Whether S series switches support OSPF

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For details on whether S series switches in V200R008 and earlier versions support or do not support OSPF, see the following:
�?S7700/S9700/S12700: Support
�?S9300: Support
�?S6720EI: Support
�?S6700EI: Support
�?S5720HI: Support
�?S5710HI: Support
�?S5700HI: Support
�?S5720EI: Support
�?S5710EI: Support
�?S5700EI: Support
�?S5720SI/S5720S-SI: Support
�?S5700SI: Not support
�?S5710LI: Not support
�?S5700LI: Not support
�?S5700S-LI: Not support
�?S3700HI: Support
�?S3700EI: Support
�?S3700SI: Not support
�?S2750EI: Not support
�?S2720EI: Not support
�?S2700EI: Not support
�?S2710SI: Not support
�?S2700SI: Not support
�?S1720: Not support

For details on whether S series switches in V200R008 and earlier versions support or do not support OSPFv3, see the following:
�?S7700/S9700/S12700: Support
�?S9300: Support
�?S6720EI: Support
�?S6700EI: Support
�?S5720HI: Support
�?S5710HI: Support
�?S5700HI: Support
�?S5720EI: Support
�?S5710EI: Support
�?S5700EI: Support
�?S5720SI/S5720S-SI: Support
�?S5700SI: Not support
�?S5710LI: Not support
�?S5700LI: Not support
�?S5700S-LI: Not support
�?S3700HI: Support
�?S3700EI: Support
�?S3700SI: Not support
�?S2750EI: Not support
�?S2720EI: Not support
�?S2700EI: Not support
�?S2710SI: Not support
�?S2700SI: Not support
�?S1720: Not support

Other related questions:
Do S series switches support SNMP?
SNMP is a basic feature of S series switches (except S1700), and is supported by all device models and versions.

Whether S series switches support NAT
S series switches do not support NAT, but S series modular switches configured with SPUs support NAT. 1. S series fixed switches do not support NAT. 2. S7700 and S9700 series modular switches configured with SPUs support NAT. 3. S9300 series modular switches configured with SPUs support NAT. 4. S12700 series modular switches do not support NAT.

Whether S series switches support NQA
To support NQA, the version of the S9300 must be V100R002 or later, the version of the S7700 must be V100R003 or later, the version of the S9700 must be V200R001 or later, and the version of the S12700 must be V200R005 or later. The NQA function is controlled by a license. On a new device without the corresponding licenses loaded, NQA commands can be executed, but the function does not take effect. All S series fixed switches (except S1700 switches) support the NQA function. NQA test instances supported by different switch models vary and can be used without a license.

Whether S series switches support HWTACACS
S series switches (except S1700 switches) support HWTACACS.

OSPF cost of S series switches
The ospf cost command can be executed on an S series switch that supports OSPF to configure the cost required for running the OSPF protocol on an interface. Application scenario: The interface cost can be automatically calculated by OSPF based on the interface bandwidth or manually configured by using the ospf cost command. If the costs and destination IP addresses of multiple routes discovered by one routing protocol are the same, load balancing can be implemented among the routes. Modify interface costs to implement load balancing as required. Configuration impact: If no interface cost is configured by using the ospf cost command, OSPF automatically calculates the interface cost based on the interface bandwidth. The calculation formula is as follows: Cost of the interface = Bandwidth reference value/Interface bandwidth. The integer of the calculated result is the cost of the interface. If the calculated result is smaller than 1, the cost value is 1. Changing the bandwidth reference value can change the cost of an interface. By default, the bandwidth reference value is 100 Mbit/s. Therefore, the default cost value of an Ethernet (100 Mbit/s) interface is 1 (100,000,000/the interface bandwidth). Example: Set the cost required by VLANIF 100 for running OSPF to 65. [HUAWEI] interface vlanif 100 [HUAWEI-Vlanif100] ospf cost 65 Set the cost required by GE0/0/1 for running OSPF to 65. [HUAWEI] interface gigabitethernet 0/0/1 [HUAWEI-GigabitEthernet0/0/1] undo portswitch [HUAWEI-GigabitEthernet0/0/1] ospf cost 65 Note: The cost calculated by OSPF is the cost of the route to the outbound interface of the destination network.

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