background image
799
deployment guidelines, 552
PVCs, 530, 599
displaying, 697
status, displaying, 552
specifications, 532
split horizon issues, 542­543
strengths/weaknesses, 591, 602
subinterfaces
creating, 552
DLCI assignments, 553
IP addresses, 284­286
multipoint, 285
planning, 552
point-to-point, 285
subnets, 285
SVCs, 530, 599
switching, 534­538
VCs, 97, 530, 599
addressing, 534­538
status, displaying, 697
verifying connectivity, 612­618, 627­629
frame-relay interface-dlci command, 552, 555, 557,
561, 595, 675
frame-relay lmi-type command, 533, 551, 555, 594
frame-relay map command, 547, 552, 563, 565, 594,
664
frame-relay payload-compress command, 552, 595
frame-relay payload-compression frf9 stac
command, 565
frame-relay payload-compression packet-by-packet
command, 565
frames, 96, 117
formats, 96
Frame Relay
compression, 549­551
encapsulation, 551
LANs, 140­142
latency, decreasing with switch processing, 152
See also
packets, segments
framing WAN synchronous serial leased lines, 520
FRF.9 payload compression (Frame Relay
frames), 550
FTP (File Transfer Protocol), 232­234
control connections, 320
versus TFTP, 234, 318
full mesh Frame Relay networks
IP addresses, 539
IPX addresses, 539
full-duplex 10BaseT Ethernet, 137
full-duplex Ethernet and switches, 153­154
full-duplex switch ports, 180­182
function groups (ISDN), 570­573, 601, 675
functional addresses (MAC addresses), 138
G
gateways, 178
Get Nearest Server (GNS), 353, 404, 658
Gigabit Ethernet, 142­143, 145
global addressing (Frame Relay), 536­537
global commands, 35
GNS (Get Nearest Server), 353, 404, 658
GOSIP (Government OSI Profile), 74
group addresses (MAC addresses), 138
H
half-duplex 10BaseT Ethernet, 135­137
half-duplex switch ports, 180­182
HDLC (High-Level Data Link Control), 95­96, 101,
520, 590, 598
compression, 526­528
configuration, 523­528
encoding, 102, 116
strengths/weaknesses, 591, 602
headers, 82
Frame Relay, 101
IP (TTL field), 230
TCP, 217­218
UDP, 225
Hello time timer (Spanning Tree), 165
help (IOS commands), 30­32
hexadecimal values, converting to decimal and
binary values, 777­785
High-Level Data Link Control,
See
HDLC
history buffer (commands), resizing, 31
holddown timers, 367­373, 418, 422
host addresses,
See
IP addresses
Host Unreachable code (Destination Unreachable
ICMP message), 229, 317
Host Unreachable code (Destination Unreachable ICMP message)
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