

MAC and IP address changes, 135–136

network security, 168

OSI reference model use, 35–36

Quality of Service (QoS), 419–420

route summarization, 278–279

Routing Information Protocol (RIP),326–327

security, 168, 480

Spanning-Tree PortFast, 386–387

switching modes configuration, 88

reconnaissance attacks, 483

Red Hat 7.2, IP v6 use in, 298

redistribution, 574

in OSPF, 375–376

redundancy, 574

in LAN configurations, 200–203

in switch links, 77–78

WAN connections, 203–205

reference models. See also OSI reference model

advantages, 13–14

layered approach, 12–15

physical and logical data movement,14–15, 15

reliability of network, 165

reload, 574

Remote Access and VPN module, 199

security risks, 489

remote address resolution, 133–135, 134

Remote Copy Protocol (RCP), 574

Remote Monitoring (RMON), 438–440

groups, 439–440

Remote Procedure Call (RPC), 21

repeaters, 6, 6–7, 574

and collisions, 70

maximum distance for end nodes with, 106

Request to Send (RTS), 576

Resource Reservation Protocol (RSVP),420–421, 576

retirement, of network, 156

Reverse Address Resolution Protocol (RARP), 129, 131, 573

RFCs (Request for Comments)

760 for IP version 4, 261

791 for class definitions, 261

1058 on RIP, 325

1155 on SNMP, 434

1157 on SNMP, 434

1212 on MIB, 434

1213 on MIB, 434

1247 on OSPF, 357

1723 on RIP, 325

1757 on RMON, 438

1902 on SNMPv2, 434

1903 on SNMPv2, 434

1904 on SNMPv2, 434

1905 on SNMPv2, 435

1906 on SNMPv2, 435

1907 on SNMPv2, 435

1908, 435

1909 on SNMPv2, 434

1918 on filtering guidelines, 484

2574 on SNMPv3, 435

2575 on SNMPv3, 435

2827 on filtering guidelines, 484–485

RFP (request for proposal), 458–459, 574

RIF (Routing Information Field), 574

ring, 574

ring topology, 574

RIP (Routing Information Protocol), 313, 317, 325–326, 574

configuration to advertise network, 327

in Novell IPX protocol suite, 137, 140

real world scenarios, 326–327

turning off auto-summarization for, 279

RMON (Remote Monitoring), 438–440, 575

groups, 439–440

root bridge, 390

for Spanning-Tree Protocol, 84

root port, for Spanning-Tree Protocol, 85

route aggregation. See route summarization

route database, in EIGRP, 334

route poisoning, 321

Route Processor (RP), 576

route summarization, 274, 274–280, 575

10.1.0.0 through 10.7.0.0, 275–276

172.16.16.0 through 172.16.31.0,276–277

192.168.32.0 through 192.168.63.0, 277

applying to Cisco routers, 280

design considerations, 277–280

discontiguous addressing, 278

in OSPF, 374

real world scenarios, 278–279

turning off on routers, 279

route/switch processor (RSP), 576

route tables

in OSPF, 357

for RIP, 325–326

route update process, in IGRP, 330, 330–331

routed protocol, 313, 575

router eigrp command, 341

router ID, for OSPF, 358

router link entry LSA, 361

router ospf command, 369

router priority, for OSPF, 359

routers, 9, 9, 575

addresses, 292–293

and collisions, 70

with distance-vector algorithms, awareness of topology change, 315

evaluating, 165

in hierarchical network, 196

in OSPF

areas to group, 372

changing priority, 368

types, 362

security, 482–483

segmentation with, 71–73

turning route summarization off, 279

for WANs, 11

routing, 575

hierarchical decisions, 260

implementation issues in WAN, 224–225

routing domain, 575

Routing Information Field (RIF), 574

Routing Information Protocol (RIP), 313, 317, 325–326, 574

configuration to advertise network, 327

in Novell IPX protocol suite, 137, 140

real world scenarios, 326–327

turning off auto-summarization for, 279

routing loops, 319–320, 575

preventing in IGRP, 331–332

routing metric, 575

routing protocols, 312, 313–325, 575. See also EIGRP (Enhanced Interior Gateway Routing Protocol); IGRP (Interior Gateway Routing Protocol); Routing Information Protocol (RIP)

exam essentials, 345–346

interior, 317–325

distance-vector protocols, 317–321

link-state routing, 321–324

scalability features, 314–315

Routing Table Maintenance Protocol(RTMP), 317

routing tables, 72, 322, 576

RP (Route Processor), 576

RPC (Remote Procedure Call), 21

RSP (route/switch processor), 576

RSVP (Resource Reservation Protocol),420–421, 576

RTMP (Routing Table MaintenanceProtocol), 317

RTP (Real-time Transport Protocol), 576

RTS (Request to Send), 576