414
policing, 44–46, 219
rates, 171
requirements, 6
shaping, 20, 44
Catalyst 4000, 230
distributed, 360–362
per-port, 243–244
with class maps, 136
TCP (congestion avoidance), 35–41
token buckets, 41–44
transfers (token buckets), 41–44
transmit buffers, overflow, 204
transmit queues
shaping, 232
sharing, 229
size manipulation, 185
Triple Data Encryption Standard (3DES), 340
trust, 61–62
actions, 223
Catalyst 4000 CatOS switches, 86
Catalyst 6500, 275
Cisco IP Phone devices, 156–157
CoS, 208
DSCP, 154–155, 206
extended, 63–64, 156
IP precedence, 155–156
policing actions, 169, 263
trust-cos command, 273
trust-cos option, 112
trust-dscp command, 274
trust-ipprec command, 274
two-rate policing, Catalyst 6500, 310–314
type of service (ToS), 96
U-V
untagged frames
Catalyst 4000 CatOS switches, 86
marking, 104
untrusted interfaces, 210
uplink modules (congestion avoidance), 113–115
values
CoS, 104, 262
DSCP, 32
layers, 58
TCAM, 144
verification
CBWFQ, 56
interface trust configurations, 211
LLQ, 57
mapping tables, 209
NBAR protocol discovery, 344
policy map configuration, 137–138
Versatile Interface Processor (VIP), 339
video, IPVC, 14
viewing
global configuration, 149
input scheduling, 257
mapping tables, 209
port trust configuration, 211
QoS features, 205
VIP (Versatile Interface Processor), 339
VLAN (virtual LAN)
Catalyst 6500, 269–271
classification based on, 105
policing, 168–169, 215
voice, 63, 156
voice
Cisco IP Phone, 62–63
link efficiency, 47–50
VLANs, 63, 156
Voice over IP (VoIP), 96, 62–63
W-X
WAN (wide-area network), 9–11, 32, 337
Weighted Fair Queuing (WFQ), 34
Weighted Random Early Detection. See WRED
weighted round-robin (WRR) scheduling, 239
WFQ (Weighted Fair Queuing), 34
whichbus command, 103
wide-area network (WAN), 337
WRED (Weighted Random Early Detection), 19, 37, 72,
113
class-based, 56
drop, 183
dWRED. See dWRED
thresholds, 267
WRR (weighted round-robin) scheduling, 239
Catalyst family of switches, 179
scheduling, 242
WS-X4232-L3 services module architecture, 239
XNS (Xerox Network Systems), 276
traffic
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