See wildcard masking
address mapping
Frame Relay networks, 331-332
Static NAT, 256
administrative distance, routing protocols,
101-103
advanced distance vector routing, 100, 122
advertised distance parameter, EIGRP route
determination, 173
AES (Advanced Encryption Standard)
algorithm, IPsec, 311-313
aggregating IPv6 addresses, 277
AH (Authentication Headers) protocol, IPsec,
313
antireplay protection, IPsec, 308
anycast addresses, 274
area authentication command, OSPF
plaintext password authentication, 158
area ID, hello packets, 143
ARP (Address Resolution Protocol), inverse
ARP, 327, 333
assigning IPv6 addresses, 278
DHCPv6 (Stateful) assignments, 279-282
EUI-64 interface ID assignments, 279-280
manual interface ID assignments, 279
stateless autoconfiguration, 279-281
ATM protocol, WAN, 316
authentication
802.X port-based authentication, 73-75
CHAP, WAN, 319-324
EIGRP
key chains, 185-186
MD5 authentication,
188-190, 198-199
verifying, 190-191
IPsec, 308, 312
OSPF, 156-159, 165-166
PAP, WAN, 319-324
WAN, PPP, 319-324
authentication passwords, hello packets, 143
authentication phase (PPP), WAN, PPP
session establishment, 318
autocon?¬?guration (stateless), IPv6 address
assignments, 279-281
autonegotiation, port connectivity, 80
autonomous systems
backbone areas, 118, 141
defining, 99
IANA number assignments, 100
IGP routing
advanced distance vector routing, 100
distance vector routing, 100
link-state routing, 100, 117
OSPF, 141
B
backbone areas (autonomous systems), 118,
141
bandwidth
EtherChannel, 44
routing protocol metrics, 101
BDR IP addresses, hello packets, 143
BECN (Backward Explicit Congestion
Noti?¬?cation), Frame Relay networks, 328
BID (Bridge IDs)
PVST+, 58
STP, 51
blocking port state (bridges), STP, 52-53
bridges
BID
PVST+, 58
STP, 51
root bridges
STP VLAN con?¬?guration, 63
troubleshooting STP, 87
370
STP
BID, 51, 58
blocking port state, 52-53
disabled port state, 52
forwarding port state, 53
listening port state, 52-53
port states, 51
root bridge election, 50
root bridge selection, 51-52
root bridge VLAN con?¬?guration, 63
root port selection on nonroot bridges,
50
troubleshooting, 87
bridging loops, troubleshooting STP, 86
broadband, WAN, 316
broadcast ?¬‚ooding, redundant switchednetwork
topologies, 46
broadcast storms, 45-47, 274
C
cable modems, WAN, 317
Catalyst switches
MSTP, 61
port security, 71-73
PVRST+, 61
PVST+, 61
STP, 63
VLAN
creating, 35
operation of, 23-24
port assignments, 37-38
VTP, troubleshooting, 83
Certicom IPsec client, IPsec SSL VPN, 306
CHAP (Challenge Handshake Authentication
Protocol), WAN authentication, 319-324
CIR (Committed Information Rates), Frame
Relay networks, 327
Cisco Discovery Protocol, switch security, 70
classful pre?¬?x lengths (network ID), 123
classi?¬?cation (ACL), 206-207
classless routing, EIGRP, 172
clear frame-relay inarp command
clearing Frame Relay maps, 347
verifying Frame Relay network
connectivity, 352
clear ip nat translation command,
overloading inside global addresses, 261
client mode (VTP), 28
command history buffer (IOS CLI), 6
commands
global commands, examples of, 5
IOS CLI command review list, 7
major commands list, 6
comments, adding to named/numbered ACL,
238-239
con?¬?dentiality (encryption), IPsec, 308
con?¬?guration modes (IOS Software), 4
exiting, 5
switching between, 6
con?¬?guration revision numbers (VTP), 29
con?¬?gure terminal command, 8
con?¬?guring
ACL, 239
Dynamic ACL, 215-216
limiting router access, 227
named ACL, 233-238
numbered extended IPv4 ACL,
227-233
numbered standard IPv4 ACL,
222-227
re?¬‚exive ACL, 217
time-based ACL, 218-219
EIGRP, 174-181
Ethernet (802.
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