Backplane bandwidth of S series switches

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The backplane bandwidth is the maximum traffic volume that can be exchanged between the interface processor or interface card and the data bus. The backplane bandwidth is also called switching bandwidth, which indicates the overall data switching capability of a switch, measured in Gbit/s. The higher backplane bandwidth indicates the greater data processing capability, but with higher design cost.
For details about backplane bandwidth, contact your local Huawei office.

Other related questions:
Backplane bandwidth of the HUNQ2 board
The maximum backplane-side bandwidth of the HUNQ2 board is 40 Gbit/s.

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).

How to configure S series switches to ensure video service bandwidth
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

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.

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