Operation Manual - QoS/ACL
Quidway S3500 Series Ethernet Switches Chapter 2 QoS Configuration
Huawei Technologies Proprietary
2-28
Table 2-39 Configuring the drop algorithm
Operation Command
Set drop algorithm.
drop-mode { tail-drop | wred }
[ wred-index ]
Restore the default drop algorithm.
undo drop-mode
By default, tail-drop is adopted.
For more information about the command, refer to Command Manual.
2.4.8 Configuring Traffic Mirroring
Traffic mirroring is to duplicate the service traffic filtered in by the adopted ACL to CPU
for the purpose of traffic analysis and monitoring.
You may configure traffic mirroring using the commands described in the following
table.
Perform the following configuration in Ethernet interface view.
Table 2-40 Configuring traffic mirroring
Operation Command
Configure traffic mirroring.
mirrored-to inbound acl-rule { cpu |
monitor-interface }
Disable traffic mirroring.
undo mirrored-to inbound acl-rule
 Note:
You must use the monitor-port command to configure the monitoring port before you
mirror data stream to specified port. The switch only mirrors the packets received by
the traffic, when you use the monitor-port command to configure the monitoring port,
you must configure the direction of the monitored packets as inbound or both.
For more information about the mirrored-to command and its negative form, refer to
Command Manual.
2.4.9 Configuring Port Mirroring
Port mirroring is to duplicate the data on a mirroring port to a specified monitor port for
the purpose of analysis and monitoring.
Ethernet switches support many-to-one mirroring, allowing duplication of packets from
multiple mirroring ports to one monitor port.
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