28.06.2014 Views

Discussion

Discussion

Discussion

SHOW MORE
SHOW LESS

Create successful ePaper yourself

Turn your PDF publications into a flip-book with our unique Google optimized e-Paper software.

determining software versions, 54–58<br />

emergency boot disks, 53<br />

gathering hardware information, 58–60<br />

logging and, 162, 165<br />

management interfaces and, 14, 214, 215<br />

PIC slots, 192<br />

upgrading software versions, 49–51, 70<br />

usage, 1<br />

mtrace command, 3<br />

MTU (Maximum Transmission Unit)<br />

hold-time expired errors and, 437<br />

IS-IS, 356<br />

OSPF, 387<br />

SONET, 234<br />

viewing interface status, 197<br />

MULTI_EXIT_DESC attribute (BGP), 421<br />

Multicast Backbone (MBONE), 578<br />

multicast groups, 576, 613<br />

multicast routes, 599–601<br />

Multicast Source Discovery Protocol (see<br />

MSDP)<br />

multihop, 419<br />

multipath BGP, 471–475<br />

Multiprotocol BGP (MBGP), 420, 579,<br />

607–617<br />

Multiprotocol Label Switching (see MPLS)<br />

N<br />

NAT (Network Address Translation), 117,<br />

191<br />

NBMA networks, 385<br />

negation operation, 306<br />

NET selector (NSEL), 350<br />

NETs (network entity titles)<br />

defined, 350<br />

lo0 interface and, 351, 352, 356<br />

netstat –rn command (FreeBSD), 261<br />

Network Address Translation (NAT), 117,<br />

191<br />

network entity titles (see NETs)<br />

network layer, 480<br />

network permission bit, 89–91<br />

Network Time Protocol (see NTP)<br />

next policy action, 288, 299<br />

next term action, 288, 299, 300, 306<br />

NEXT_HOP attribute (BGP)<br />

adjusting, 439<br />

configuring BGP sessions, 430<br />

description, 421<br />

NIST time signal radio station, 181<br />

NMS systems<br />

access control and, 137–140, 153, 154<br />

community strings, 133<br />

configuring SNMP, 133, 134, 153<br />

firewall filters, 321, 323<br />

logging router access, 147<br />

management interface, 213<br />

MIBs and, 133<br />

more information, 130<br />

setting traps, 136, 157, 158<br />

SNMP managers and, 130<br />

snmpwalk command, 141<br />

NO_ADVERTISE attribute (BGP), 422, 467<br />

NO_EXPORT attribute (BGP), 422, 467,<br />

468<br />

NO_EXPORT_SUBCONFED attribute<br />

(BGP), 467<br />

nodes (see routers)<br />

nonrevertive mode, 237<br />

nontransitive attributes (BGP), 420<br />

normal preemption, 506<br />

Norton Ghost utility, 53<br />

Notification messages (BGP), 437<br />

notifications<br />

SNMP, 130, 136<br />

traps, 158, 159<br />

NOTIFICATION-TYPE string, 137<br />

not-so-stubby areas (NSSAs), 384, 399–401<br />

NSEL (NET selector), 350<br />

NSSAs (not-so-stubby areas), 384, 399–401<br />

NTP (Network Time Protocol)<br />

authenticating, 187–188<br />

checking status, 189–190<br />

configuring time, 181<br />

firewall filters, 322<br />

loopback addresses, 203<br />

prefix lists, 292<br />

protecting Routing Engines, 327–329<br />

router configuration, 16<br />

setting time zone, 183, 184<br />

setting time/date manually, 182<br />

synchronizing time periodically, 185–187<br />

synchronizing time when booting, 184,<br />

185<br />

NTP facility code, 163<br />

NTP hops, 181<br />

ntpd utility (FreeBSD), 182<br />

ntpdate utility, 185<br />

ntpq –p utility (FreeBSD), 189<br />

Index | 641<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!