28.06.2014 Views

Discussion

Discussion

Discussion

SHOW MORE
SHOW LESS

You also want an ePaper? Increase the reach of your titles

YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.

BGP (Border Gateway Protocol) (continued)<br />

configuring sessions, 422–431<br />

counting traffic, 315<br />

debugging, 477, 551<br />

default routing policy actions, 285<br />

filtering unallocated prefix blocks, 295<br />

firewall filters, 99, 139, 312, 313, 320<br />

graceful restart, 278<br />

IP routing, 246, 247, 250<br />

IPSec and, 107<br />

load-balancing traffic flow, 271, 471–475<br />

LOCAL_PREF attribute, 440–441<br />

MPLS and, 479, 503<br />

overview, 418–420<br />

prepending AS numbers to path, 443–444<br />

protecting Routing Engines, 328, 329<br />

removing private AS numbers, 441, 442<br />

restricting routes advertised, 448–450<br />

route flap damping, 457–465<br />

routes based on AS paths, 445–448<br />

Routing Engines and, 323<br />

routing tables and, 369, 546<br />

setting up route reflectors, 452–457<br />

TCP session problems, 436–438<br />

tracing and, 179, 475–478<br />

unicast routes, 546<br />

VFR target, 553<br />

VPNs and, 552, 559<br />

bgp.l3vpn.0 routing table, 554–555, 559,<br />

566<br />

Bidirectional Forwarding Protocol<br />

(BFD), 376, 410<br />

binary-coded decimal (BCD), 350<br />

Bit Error Rate Test (BERT), 192, 229–231<br />

bit patterns, BERT tests, 229–231<br />

bogons<br />

defined, 295, 467<br />

filtering, 467<br />

RPFs and, 267<br />

Team Cymru, 296, 471<br />

boot disks, 52–53<br />

booting<br />

backup routers and, 14<br />

synchronizing time and, 184, 185<br />

Bootstrap messages, 591, 592, 607, 621<br />

bootstrap router (BSR), 584, 589–591<br />

Border Gateway Protocol (see BGP)<br />

braces as delimiters, 6<br />

broadcast traffic, 576<br />

brute force attacks, 74, 99<br />

BSR (bootstrap router), 584, 589–591<br />

bypass-routing option (ping), 227<br />

C<br />

CA (certificate authority), 121–127<br />

candidate configuration<br />

committing changes and, 23<br />

copying, 34<br />

defined, 22<br />

rollback command and, 41<br />

CBC (cipher block chaining), 107<br />

CBC-DES encryption (see DES-CBC<br />

encryption)<br />

CCITT standards, 233<br />

CE (customer edge) routers<br />

adding VPNs, 568, 570, 571<br />

description, 553<br />

ping command, 562<br />

VPNs and, 554, 555, 568<br />

certificate authority (CA), 121–127<br />

/cf/var/log directory<br />

BGP traffic problems, 476<br />

logging and, 162, 165<br />

tracing IS-IS traffic, 379<br />

tracing OSPF traffic, 413<br />

tracing RSVP operations, 548<br />

CHANGE facility code, 163<br />

change-log facility, 163, 174<br />

chassis keyword, 137<br />

chassis MIB, 145, 146, 148, 149<br />

chassisd process, 185<br />

CHASSISD_SNMP_TRAP identifier, 148<br />

chiming (see synchronizing time)<br />

CIDR (Classless Interdomain Routing), 248,<br />

332, 333<br />

cipher block chaining (CBC), 107<br />

classful addresses, 248<br />

classful routing, 333<br />

classless addresses, 248<br />

Classless Interdomain Routing (CIDR), 248,<br />

332, 333<br />

class-of-service (CoS) queues, 198<br />

clear bgp neighbor command, 450<br />

clear command, 3, 89, 94<br />

clear log command, 170<br />

clear permission bit, 89–91<br />

clear system commit command, 38, 39, 94<br />

clear system reboot command, 94<br />

CLI (command-line interface)<br />

configuring routers from, 17<br />

displaying previous command, 289<br />

encrypted passwords and, 499<br />

identifying modes, 2–7<br />

online help, 7, 309<br />

routers and, 1, 7–10<br />

626 | Index<br />

This is the Title of the Book, eMatter Edition<br />

Copyright © 2008 O’Reilly & Associates, Inc. All rights reserved.

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!