Can the qos gts and qos car commands be used simultaneously for outgoing packets

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The qos car command affects the qos gts command effect. You are not advised to run these two commands at the same time.

Other related questions:
How to configure traffic shaping on an AR
For example,Users in the enterprise are located on two network segments and access the server on 222.1.1.1/24 through Router. The rate of packets from enterprise devices on 192.168.10.0/24 to the server needs to be limited to 64 kbit/s. The configuration are as follows: # vlan batch 10 20 # acl number 3001 //Configure ACL 3001. rule 5 permit ip source 192.168.10.0 0.0.0.255 //Configure rule 5 to allow packets on 192.168.10.0 to pass through. rule 10 permit ip source 192.168.20.0 0.0.0.255 //Configure rule 10 to allow packets on 192.168.20.0 to pass through. acl number 3002 //Configure ACL 3002. rule 5 permit ip source 192.168.10.0 0.0.0.255 //Configure rule 5 to allow packets on 192.168.10.0 to pass through. # qos queue-profile limit //Create a queue profile named limit. queue 3 gts cir 64 cbs 1600 //Set the CIR of queue 3 to 64 kbit/s. # traffic classifier c1 operator or if-match acl 3002 //Configure a traffic classifier named c1 to match ACL 3002. # traffic behavior b1 remark local-precedence af3 //Configure traffic behavior b1: Re-mark packets matching the traffic classifier with AF3. When permit or deny is not specified, the permit action is taken by default. # traffic policy p1 classifier c1 behavior b1 //Configure a traffic policy named p1, and bind traffic classifier c1 to traffic behavior b1 in the traffic policy. # interface Vlanif10 ip address 192.168.10.1 255.255.255.0 # interface Vlanif20 ip address 192.168.20.1 255.255.255.0 # interface Ethernet2/0/0 port link-type trunk //Configure the link type of the interface as trunk. port trunk allow-pass vlan 10 20 //Add the interface to VLAN 10 and VLAN 20. traffic-policy p1 inbound //Apply the traffic policy p1 to the inbound direction on the interface. # interface GigabitEthernet3/0/0 ip address 222.0.1.1 255.255.255.0 qos queue-profile limit //Apply the queue profile limit to the interface. nat outbound 3001 //Perform NAT for packets matching ACL 3001. # ip route-static 0.0.0.0 0.0.0.0 222.0.1.2 #

Maximum number of the qos car and traffic policy configurations on the same interface
You can run the qos car command in the interface or sub-interface view. If the ACL number, destination IP address range, or source IP address range is configured in the qos car command on WAN interfaces, you can run the qos car command repeatedly on an interface for a maximum of 16 times. You can run the traffic policy command to create a traffic policy. A traffic policy can be applied to only one direction on an interface, and the device supports a maximum of 1024 traffic policies.

Unit of rate limits for S series switches
The unit of rate limits for S series switches (except S1700 switches) is kbit/s.

Meaning of the CAR granularity on S series switches
Sorry, I can't answer this question. For details about product specifications and performance, contact Huawei engineers through Huawei's customer service hotline.

What is the limitation on qos car and traffic policy
The qos car command can be configured on an interface or a sub-interface. If the qos car command that is configured on a WAN interface defines the ACL number, or source or destination IP address range, the qos car command can be configured on the interface for 16 times. The traffic policy command creates a traffic policy. A traffic policy can be applied to one direction on an interface only. The AR supports a maximum of 1024 traffic policies.

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