Verification Example For Queue Size And Packet Dropping - Cisco 10000 Series Configuration Manual
Quality of service configuration guide
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Verifying and Monitoring Layer 3 Packet Dropping
Verification Example for Queue Size and Packet Dropping
Example 11-6
policy map named Traffic-5-PR is attached to serial interface 1/0/0 and includes three traffic classes. The
Voice-5-PR class has a configured queue limit of 32 packets with 0 packets dropped. The Gold-5-PR
class also indicates that no packets dropped. The Silver-5-PR class has a configured queue limit of 64
packets with 0 packets dropped.
Example 11-6 Displaying Queue Sizes and Packet Drop Counts
Router# show policy-map interface serial 1/0/0
Serial1/0/0
Service-policy output: Traffic-Parent (1051)
Cisco 10000 Series Router Quality of Service Configuration Guide
11-34
shows sample output for the show policy-map interface command. In this example, the
Class-map: class-default (match-any) (1068/0)
2064335 packets, 120273127 bytes
5 minute offered rate 1000 bps, drop rate 0 bps
Match: any
(1069)
126970 packets, 3982597 bytes
5 minute rate 0 bps
Shape : 6000 kbps
Service-policy : Traffic-5-PR (1052)
Class-map: Voice-5-PR (match-all) (1053/1)
82310 packets, 4938600 bytes
5 minute offered rate 0 bps, drop rate 0 bps
Match: ip precedence 5
Output queue: 0/32; 82310/4938600 packets/bytes output, 0 drops
Absolute priority
Queue-limit: 32 packets
Police:
304000 bps, 1536 limit, 0 extended limit
conformed 82312 packets, 4938720 bytes; action: transmit
exceeded 0 packets, 0 bytes; action: drop
violated 0 packets, 0 bytes; action: drop
Class-map: Gold-5-PR (match-any) (1058/2)
1125476 packets, 67528560 bytes
5 minute offered rate 0 bps, drop rate 0 bps
Match: ip precedence 3
1125476 packets, 67528560 bytes
5 minute rate 0 bps
Output queue: 0/128; 1125503/67530180 packets/bytes output, 0 drops
Bandwidth : 188 kbps (Weight 3)
Class-map: Silver-5-PR (match-any) (1061/3)
697908 packets, 41874480 bytes
5 minute offered rate 0 bps, drop rate 0 bps
Match: ip precedence 0
697908 packets, 41874480 bytes
5 minute rate 0 bps
Output queue: 0/64; 697919/41875140 packets/bytes output, 0 drops
Bandwidth : 71 kbps (Weight 1)
Random-detect (precedence-based):
Exponential weight: 9 (1/512)
Chapter 11
(1054)
4
(1059)
1
2
(1062)
Managing Packet Queue Congestion
OL-7433-09
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