Functions available only after licenses are loaded to S series switch

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S series fixed switches:
In V200R007 and earlier versions, fixed switches, except S5720HI, do not support license files. All functions are available without the need of license.
The S5720HI can increase the number of IPv4 FIB entries or connected APs by loading different licenses. In V200R007, the SVF function is provided by S5720HI after a license is loaded. Other basic functions do not need licenses.

S series modular switches:
The MPLS, NQA, IPv6, traffic distribution, and SVF features of the S7700&S9700&S12700 are controlled by licenses. Without the corresponding licenses loaded, the commands can be executed, but the functions do not take effect. After the corresponding licenses are loaded, X1E boards can support more FIB entries, PPPoE users, or APs.
The MPLS, NQA, IPv6, traffic distribution, and service port cluster features of the S9300 are controlled by licenses. Without the corresponding licenses loaded, the commands can be executed, but the functions do not take effect. In addition, by using different licenses, X1E boards can extend FIB entries.
Note: On an S9300, before a service port cluster is established, load licenses to both active/standby chassis.

Other related questions:
License support on S series switch
S series switches support licenses as follows: Among S series fixed switches, only S5720HI switches in V200R006C00 and later versions support license files.(The S5720HI can increase the number of IPv4 FIB entries or connected APs by loading different licenses.) All S series modular switches support license files.

Does the license need to be loaded or activated again after an S serieS series switches restarts
For an S series (except the S1700) switch: - When the switch is powered off, restarted, or upgraded, you do not need to apply for, load, or activate the license again because the license status is automatically recovered. - After a license is loaded or activated, the switch does not need to be restarted.

S series switch models
S series switches include the following series: S1700, S2700, S3700, S5700, S6700, S9300, S7700, S9700, and S12700 series. You can find the specific models of each series in the hardware query tool or hardware description manual. To query specific models of S series switches, click Hardware Query. To obtain S1700 product description, click S1700 Managed Switch Product Description. To obtain S2700 hardware description, click S2700 Hardware Description. To obtain S3700 hardware description, click S3700 Hardware Description. To obtain S5700 hardware description, click S5700 Hardware Description. To obtain S6700 hardware description, click S6700 Hardware Description. To obtain S9300 hardware description, click S9300&S9300E Hardware Description. To obtain S7700 hardware description, click S7700 Hardware Description. To obtain S9700 hardware description, click S9700 Hardware Description. To obtain S12700 hardware description, click S12700 Hardware Description.

Load a license for a stack of CE series switches
Load a license for a stack of CE series switches as follows: 1. Apply for a license and upload the license file to the master switch of the stack system. A license is bound to the ESN of a physical device, and each stack member has an independent ESN. You can apply for a license for two switches in a stack or for each switch. 2. Run the license active file-name command in the user view to activate the uploaded license file. - If there are two license files, run the license active file-name command twice and specify two different file names. The system will then find the matching ESNs to activate the license files. - If there is only one license file, run the license active file-name command only once. 3. Run the display license command to check whether the license file has been successfully loaded. If you load the licenses on two switches and then set up a stack system, the features activated for the stack are a combination of features activated for the two member switches. If a license is uploaded to only one of the two switches, the license is valid for the stack system. If the stack system splits, the licenses loaded to the switches respectively take effect. In addition, the activated licensed features can still be used on the switches even if these features are not activated using the switches' own license.

How to configure load balancing for the Eth-Trunk on S series switches
S series switches (except the S1700) use a per-flow load balancing mechanism, which ensures that frames of the same data flow are forwarded on the same physical link, and different data flows are forwarded on different physical links. You can configure common load balancing mode to implement load balancing based on IP addresses or MAC addresses of packets. For L2, IP, and MPLS packets, you can also configure enhanced load balancing mode. Load balancing takes effect only for the outbound traffic. Therefore, load balancing modes can be different on the two ends of a link. 1. Commands for configuring common load balancing mode: [HUAWEI] interface Eth-Trunk 1 [HUAWEI-Eth-Trunk1] load-balance dst-mac 2. Commands for configuring enhanced load balancing mode: [HUAWEI] load-balance-profile a [HUAWEI-load-balance-profile-a] l2 field smac [HUAWEI-load-balance-profile-a] quit [HUAWEI] interface Eth-Trunk 1 [HUAWEI-Eth-Trunk1] load-balance enhanced profile a For configuration cases about common load balancing mode, see "Typical Ethernet Switching Configuration -Link Aggregation Configuration- Example for Configuring Link Aggregation in Manual Mode When Switches Are Directly Connected" in S1720&S2700&S3700&S5700&S6700&S7700&S9700 Typical Configuration Examples. The configuration cases of common load balancing are applicable to all S series switch models. The Sx700 series switch is used here as an example.

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