Wendell odom

Telnet, 90-91, 129, 432-434
terminal history size command, 145, 
149
test etherchannel load-balance EXEC 
command, 255
testing
IPv4 connectivity, 78
LAN neighbors, 425-426
reverse routes, 423-425
WAN neighbors, 427
three-area OSPF (Open Shortest Path 
First), 460
time stamps, 661
timers
Hello/dead mismatches, trouble-
shooting, 512-513
Hello messages, 455
STP, 226-227
TKIP (Temporal Key Integrity 
Protocol), 660-661
topologies
AP noninfrastructure modes, 620-622
STP, 223-225
WLAN, 614-622
traceroute command, 428-432, 587
traffic flows, BSS, 615
trailer fields (Ethernet), 50
transmissions
bidirectional communication, 613
interference, 613
unidirectional communication, 613
unintended recipients, 652
transmitters, communication, 613
transmitting
frames, IP routing, 376
optimizing transmit power, 642
transport input all command, 139
transport input command, 138, 148, 
356
transport input none command, 139
transport input ssh command, 139
transport input telnet ssh command, 
139
transport layer (TCP/IP), 20-22
troubleshooting
EtherChannels, 251-253
Ethernet LAN, 166-168
Hello/dead timers, 512-513
interfaces, 162-168
IP routing
ping command, 419-429
SSH, 432-434
Telnet, 432-434
traceroute command, 428-432
Layer 3 EtherChannels, 413-414
Layer 3 (multilayer) switch SVI, 
404-406
native VLAN, 205
neighbor adjacencies, 510-516
OSPF
9780135792735_book.indb 792
9780135792735_book.indb 792
7/25/19 2:46 PM
7/25/19 2:46 PM

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uWGB (Universal Workgroup Bridges) 793
mismatched MTU settings, 515
mismatched network types, 
515-516
neighbor adjacencies, 510-516
shutting down processes, 
513-514
ping command, 419-429, 587
RID, 511
ROAS, 400-401
SSH, 432-434
static IPv6 routes, 595-598
static routes, 385-386
Telnet, 432-434
traceroute command, 428-432, 587
VLAN, 201-205
trunking
802.1Q, 182
administrative mode, 191
configuration, 191-195
dynamic auto mode, 191
dynamic desirable mode, 191
ISL, 182
overview, 180-181
type of, 191
VLAN
mismatched native VLAN, 205
mismatched trunking operational 
states, 202-203
supported VLAN list on trunks, 
203-205
tagging, 181-182
VTP, 189-190