License support on S series switch

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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.

Other related questions:
License classification on S series switch
Licenses are classified as follows: Depending on purpose, licenses are classified into commercial (COMM) licenses and non-commercial (DEMO) licenses. Commercial license Generally, these licenses are purchased according to contracts, and are permanently valid. Non-commercial license These licenses are used for special purposes such as testing and trial, and are strictly controlled. Depending on authority, licenses are classified into feature licenses and capacity licenses. Feature license License-controlled features cannot be used without a license. An enhanced feature takes effect only after the value-added feature or another enhanced feature it depends on takes effect. Therefore, both the license for the enhanced function and the license for the dependent function must be installed. Capacity license These licenses are used to expand dynamic resources on the product. A capacity license takes effect only after the corresponding feature takes effect. If the feature is a license-controlled one, the license for the feature must be loaded before the capacity license. Customers can choose not to purchase a capacity license and use the default number of resources supported by the product, or purchase one or more licenses to obtain the total number of resources supported by the purchased licenses.

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.

DHCPv6 support on S series switch
Versions and models of S series switches (except S1700 switches) that support DHCPv6 are as follows: - S9300 and S7700 series switches in V100R003 and later versions - S3700SI, S3700EI, S5700SI, and S5700EI switches in V100R005 and later versions - S3700HI, S5700HI, and S6700EI switches in V100R006 and later versions - S9700 series, S5700LI, S5700S-LI, S5710-C-LI, and S5710EI switches in V200R001 and later versions - S2750EI and S5710HI switches in V200R003 and later versions - S12708 and S12712 switches in V200R005 and later versions - S1720, S2720EI, and S5720HI switches in V200R006 and later versions - S5720EI switches in V200R007 and later versions

DDNS support on S series switch
The Dynamic Domain Name System (DDNS) updates the mappings between domain names and IP addresses on the DNS server, so that the DNS server can resolve the domain names into correct IP addresses. Currently, S series switches do not support DDNS.

Functions available only after licenses are loaded to S series switch
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.

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