Wred/Ecn Configuration Example; Configure Global Profile For Wred; Configure Port-Level Profile For Wred - Lenovo RackSwitch G8264 Application Manual

WRED/ECN Configuration Example

Configure Global Profile for WRED

1. Enable WRED globally.
2. Enable a transmit queue.
3. Configure WRED thresholds (minimum, maximum, and drop rate) for TCP traffic.
4. Configure WRED thresholds (minimum, maximum, and drop rate) for non‐TCP
5. Select the port.
6. Enable WRED for the port.

Configure Port-level Profile for WRED

1. Enable WRED globally.
2. Select the port.
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G8264 Application Guide for ENOS 8.4
Follow these steps to enable WRED/ECN and configure a global and/or port‐level
profile. If you configure global and port‐level profile, WRED/ECN uses the
port‐level profile to make transmit/drop decisions when experiencing traffic
congestion.
RS G8264(config)# qos random­detect enable
RS G8264(config)# qos random­detect transmit­queue 0 enable
RS G8264(config)# qos random­detect transmit­queue 0 tcp min­threshold 1
max­threshold 2 drop­rate 3
Note: Percentages are of Average Queue available in hardware and not
percentages of traffic.
traffic.
RS G8264(config)# qos random­detect transmit­queue 0 non­tcp
min­threshold 4 max­threshold 5 drop­rate 6
RS G8264(config)# interface port 1
RS G8264(config­if)# random­detect enable
RS G8264(config­if)# exit
RS G8264(config)# qos random­detect enable
RS G8264(config)# interface port 1