Cisco 803-RF - 803 Router Bedienungsanleitung PDF herunterladen (Seite 5)

1016

Step 2 Highest Local Preference

(LOCAL_PREF), 457-458

Step 3 Choose Between Locally

Injected Routes Based on, 458

Step 4 Shortest AS_PATH, 459-463

Step 5 Best ORIGIN PA, 463

Step 6 Smallest Multi-Exit

Discriminator, 464

Step 7 Prefer Neighbor Type eBGP

over iBGP, 466

Step 8 Smallest IGP Metric to the

NEXT_HOP, 466

Step 9 Lowest BGP Router ID of

Advertising Router, 467

Step 10 Lowest Neighbor ID, 467, 469

BGP preﬁxes, 370

BGP route summarization, aggregate-

address command, 429-430

BGP router ID of advertising router, 467

BGP routes, 370

BGP Routing Information Base (RIB),

370

BGP routing policies, 417

BGP synchronization, 395-398

disabling, 398

BGP tables, 370

injecting routes/prefixes, 370

impact of auto-summary on

redistributed routes and,

375-377

network command, 370-371, 373

redistributing from IGP, static or

connected routes, 373-375

manual summaries and AS_PATH,

378-381

routes

adding default routes, 381-382

ORIGIN, 382-383

BGP Update messages, 361

advertising BGP routes to neighbors,

383-384

determining contents of updates,

384-386

impact of decision process and

NEXT_HOP, 386-391

BGP updates

filtering by matching AS_PATHS,

430-431

AS_PATH ﬁlters, 436-439

AS_SET and AS_CONFED_SEQ,

439, 442

BGP AS_PATH and AS_PATH

segment, 431-433

regular expressions, 433-434

rules for routes, 392

bidirectional PIM, 729-730

binary method

exclusive summary routes, 110

inclusive summary routes, 108-109

subnet numbers, broadcast addresses,

range of IP addresses, determining,

98-99, 102-104

binary phase shift (BPSK), 818

binary values, converting to decimal and

hexadecimal values, 955, 959

Bipolar 8 Zero Substitution (B8ZS), 592

Bipolar Violations (BPVs), 593

blocking transitioning to forwarding,

STP, 67-68

blocking state, 61

Spanning Tree, 68

bogons, 774

boot ﬁelds, 859

boot sequences, IOS software, 858-859

boot system command, IOS, 859

boot system ﬂash, 859

boot system ROM, 859

boot system tftp, 860

BGP policies, configuring

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