Index G

F

failover

in campus networks, 9

in Fast EtherChannel links, 180

in GLBP, 383-384

failure domains, 486

fallback mechanism, 486

fast aging time, 261

fast convergence, 28

Fast EtherChannel, 180

configuration of, 181-186

defined, 486

guidelines for, 180-181

Fast-Leave processing, 331

Fast Serial Interface Processor (FSIP), 488

fast switching

in CEF, 266-267, 267

defined, 487

FastEthernet, 49

at all layers, 49

auto-negotiation in, 51-52

defined, 486

distance in, 52

full-duplex Ethernet with, 51

IEEE specifications for, 50

MII for, 50

FastEthernet Interface Processor (FEIP), 487

FCS (frame check sequence) field

in auto-negotiation, 51

in IDL, 101

FDDI (Fiber Distributed Data Interface)

defined, 487

for VLANs, 101

in VTP advertisements, 111

FDM (Frequency-Division Multiplexing), 487

FECN (Forward Explicit Congestion Notification), 487

FEIP (FastEthernet Interface Processor), 487

FIFO (first in, first out) queuing

defined, 487

in QoS, 363

File Transfer Protocol (FTP), 488

filters and filter tables

in bridges vs. switches, 137

in layer 2 switching, 138-139

in layer 4 switching, 15

firewalls, 487

first in, first out (FIFO) queuing

defined, 487

in QoS, 363

flash memory, 487

flat networks, 88-89, 89, 487

flexibility in VLANs, 90

flooding

defined, 487

in PIM DM, 311, 312

flow control, 487

flow masks, 259

flows in MLS, 243

Forward Explicit Congestion Notification (FECN), 487

forwarding

in CEF, 268-269, 268

in layer 2 switching, 138-139

in spanning tree operation, 145-146, 146

forwarding and filtering decisions, 487

FRAD (Frame Relay Access Device), 488

fragmentation, 488

FragmentFree switch type, 149, 488

fragments, 488

frame check sequence (FCS) field

in auto-negotiation, 51

in IDL, 101

Frame Relay Access Device (FRAD), 488

Frame Relay Access Support (FRAS), 488

Frame Relay bridging, 488

Frame Relay protocol, 488

Frame Relay switching, 488

frames

defined, 488

filtering, 137

modifying, 249, 251

tagging, 88, 100-101, 488

framing, 488

FRAS (Frame Relay Access Support), 488

frequency, 488

Frequency-Division Multiplexing (FDM), 487

FSIP (Fast Serial Interface Processor), 488

FTP (File Transfer Protocol), 488

full-duplex

defined, 489

in FastEthernet, 51

full mesh topology, 489

full parameter, 68

fwddelay timer, 177