631
ospf auto-cost reference-bandwidth
command, changing bandwidth costs, 143
OSPFv2, 548–550
OSPFv3
address prefixes, 551
authentication, 549
configuring, 552–554
show ipv6 ospf command, 556
show ipv6 ospf database command,
557–559
show ipv6 ospf interface command,
555–556
show ipv6 ospf neighbor
command, 557
IPv6 routing, 548–551
LSA types, 550–551
P
packet headers
IPv4 headers versus IPv6, 525
IPv6
Authentication field, 525
checksums, 525
Destination Address field, 523
Destination options field, 523
ESP (Encapsulating Security Payload)
field, 525
Extension Headers field, 523
Flow Label field, 523, 526
Fragment field, 525
fragmentation, 525
Hop Limit field, 523
Hop-by-Hop options field, 523
IPv4 headers versus, 525
Next Header field, 523
Payload Length field, 523
Routing field, 523
Source Address field, 523
Traffic Class field, 523
Version field, 523
partial-mesh Frame Relay networks, OSPF,
171–172
passive interface command, 336
configuring static routes, 347
EIGRP, 92–93
passive interfaces
redistribution, 336
routing updates, 335–336, 346
passwords (plaintext), authentication of
OSPF, 242
paths
EIGRP topology tables, removing
from, 76
selecting (redistribution), 330
Payload Length field (IPv6 packet
headers), 523
PDU (Protocol Data Units), IS-IS
Hello packets, 256
LSP packets, 257
peer groups (BGP), 415
peers (BGP), 400. See also neighbors
external peering, 419
internal peering, 418
PIM (Protocol Independent
Multicast), 500
bootstrap router method, 505
Dense Mode, 501–502
IGMP, 483
Sparse-Dense Mode, 504–505
configuring RP, 506–507
enabling multicast routing, 506
turning on PIM, 506
verifying multicast routing, 510
verifying neighbors, 508
verifying routes, 507–508
verifying RP, 509
Sparse Mode, 502
version 1, 504–505
version 2, 505
PIM-DM (PIM Dense Mode),
501–502
PIM-SM (PIM Sparse Mode), 502
ping command, troubleshooting
redistribution, 357
ping ipv6 command, verifying IPv6
configuration, 554
plaintext passwords, OSPF, 242
point-to-multipoint networks,
OSPF, 174
point-to-multipoint nonbroadcast OSPF
networks, 169
point-to-multipoint OSPF networks, 169
point-to-point configurations, Integrated
IS-IS over NBMA, 292–293
point-to-point links, Integrated IS-IS
establishing adjacencies, 266
propagating LSP, 268
point-to-point links, Integrated IS-IS

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