Cost calculate
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Hi @simchamnan On an IS-IS network, the default cost of an IS-IS interface is 10. The cost of an IS-IS route is the sum of costs of all links between the source device and the destination device. The link cost of an IS-IS interface can be calculated in the following modes in descending order of priority: Run the isis cost command to set the link cost for a specified IS-IS interface. Run the circuit-cost command to set the link cost for all IS-IS interfaces. Run the auto-cost enable command to enable automatic calculation of the link cost of an interface. Before using the auto-cost enable command, run the bandwidth-reference command to set the bandwidth reference value. By default, the bandwidth reference value is 100 Mbit/s. The bandwidth reference value takes effect only when the cost type is wide or wide-compatible. The cost of each interface is calculated as follows: Cost of each interface = (Bandwidth reference value/Interface bandwidth) x 10 If the cost type is narrow, narrow-compatible, or compatible, the cost of each interface can be obtained from table below:
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Hi @simchamnan On an IS-IS network, the default cost of an IS-IS interface is 10. The cost of an IS-IS route is the sum of costs of all links between the source device and the destination device. The link cost of an IS-IS interface can be calculated in the following modes in descending order of priority: Run the isis cost command to set the link cost for a specified IS-IS interface. Run the circuit-cost command to set the link cost for all IS-IS interfaces. Run the auto-cost enable command to enable automatic calculation of the link cost of an interface. Before using the auto-cost enable command, run the bandwidth-reference command to set the bandwidth reference value. By default, the bandwidth reference value is 100 Mbit/s. The bandwidth reference value takes effect only when the cost type is wide or wide-compatible. The cost of each interface is calculated as follows: Cost of each interface = (Bandwidth reference value/Interface bandwidth) x 10 If the cost type is narrow, narrow-compatible, or compatible, the cost of each interface can be obtained from table below:
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