Does an AR support rate limiting on an interface

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Both LAN and WAN interfaces support rate limiting. However, rate limiting does not take effect on NAT-enabled WAN interfaces.

Other related questions:
How to configure rate limiting on a physical interface
WAN-side physical interfaces support rate limiting. You can limit the rate of outgoing packets on a WAN-side physical interface by configuring the percentage of the rate of packets against the interface bandwidth. Perform the following configuration: 1. Run the system-view command to enter the system view. 2. (Optional) Run the qos overhead layer { link | physics } command to configure the mode to calculate the packet length during traffic policing or traffic shaping. By default, the system counts the physical-layer and link-layer compensation information in the packet length during traffic policing or traffic shaping. 3. Run the interface interface-type interface-number command to enter the interface view. Run the qos lr pct pct-value [ cbs cbs-value ] command to configure the percentage of traffic rate against the interface bandwidth. By default, the percentage of traffic rate against the interface bandwidth is 100.

How to configure interface-based rate limiting through the web platform on the AR
1. Choose QoS > Interface Rate Limit to access the Interface Rate Limit page. 2. Click Create in the Interface Rate Limit List toolbar. 3. On the Create Interface Rate Limit page, select or enter parameters based on requirements. 4. Click OK to save the parameter settings. To delete interface-based rate limiting, perform the following operations: 1. Choose QoS > Interface Rate Limit to access the Interface Rate Limit page. 2. In the Interface Rate Limit List toolbar, select the interface where the rate limtiing configuration needs to be deleted and click Delete. 3. In the displayed dialog box, click OK.

Does an AR support rate limiting based on network segments
On AR routers in versions later than V200R002C00, you can run the qos car command to configure rate limiting based on network segments.

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