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Cisco AVVID Network Infrastructure Enterprise Quality of Service Design
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Chapter 4 QoS in an AVVID-Enabled Wide-Area Network
Verifying QoS
dscp Transmitted Random drop Tail drop Minimum Maximum Mark
pkts/bytes pkts/bytes pkts/bytes thresh thresh prob
af11 0/0 0/0 0/0 32 40 1/10
af12 0/0 0/0 0/0 28 40 1/10
af13 0/0 0/0 0/0 24 40 1/10
af21 24489/36831456 98/14700 0/0 32 40 1/10
af22 33061/40732666 458/932340 0/0 28 40 1/10
af23 33990/38479822 571/1775230 0/0 24 40 1/10
af31 0/0 0/0 0/0 32 40 1/10
af32 0/0 0/0 0/0 28 40 1/10
af33 0/0 0/0 0/0 24 40 1/10
af41 0/0 0/0 0/0 32 40 1/10
af42 0/0 0/0 0/0 28 40 1/10
af43 0/0 0/0 0/0 24 40 1/10
cs1 0/0 0/0 0/0 22 40 1/10
cs2 0/0 0/0 0/0 24 40 1/10
cs3 0/0 0/0 0/0 26 40 1/10
cs4 0/0 0/0 0/0 28 40 1/10
cs5 0/0 0/0 0/0 30 40 1/10
cs6 0/0 0/0 0/0 32 40 1/10
cs7 0/0 0/0 0/0 34 40 1/10
ef 0/0 0/0 0/0 36 40 1/10
rsvp 0/0 0/0 0/0 36 40 1/10
default 0/0 0/0 0/0 20 40 1/10
Note
The DSCP table reflects that the drop-preference bit is a factor in deciding which application to drop
first in the event of queue congestion. For example, AF23 is (statistically) dropped more often than
AF22, which is dropped more often than AF21.
Class-map:
SILVER-DATA (match-any)
153034 packets, 118626388 bytes
30 second offered rate 1342000 bps, drop rate 561000 bps
Match: ip dscp 10
41599 packets, 38770268 bytes
30 second rate 439000 bps
Match: ip dscp 12
47146 packets, 39225472 bytes
30 second rate 443000 bps
Match: ip dscp 14
64289 packets, 40630648 bytes
30 second rate 459000 bps
Weighted Fair Queueing
Output Queue: Conversation 267
Bandwidth 15 (%)
Bandwidth 460 (kbps)
(pkts matched/bytes matched) 154625/119859800
(depth/total drops/no-buffer drops) 40/65111/0
exponential weight: 9
mean queue depth: 40
dscp Transmitted Random drop Tail drop Minimum Maximum Mark
pkts/bytes pkts/bytes pkts/bytes thresh thresh prob
af11 24874/23216884 3059/2844870 14099/13112070 32 40 1/10
af12 27987/23324484 3328/2762240 16322/13547260 28 40 1/10
af13 36654/23221934 4514/2843820 23789/14987070 24 40 1/10
af21 0/0 0/0 0/0 32 40 1/10
af22 0/0 0/0 0/0 28 40 1/10
af23 0/0 0/0 0/0 24 40 1/10
af31 0/0 0/0 0/0 32 40 1/10
af32 0/0 0/0 0/0 28 40 1/10
af33 0/0 0/0 0/0 24 40 1/10