When you configure the set priority dscp and remark dscp commands simultaneously, which one takes effect


set priority dscp command sets the DSCP priority of protocol packets sent by the device. To change the DSCP priority of protocol packets, you can also configure a traffic policy, define remark dscp for protocol packets in the traffic policy, and apply the traffic policy to the outbound direction of an interface.

If the ip soft-forward enhance enable command has been executed to enable the enhanced IP forwarding function, the remark dscp command takes effect. If the ip soft-forward enhance enable command is not used, the set priority command takes effect.

Other related questions:
Does the traffic-policy or traffic-filter command first take effect
The traffic-filter command is supported from V200R002C00. When the traffic-policy and traffic-filter commands are simultaneously executed, the traffic-filter command takes effect first.

Mapping between differentiated services code point (DSCP) and local priority
IP packets carry the DSCP field to indicate the QoS preference. The mapping between the priority fields must be configured on the gateway to retain packet priorities when the packets traverse different networks. You can run the display qos map-table command to view the mapping between priorities, or run the input command in the priority mapping table view to configure the mapping between priorities.

How to configure mapping between DSCP priorities and local priorities on S series switches
You can run the following commands to configure mapping between DSCP priorities and local priorities on S series switches (except the S1700): - ip-dscp-inbound dscp-value phb service-class [ green | yellow | red ]: configures mapping between DSCP priorities and local priorities for IP packets on the inbound interface. - ip-dscp-outbound service-class { green | yellow | red } map dscp-value: configures between DSCP priorities and local priorities for IP packets on the outbound interface.

Can the one number link you (ONLY) function be set to take effect within a specified period?
Yes. The method is as follows: 1. Use the CLI to log in to the U1900 series unified gateway and then enter the Config mode. 2 (Optional) Add time segment indexes and bind different numbers to different time segments. For example, you can run the following command to add time segment index 1, where the time segment is from 8:00 to 18:00 from Monday to Friday. config add timerange index 1 weekly mon&tue&wed&thu&fri begintime 8 endtime 18 3. Log in to the web management system. 4. Choose User > SIP User or User > POTS User. 5 On the displayed page, select the number that needs to add service rights and then click Service Configuration. 6. Under Complex service, click Configure next to ONLY service. 7 In the displayed Configure ONLY dialog box, set the ONLY number and validity period within which the ONLY function takes effect as prompted. 8. Click OK. The system displays a message indicating that the configuration is successful. Note: For more details about parameters and related settings, go to Huawei's official website to download the U1900 unified gateway product documentation of corresponding version.

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