Index_R

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R

Radio errors, 143

RADIUS, 327, 328

RAIDs, 65–67

benefits, 65

categories, 65–66

hybrid solutions, 67

Level 0, 65

Level 1, 65

Level 2, 65–66

Level 3, 66

Level 4, 66

Level 5, 66

Level 6, 66

Level 10, 66

Random access memory (RAM), PBX, 153

Real-time network routing (RTNR), 360

Reconfiguration, 58–59

as fault management scheme, 59

mechanisms, 58

Recovery

access failure, 366

options, 58–60

packet data network, 365–66

Redundant arrays of inexpensive disks. See RAIDs

Redundant carrier systems, 357–60

cable, building, signal diversity, 360

digital interface frames (DIFs), 359

network control points (NCPs), 359

power systems, 359

real-time network routing (RTNR), 360

signal transfer points (STPs), 358–59

switching systems, 358

Remote-access dial-in user service (RADIUS), 317

Remote access security, 327–30

callback systems, 328–29

CHAP, 329, 330

link level protocols, 329–30

measures, 327–28

PAP, 329, 330

PPP, 329, 330

RADIUS, 327, 328

See also Security

Remote monitoring. See RMON; RMON2

Reporting requirements, 390–91

information use, 390–91

logs, 391

task time, 390

variables, 390

See also Maintenance and support

Request for proposal (RFP), 343

Residential gateways, 119

Resilient packet ring (RPR), 109

Resource Reservation Protocol (RSVP), 110, 111

Restoration

carrier, services, 361–62

fiber network, 362–65

LEC, services, 366–68

satellite-based, 376–77

T1, 369–73

WAN, planning, 357–80

Ring topology

network availability, 58

network reliability, 56

RMON, 263–67

alarms, 263

alarms group, 266

defined, 263

Ethernet history group, 265

Ethernet statistics group, 264

filter group, 266

history control group, 265

host table group, 265

host top N counters, 265

implementing, 263

notification (event) group, 266–67

packet-capture group, 266

probes, 263

specification, 264

traffic matrix group, 267

See also Simple Network Management Protocol (SNMP)

RMON2, 267–69

defined, 267

enhanced capabilities, 269

functions, 268

traffic flow and, 268

See also Simple Network Management Protocol (SNMP)

Root configuration, 132

Round robin, 70

Round Robin Database (RRD), 280–81

Routers, 106–16

access, 109

backbone, 109

bridges vs., 106

conclusion, 125

consumer-class, 108

defined, 106

MPLS, 115

OSI model and, 107

types of, 108–9

Routing

automatic, 370–71

dynamic, 107

static, 107

types of, 107–8

Routing Information Protocol (RIP), 109, 110

Routing protocols, 109–16

BGP, 110–11

Diff-Serv, 110, 111–12

MPLS, 110, 114–16

OSPF, 109, 110

PIM, 110, 112–14

RIP, 109, 110

RSVP, 110, 111

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