Cisco 803-RF - 803 Router Manual de usuario descargar pdf (Pagina 14)

1025

rules for pruning, 697-699

source-based distribution trees,

692-693

steady-state operation and state

refresh messages, 699-700

deny clauses, route maps, 333

designated routers. See DR

designated port (DP), 65

determining, 64-65

designated routers, PIM, 704

designated switches, 64

DHCP, 139-141

DHCP snooping, 761-762

commands, 763

DHCP snooping binding table, 761

Differentiated Services Code Point

(DSCP) ﬁeld, 490-493

DiffServ, RFCs, 512

Diffusing Update Algorithm (DUAL), 245

Digital Signal Level 0 (DS0), 592

direct sequence spread spectrum (DSSS),

788

directed broadcasts, 772-774

disabling

BGP synchronization, 398

CDP and DTP, 754

InARP, 184-185

discard categories, WRED, 539

Discard Eligibility (DE) bit, 493, 615

discarding logic, 540

discovering neighbors, hello messages,

263-264

discretionary PAs, 446

discriminators, multi-exit discriminators,

464

distance command, 324, 394

preventing suboptimal routes, 336

distance router command, 337

Distance Vector Multicast Routing

Protocol (DVMRP), 635, 687, 706

distribute lists versus preﬁx lists and

route maps (BGP), 428-429

distributed coordination function (DCF),

809

distribute-list command, 295-297

distribution list ﬁltering, RIP, 222-224

DIX, Type ﬁelds, 18

DIX Ethernet Version 2, 22

DLCI (Data Link Connection Identiﬁer),

610-611

do command, 182

domains, broadcast domains, 31

downstream routers, 697

DP (designated port), 65

DR (designated routers)

on LANs, 266

election, 268-269

optimizing, 266-268

on WANs, 269

OSPF network types, 269

drop probability bits, 493

DS0 (Digital Signal Level 0), 592

DSCP (Differentiated Services Code

Point) ﬁeld, 490-493

CB Marking tool, 505-507

DSCP-based WRED, 541

DSSS (direct sequence spread spectrum),

788, 818

DTE (data terminal equipment), 594

DTP (Dynamic Trunk Protocol), 45

disabling, 754

DUAL (Diffusing Update Algorithm), 245

dual stacks, IPv6 conﬁguration, 121-123

dual-rate policing, CB Policing

conﬁguration, 577-578

duplex, Ethernet, 9

DVMRP (Distance Vector Multicast

Routing Protocol), 635, 687, 706

dynamic ARP inspection (DAI), 758-761

dynamic ARP inspection (DAI)

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