406
compression, cRTP, 48, 50
conditioning, traffic, 20
configuration, 149
aggregate policers, 217
Auto QoS, 233, 327–333
CAR, 353
CBWFQ, 56
class maps, 212
CoS-to-DSCP maps, 58
distributed class-based marking, 347
drop thresholds, 114
essential/nonessential traffic, 348
ingress port CoS, 152–154
interfaces, 215
LLQ, 57
mapping tables, 209
MQC, 123–124
class map, 124–132
policy map, 132–137
service policy, 137–140
multiple router MAC addresses, 108
NBAR protocol discovery, 344
policy maps, 213
port trust, 211
QoS, 257
queue tail-drop thresholds
Hybrid mode, 262
Native mode, 263
service-policy statements, 348
sharing, 230
single-rate policing, 305
thresholds (WRED), 267
traffic shaping, 231
trust, 61–62
trust DSCP, 154–155
trust IP precedence, 155–156
WRED, 38
congestion, 31
avoidance, 19, 35–41, 113–115
Catalyst 6500 ports, 265–268
Catalyst 6500 switches, 370–373
Catalyst 4000 IOS Family of switches, 224–233
Catalyst 6500, 314–327, 363–370
ECN, 23
management, 9, 19, 32–35, 72
Auto-Qos, 188
Catalyst 2900XL switches, 79
Catalyst 2950 switches, 175–187
Catalyst 4000 CatOS switches, 87–88
connection admission control (CAC), 45
connections
access layer switches, 381–386
Cisco IP Phone, 62–63
LAN-to-WAN, 32
core layer switches, 392–400
CoS (class of service), 96
DSCP mapping, 58, 176, 291–293
ingress port configuration, 152–154
managing, 232
mapping, 263–265
thresholds, 262
to-Transmit queue mapping, 177
trusting, 208
values, 104
covered, 271
CQ (Custom Queuing), 34
CRC (cyclic redundancy check), 106
cRTP (Real Time Protocol Header Compression), 50
Custom Queuing (CQ), 34
cyclic redundancy check (CRC), 106
D
data bus (D-bus), 339
data-link switching (DLSw), 10
D-bus (data bus), 339
decision paths, 258
default ACLs, 276
default configuration, 149
definition of QoS, 5–6
delay, 6
deployment, 9–12
description command, 125
design. See also configuration
MQC, 123
multiplatform, 378–380
Designated Subnet Bandwidth Manager (DSBM), 47
destination MAC addresses, Catalyst 6500, 271
detection
dWRED, 370–373
RED, 36–41
WRED, 72
Differentiated Services (DS), 13–20, 52
DiffServ architecture, 20–28
DiffServ codepoint. See DSCP
disabling
policers, 168
QoS features, 205
discovery, NBAR protocol, 343–346
distributed class-based marking, configuring, 347
distributed class-based weighted fair queuing (dCBWFQ),
364–367
distributed low latency queuing (dLLQ), 368, 370
distributed network-based application recognition
(dNBAR), 343
distributed traffic shaping, 360–362
distributed weighted random early detection (dWRED),
370–373
distribution of layer switches, 387–392
dLLQ (distributed low latency queuing), 368, 370
DLSw (data-link switching), 10
dNBAR (distributed network-based application
recognition), 343
double-wide port adapters, 341
drop thresholds, configuring, 114
compression, cRTP

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