Index_F

F

failure domain, 543

fallback, 543

Fast Ethernet, 69, 544

Fast Ethernet Interface Processor (FEIP), 544

Fast Serial Interface Processor (FSIP), 546

fast switching, 544

for WANs, 226

FastHub 300, 105

fault-tolerance, 544

redundant LAN configurations, 200–203

redundant WAN connections, 203–205

FCS field in data frame, 31

FDDI (Fiber Distributed Data Interface),40–43, 41, 544

FDM (Frequency-Division Multiplexing), 544

feasible distances, 338

FECN (Forward Explicit Congestion Notification) bit for Frame Relay, 242–243, 544

FEIP (Fast Ethernet Interface Processor), 544

FIB (Forwarding Information Base), 229

Fiber Distributed Data Interface (FDDI),40–43, 41, 544

FIFO (First In First Out), 414, 544

File Transfer Protocol (FTP), 123–124, 546

filtering, 545

in OSPF, 376

in transparent bridging, 387–388

Filters group in RMON, 440

firewall, 479, 479–482, 481, 545

in case study, 509

First In First Out (FIFO), 414, 544

flash memory, 545

flat network, 89, 89, 383, 545

flexibility

in business, real world scenarios, 13

VLANs and, 92–95

flooding, 385, 545

flow control, 19–20, 545

segment transmission with, 24

in Transport layer, 21

flush timers, in IGRP, 328

forward/filter table, 75, 75–77

forwarded ports, 289–290

forwarding, 545

Forwarding Information Base (FIB), 229

forwarding packets, in transparentbridging, 385–386

forwarding port, for Spanning-TreeProtocol, 85

FRAD (Frame Relay Access Device), 545

fragment, 545

fragmentation, 545

FragmentFree, 86–87, 545

frame, 129, 546

frame filtering, 77, 546

Frame Relay, 221, 237–243, 546

CIR (committed information rate), 243

with Cisco routers, 238–239

congestion control, 242–243

DLCI (data-link connection identifier)for, 239

LMI (Local Management Interface),239–240

partial mesh networks, 241, 241–242

subinterfaces, 240–241

defining, 242

Frame-Relay Access Device (Cisco FRAD), 532, 545

Frame Relay Access Support (FRAS), 546

Frame Relay/ATM module, 200

Frame Relay bridging, 546

Frame Relay protocol, 34

Frame Relay switches, for WANs, 11

Frame Relay Traffic Shaping (FRTS), 546

frame status field in Token Ring, 44, 44–45

frame tagging, 98

frames, 7

FRAS (Frame Relay Access Support), 546

frequency, 546

Frequency-Division Multiplexing (FDM), 544

FRTS (Frame Relay Traffic Shaping), 546

FSIP (Fast Serial Interface Processor), 546

FTP (File Transfer Protocol), 123–124, 546

full-duplex mode, 8, 19, 546

for Ethernet, 69, 101–103

design, 102–103, 103

full mesh network, 203, 204, 546