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D<br />

daemon facility, 163<br />

DAEMON facility code, 163, 164<br />

daemons (Unix), 57<br />

damping action (BGP), 290<br />

Data Encryption Standard (see DES)<br />

Data Link Connection Identifier (DLCI), 231<br />

data link layer, 349, 362<br />

data terminal equipment (DCE), 64, 65<br />

DCD process, 244<br />

DCE (data terminal equipment), 64, 65<br />

dd command, 53<br />

DDoS (distributed denial of service), 72<br />

deactivate command, 244, 378, 412<br />

deactivate traceoptions command, 476<br />

dead interval (OSPF), 387, 409, 414<br />

debugging<br />

BGP, 477, 551<br />

failed commits, 24, 25<br />

IS-IS operations, 379, 380<br />

LDP operations, 500, 501<br />

OSPF operations, 413<br />

PIM, 619–621<br />

RIP, 346, 347<br />

show version detail command and, 56<br />

showing interface status, 195<br />

SONET interfaces, 234<br />

tracing and, 179<br />

DEC (Digital Equipment Corporation), 349<br />

default route (0.0.0.0/0), 246, 267<br />

delete chassis redundancy command, 70<br />

delete command, 5, 207<br />

delete traceoptions command, 380, 475<br />

deleting<br />

comments, 21<br />

crashfiles, 47<br />

deactivating instead of, 244<br />

logfile contents, 170<br />

logfiles, 47, 380, 415<br />

rescue configuration, 42<br />

denial-of-service attacks (see DoS attacks)<br />

dense protocols, 578<br />

deny-commands attribute (TACACS+), 98<br />

deny-configuration attribute (TACACS+), 98<br />

DES (Data Encryption Standard)<br />

cipher block chaining, 107, 109, 133<br />

JUNOS support, 107<br />

overview, 75<br />

plain-text passwords and, 84–86<br />

SNMP and, 154<br />

3DES-CBC encryption, 107, 117<br />

DES-CBC encryption, 107, 109, 133<br />

designated intermediate system (DIS), 351,<br />

365–366<br />

designated router (see DR)<br />

destination addresses, 246, 335<br />

destination-address match term, 304<br />

destination-port match term, 305<br />

destination-prefix-list match term, 304<br />

detail option (show firewall log), 317<br />

DF (don’t fragment) bit, 437<br />

dictionary attacks, 74<br />

Diffie-Hellman scheme, 113, 117<br />

DiffServ TE, 480<br />

digital certificates, 121–127<br />

Digital Equipment Corporation (DEC), 349<br />

digital signature, 125<br />

Dijkstra shortest-path first (SPF), 349, 382,<br />

387<br />

directed broadcasts, 73<br />

directories (see specific filesystems)<br />

DIS (designated intermediate system), 351,<br />

365–366<br />

disallowed keyword, 273<br />

disaster recovery, 52, 53<br />

discard action, 306<br />

discretionary attributes (BGP), 420<br />

display inheritance command, 63<br />

display set command, 19<br />

distance-vector algorithm, 332, 418<br />

Distance-Vector Multicast Routing Protocol<br />

(DVMRP), 179, 285, 578, 579<br />

distributed denial of service (DDoS), 72<br />

distribution trees, 577<br />

DLCI (Data Link Connection Identifier), 231<br />

DNS name servers<br />

address spoofing, 266<br />

firewall filters, 99, 139, 321, 323<br />

IP addresses, 14, 16<br />

prefix lists, 292<br />

documentation<br />

CLI, 9<br />

JUNOS software, 56<br />

domains<br />

connecting, 607–617<br />

EGPs and, 418<br />

OSPF and, 382<br />

don’t fragment (DF) bit, 437<br />

DoS (denial-of-service) attacks<br />

blackholing routes and, 265<br />

firewall filters and, 268, 319<br />

nonconfigurable interfaces and, 242<br />

RPF and, 266<br />

dot (.), 29, 131<br />

Index | 629<br />

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

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

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