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Configuring QoS 173
RED
Run the RED operation for the packets sent between 8:00 and 18:00 every day
from IP address 1.0.0.1 to the port E3/0/8. RED operation is set so that the queue
length that triggers random discarding ranges from 64 Kbytes to 128 Kbytes. The
probability for random discarding is 20%.
The 20-Port 10/100/1000BASE-T and 20-Port 1000BASE-X-SFP I/O modules do not
support this configuration.
Figure 45 RED
To create this configuration:
1 Define the time range 8:00 to 18:00.
Define the time range.
[SW7750]time-range 3com 8:00 to 18:00 daily
2 Define traffic rules for the packets of IP address 1.0.0.1.
[SW7750]acl number 2000
[SW7750-acl-basic-2000]rule 0 permit ip source 1.0.0.1 0.0.0.0
time-range 3com
3 Run the RED operation for the packets of IP address 1.0.0.1 and view the
configuration with the display command.
Enter QoS view.
[SW7750-Ethernet3/0/8]qos
[SW7750-qoss-Ethernet3/0/8]
Run RED operation for the packets of IP address 1.0.0.1 and view the
configuration with the display command.
[SW7750-qoss-Ethernet3/0/8]traffic-red outbound ip-group 1 rule 0
[SW7750]display qos-interface Ethernet3/0/8 traffic-red
Traffic Bandwidth
For the packets sent between 8:00 and 18:00 each day to the port E3/0/8, the
minimum bandwidth for those of source IP address 1.0.0.1 is 20M, the maximum
bandwidth is 60M, with bandwidth weight of 40. The minimum bandwidth for
those of source IP address 2.0.0.1 is 20M; maximum bandwidth is 60M, with
bandwidth weight of 60.
E3/0/8
GE3/0/1
GE3/0/2
VLAN2,
1.0.0.1/8
VLAN3,
2.0.0.1/8