How to configure S series switches to ensure video service bandwidth

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On S series (except the S1700) switches, Modular QoS Command-Line Interface (MQC) can be configured to ensure video service bandwidth. Assume that a switch is connected to a user network through GE0/0/1. The intermediate transmission link must reserve at least 10 Mbit/s bandwidth for video services, and the 802.1p priority of video service flows must be 5. Configure MQC on a switch as follows:
1. Create a traffic classifier to match video service flows with the 802.1p priority of 5.
[HUAWEI] traffic classifier c1
[HUAWEI-classifier-c1] if-match 8021p 5
[HUAWEI-classifier-c1] quit
2. Create a traffic behavior to reserve at least 10 Mbit/s bandwidth for matching video service flows.
[HUAWEI] traffic behavior b1
[HUAWEI-behavior-b1] car cir 10000
[HUAWEI-behavior-b1] quit
3. Create a traffic policy, bind the created traffic classifier and traffic behavior to the traffic policy, and apply the traffic policy to GE0/0/1 of the switch.
[HUAWEI] traffic policy p1
[HUAWEI-trafficpolicy-p1] classifier c1 behavior b1
[HUAWEI-trafficpolicy-p1] quit
[HUAWEI] interface gigabitethernet 0/0/1
[HUAWEI-GigabitEthernet0/0/1] traffic-policy p1 outbound
[HUAWEI-GigabitEthernet0/0/1] quit

Other related questions:
Configure rate limiting on the S1728GWR-4P switch
Configure rate limiting on an S1728GWR-4P switch as follows: 1. Choose Traffic > Rate Limit. 2. Select Enable in the Status column of the ports to be enabled with rate limiting. 3. Set limits for the ports. 4. Click Apply.

How to configure Assured Forwarding (AF) for packets of a certain type on an AR
On AR routers, you can run the queue af command to configure Assured Forwarding (AF) for packets of a certain type and set the minimum bandwidth. AF ensures a low drop probability of packets when the rate of outgoing service traffic does not exceed the minimum bandwidth. It is applied to services of heavy traffic whose bandwidth need to be ensured. Configuration example: Set the minimum bandwidth for the traffic of network segment 192.168.100.0 to 3000 kbit/s. [Huawei] acl 3022 //Configure an ACL to match traffic for which traffic is to be assured. [Huawei-acl-adv-3022] rule permit ip source 192.168.100.0 0.0.0.255 [Huawei-acl-adv-3022] quit [Huawei] traffic classifier c [Huawei-classifier-c] if-match acl 3022 //Create a traffic classifier to protect the traffic matching the ACL rule. [Huawei-classifier-c] quit [Huawei] traffic behavior b [Huawei-behavior-b] queue af bandwidth 3000 //Create a traffic behavior and set the minimum bandwidth to 3000 kbit/s. [Huawei-behavior-b] quit [Huawei] traffic policy p [Huawei-trafficpolicy-p] classifier c behavior b //Create a traffic policy and bind the traffic classifier and traffic behavior to the traffic policy. [Huawei-trafficpolicy-p] quit [Huawei] interface Ethernet 0/0/0 [Huawei-Ethernet0/0/0] traffic-policy p outbound //Apply the traffic policy on the interface.

Configure traffic shaping on the S1700-FR or S1700-GFR switch
Configure traffic shaping on an S1700-FR or S1700-GFR switch as follows: 1. Choose QoS > Traffic Shaping. 2. Select the interface on which traffic shaping is configured and click Configure. 3. Deselect Unlimited and enter a rate limit range in Minimum Rate/Maximum Rate. 4. Click Apply.

Whether S series switches support to configure bandwidth based on percentage
S series switches (except S1700) switch does not support to configure bandwidth based on percentage, but you can set the CAR through the flow strategy to achieve the same effect.

What is CSS card's bandwidth on S series modular switches
CSS cards such as ES02VSTSA (S7700) and LE0D0VSTSA00 (S9300) provide four 16GE optical interfaces for data transmission and line-speed switching, so a CSS card provides 64 Gbit/s bandwidth (4*16 Gbit/s). CSS cards such as EH1D2VS08000 (S9700&S12700) provide eight 16GE optical interfaces for data transmission and line-speed switching, so a CSS card provides 80 Gbit/s bandwidth (8*10 Gbit/s).

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