3Com Router Command Reference Guide — V1.006 0 0 10 30 107 0 0 10 30 103.1.2 qos wredSyntaxqos wredundo qos wredViewInterface viewParameterNoneDescriptionUsing the qos wred command, you can configure the application of WRED(Weighted Random Early Detection) on the interface. Using the undo qos wredcommand, you can restore the default queue dropping method.By default, the queue dropping method is to drop the tail packets.WRED, which cannot be used alone or with other queuing algorithm jointly, can onlybe used together with WFQ. Before the start-up of WRED, therefore, WFQ must havebeen applied on the specified interface already. Besides, only on physical interfacesshall WRED be enabled, which can not work on any logic interface.For related commands, see qos wfq, qos wred, display qos wred.Example# Apply WRED on interface Ethernet 0.[3Com-Ethernet0] qos wfq[3Com-Ethernet0] qos wred3.1.3 qos wred ip-precedenceSyntaxqos wred ip-precedence ip-precedence low-limit low-limit high-limit high-limitdiscard-probability discard-prob28