Wendell odom

encapsulation command, 397-398
encapsulation dot1q command, 415
encapsulation dot1q vlan_id command, 
397, 401
encoding schemes, 39
encryption (data), 655
end command, 104, 355
end-user perspectives on networking, 
14-15
enterprise LAN (Local Area Networks), 
36-37
enterprise mode (WPA), 663
enterprise networks, 15, 268, 350-352
enterprise routers, 350-353
EoMPLS (Ethernet over MPLS), 66
erase nvram command, 104
erase startup-config command, 104, 
117
erasing switch configuration files, 102
errors
detection, FCS field, 53
TCP error recovery rates, 21
ESS (Extended Service Sets), 618
EtherChannel, 234, 407
configuration, 247-257
dynamic EtherChannels, 250-251
Layer 3 EtherChannels, 392, 410-414
load distribution, 253-257
manual Layer 2 EtherChannels, 
248-250
troubleshooting, 251-253
Ethernet, 26
addresses, 52
cables, 35
E-Line, 66
emulation, 66-68
EoMPLS, 66
GBIC, 42
IPv6 static routes over Ethernet links, 
591
LAN. 
See also
subnets
enterprise LAN, 36-37
enterprise networks, 350
Ethernet addressing, 50-52
Ethernet data link protocols, 
38-50
Ethernet frames, 38
Ethernet physical layer 
standards, 37
Ethernet ports, 40
9780135792735_book.indb 768
9780135792735_book.indb 768
7/25/19 2:45 PM
7/25/19 2:45 PM

---

frames 769
Ethernet Type field, 52
FCS field, 53
full-duplex logic, 53-56
half-duplex logic, 54-56
overview, 32-34
SOHO LAN, 35
switches, 35, 106-124, 152-162
troubleshooting, 162-168
UTP cables, 37-46, 49
VLAN, 179-205
links, 40
OSPF
Ethernet links, 456-457
Ethernet WAN, 506-508
point-to-point, 56
shared media, 56
switches, fiber-optic cables, 48
WAN
enterprise networks, 350
EoMPLS, 66
Ethernet emulation, 66-68
overview, 65-66
point-to-point network type 
(OSPF), 506-508