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798
FDDI (Fiber Distributed Data Interface)
ANSI standards, 143­144, 202
IPX encapsulation, 302
MAC address bit order, 139
FECN (forward explicit congestion notification),
531, 600
File Transfer Protocol,
See
FTP
filtering,
See
access lists
FIN field, TCP connection establishment, 223
Flash memory, 48
routers, 27
verifying contents of, 50
flash updates (loops), 372, 422
flow control, 91, 115
buffering, 92
congestion avoidance, 92
TCP, 221­222
terminology, 93­94
windowing, 93
forward acknowledgment, 89, 220
Forward Delay Timer (Spanning Tree), 165, 170
forward explicit congestion notification (FECN),
531, 600
Forwarding state (Spanning Tree), 158, 170, 204­
205
fragment-free processing (switches), 152­153, 203
frame check sequence (FCS), 88, 98
Frame Relay, 529, 590
access links, 531, 599
access rate, 531, 599
BECN, 531, 600
broadcast handling, 542
burst rate, 531, 599
CIR, 531, 599
components, 530
configuration, 551­553, 620­625, 631, 636­
637
using point-to-point subinterfaces, 681­
684
with hybrid multipoint/point-to-point
subinterfaces, 559­563
with point-to-point subinterfaces, 555­559
without subinterfaces, 553­555, 662­664
DCE, 531, 599
DE, 531, 600
DLCIs, 531, 534­538, 600
defining, 552
mapping to IP/IPX addresses, 543­548,
552
subinterface assignments, 553
DTE, 531, 599
encapsulation, 532­534, 604
encoding, 102, 116
frames
compression, 549­551
encapsulation, 551
full mesh networks
IP addresses, 539
IPX addresses, 539
global addressing, 536­537
headers, 101
hybrid full/partial mesh networks
IP addresses, 540­541
IPX addresses, 540­541
initialization process, 549­551, 602
interfaces, Status Enquiry messages, 675
ISDN backup, 575
LAPF, 531, 533, 600
LMI, 531­534, 600
autosense feature, 532
flow information, 552
messages, 551
protocols, 532
status enquiry message, 532
status enquiry messages, keepalives, 552
types, 533, 600
local addressing, 537
maps, 543­548, 662­664
multipoint subinterfaces
compression, 565
deployment guidelines, 552
multivendor interoperability, 533
NBMA, 531, 600
network layer concerns, 538­543
networks
characteristics, 530
planning, 658­661
partial mesh networks
IP addresses, 539­540
IPX addresses, 539­540
payload compression, configuration, 563­567
physical components, 96
point-to-point subinterfaces
compression, 552, 565
FDDI (Fiber Distributed Data Interface)
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