Index F

E

E channels, 484

E.164 standard, 484

e-mail, QoS for, 351, 351

E1 transmissions, 484

EARL (Enhanced Address Recognition Logic), 180

EBC (Ethernet Bundle Controller), 180

edge devices, 484

Edge Distribution Module, 53

EEPROM (Electronically Erasable Programmable Read-Only Memory), 484

EFCI (Explicit Forward Congestion Indication) mode, 484

EFM (Ethernet in the First Mile), 386

EI (enhanced image) IOS, 411, 485

EIGRP (Enhanced IGRP)

block support in, 26

defined, 485

EIP (Ethernet Interface Processor), 484

ELANs (emulated LANs), 484

ELAP (EtherTalk Link Access Protocol), 484

Electronically Erasable Programmable Read-Only Memory (EEPROM), 484

emulated LANs (ELANs), 484

enable packets

defined, 484

identification of, 249-250, 250-251

enable secret command, 60

enabling

MLS, 252, 258-259

multicast routing, 319-320

PIM on interfaces, 320-323

spanning tree, 150

encapsulation

defined, 485

in OSI model, 11-12, 11

encapsulation command, 213

encapsulation isl command, 214

encryption, 485

end-to-end multicast, 317-318

end-to-end VLANs

boundaries for, 93

defined, 485

Enhanced Address Recognition Logic (EARL), 180

Enhanced IGRP (EIGRP)

block support in, 26

defined, 485

enhanced image (EI) IOS, 411, 485

enterprise networks, 485

enterprise services

defined, 485

in new campus model, 10

EPROM (Erasable Programmable Read-Only Memory), 485

erase command, 71

erase all command, 72

erase startup-config command, 182

erasing switch configuration, 70-72

error command, 257

error correction, 485

ESFs (Extended Superframes), 485

essentially non-blocking switches, 404, 406

EtherChannel, 180

configuration of, 181-186

guidelines for, 180-181

Ethernet Bundle Controller (EBC), 180

Ethernet in the First Mile (EFM), 386

Ethernet Interface Processor (EIP), 484

Ethernet networks and media, 4

10BaseT, 49

background of, 47

comparisons between, 54

defined, 485

FastEthernet, 49-52

Gigabit Ethernet, 52-54

mapping multicast to, 289-293, 290-293

port connections to, 56

switched, 48

transparent, 385

EtherTalk Link Access Protocol (ELAP), 484

events command, 257

exam essentials

campus networks, 32-33

inter-VLAN routing, 222

layer 2 switching, 153

MLS, 271

multicast, 332-333

QoS, 386-387

STP, 195

switch blocks, 73-74

switching technologies, 424-425

VLANs, 121

excess rate, 485

exclude lists in IGMPv3, 299

Exclude mode membership reports, 299

exit command, 459

expansion, 486

expedited delivery, 486

Explicit Forward Congestion Indication (EFCI) mode, 484

explorer packets, 486

extended IP access lists, 486

extended IPX access lists, 486

Extended Setup, 486

Extended Superframes (ESFs), 485

external route processors, 486

external routers, 213-214

hands-on labs for

2621 router configuration, 235-236

2950A switch configuration, 228-229

2950B switch configuration, 229-230

4000 switch configuration, 230-233

VLAN configuration, 233-234