What cost styles can be configured in an IS-IS process of an S series switch and what are their features

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Q: What cost styles can be configured in an IS-IS process of an S series switch and what are their features?

A: The following cost styles can be configured in an IS-IS process:
narrow: indicates that packets with the cost style being narrow can be received or sent.
wide: indicates that the packets with the cost style being wide can be received or sent.
wide-compatible: indicates that the packets with the cost style being narrow or wide can be received but only the packets with the cost style being wide can be sent.
compatible: indicates that the packets with the cost style being narrow or wide can be received or sent.
narrow-compatible: indicates that the packets with the cost style being narrow or wide can be received but only the packets with the cost style being narrow can be sent.
Note:
The cost in narrow style ranges from 1 to 63 and the cost in wide style ranges from 1 to 16777215.

Other related questions:
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.

How do I configure the path cost of an STP port on an S series switch
To configure the path cost of an STP port on an S (except the S1700) or E series switch, run the following commands: Run the stp cost command in the interface view. [HUAWEI] interface gigabitethernet 0/0/1 [HUAWEI-GigabitEthernet0/0/1] stp cost 10000 For other configuration commands, visit "Common STP/RSTP Operations" in Common Operation Guide to view the related document. Common STP/RSTP operations are the same for all switch models.

Maximum number of equal-cost OSPF routes supported by an S series switch
The maximum number of equal-cost OSPF routes on an S series modular switch that supports OSPF is 16 and that on an S series fixed switch that supports OSPF is 8. You can run the maximum load-balancing number command to set the maximum number of equal-cost OSPF routes.

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