Wendell odom

authentication. 
See also
 security
AP, 654
AS, 658
clients, 653
EAP, 657-658
EAP-FAST, 659
EAP-TLS, 660
external authentication servers, 
135-136
LEAP, 659
open authentication, 656
PEAP, 659
web (WebAuth), 657
WEP, 657
WLAN, 682
WLC, 642
WPA, 662-663
WPA2, 662-663
WPA3, 662-663
authenticators, 658
auto-cost reference-bandwidth 
command, 493, 496
auto-mdix, 45
autonegotiation, 158-162
autonomous AP (Access Points), 
634-635, 638
autonomous architectures, 634-635, 
638
autonomous systems. 
See 
AS
auxiliary ports (routers), 362
B
backbone areas, 460-461
backbone routers, 461
backup ports, 230, 233
bandwidth
frequencies, 626-627
reference, 492
router serial interfaces, 361
bandwidth command, 492, 496
Basic Service Areas. 
See 
BSA
Basic Service Sets. 
See 
BSS
BDR (Backup DR), 456-457, 504-506
Bellman-Ford protocols. 
See 
distance 
vector protocols
Berners-Lee, Tim, 20
BGP (Border Gateway Protocol), 445
BIA (Burned-In Addresses), 52
BID (Bridge ID)
STP, 218-219
system ID extensions, 243-244
bidirectional communication, 613
binary/hexadecimal conversion chart 
(IPv6), 531
binary masks, 304-308
binary subnet analysis, 326
binary practice problems, 328-329
Boolean math, 331
finding
range of addresses, 331
subnet ID, 327
shortcut for binary process, 330
blocking state, interfaces, 215-217
blueprint (networking), 16
Boolean AND, 331
Boolean math, 331
Boolean OR, 331
borrowing host bits to create subnet 
bits, 280-281
BPDU (Bridge Protocol Data Units), 
218, 225
BPDU Guard, 236
BPDU tunneling, 247
bridge ID. 
See 
BID
Bridge mode (AP), 647
bridges. 
See 
switches
bridging tables. 
See 
MAC address 
tables
broadcast addresses, 50-52, 325-327
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classful IP networks 761
broadcast network type (OSPF), 
500-506
broadcast storms, 213-215
BSA (Basic Service Areas), 614
BSS (Basic Service Sets), 614-618, 629
AP, 614
associations, 615
BSSID, 615
DS, 616-618
IBSS, 619
stations, 615
traffic flows, 615
burned-in MAC addresses, 218
C
CA (Certificate Authorities), 659
cables
CLI, cabling console connections, 
88-90
enterprise networks, 351
Ethernet, 35
fiber-optic cabling, 38, 46-49
IP telephony, 197
leased-line cabling, 62-63
physical console connections, 88-90
pinouts
rollover pinouts, 89
straight-through cable pinout, 
42-45
UTP, 37-46, 49
caches (ARP), 77
CAM (Content-Addressable Memory) 
tables. 
See 
MAC address tables
candidate default routes, 384
CAPWAP (Control and Provisioning 
of Wireless Access Points) tunneling 
protocol, 639-640
carrier sense multiple access with col-
lision detection (CSMA/CD), 55
CCMP (Counter/CBC-MAC Protocol), 
661
cells. 
See 
BSA
centralized architectures, 642-643
centralized controllers
dynamic interfaces, creating, 678
RADIUS servers, configuration, 676
WLAN security, 682
certificate authorities. 
See 
CA
CFN (Cisco Feature Navigator), 404
channel-group command, 248-249, 
259
EtherChannels, 416
Layer 3 EtherChannels, trouble-
shooting, 413
channel-group number mode on 
command, 411
channels, 627
dynamic assignment, 642
nonoverlapping, 628
CIDR (Classless Interdomain Routing), 
subnet masks, 305
circuits. 
See 
leased-line WAN
Cisco Binary Game, 306
Cisco Catalyst switches, 86
Cisco integrated services routers, 352
cladding (fiber-optic cable), 47
Class A networks, 290-295, 312
Class B networks, 290-293, 312
Class C networks, 290-295, 312
Class D networks, 290
Class E networks, 290
classful IP addresses, 312-313
classful IP networks, 289, 296-297
address formats, 291-292
before subnetting, 279-280
calculating hosts per network, 293
classes in, 290-291
default masks, 292
network ID, 293-295
number of, 291
octet values, 290
size of, 291
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762 classful IP networks
subnet masks, 302
unusual addresses, 295