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Home Documentation Junos OS Junos CLI Reference CLI Reference C

Junos CLI Reference

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Junos CLI Reference
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{ "lLangCode": "en", "lName": "English", "lCountryCode": "us", "transcode": "en_US" }
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cost

date_range 19-Nov-23
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Syntax

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cost cost;

Hierarchy Level

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[edit logical-systems logical-system-name protocols (mstp | rstp | vstp) interface interface-name],
[edit logical-systems logical-system-name protocols mstp msti msti-id interface interface-name],
[edit logical-systems logical-system-name protocols vstp vlan vlan-id interface interface-name],
[edit logical-systems logical-system-name routing-instances routing-instance-name protocols (mstp | rstp | vstp) interface interface-name],
[edit logical-systems logical-system-name routing-instances routing-instance-name protocols mstp msti msti-id interface interface-name],
[edit logical-systems logical-system-name routing-instances routing-instance-name protocols vstp vlan vlan-id interface interface-name],
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[edit protocols (mstp | rstp | vstp) interface interface-name],
[edit protocols mstp msti msti-id interface interface-name],
[edit protocols vstp vlan vlan-id interface interface-name],
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[edit routing-instances routing-instance-name protocols (mstp | rstp | vstp) interface interface-name],
[edit routing-instances routing-instance-name protocols mstp msti msti-id interface interface-name],
[edit routing-instances routing-instance-name protocols vstp vlan vlan-id interface interface-name]

Description

For Spanning Tree Protocol (STP), Rapid Spanning Tree Protocol (RSTP), VLAN Spanning Tree Protocol (VSTP), or Multiple Spanning Tree Protocol (MSTP), configure the link cost to control which bridge is the designated bridge and which interface is the designated interface.

Default

The link cost is determined by the link speed.

Options

cost—(Optional) Link cost associated with the port.

  • Range: 1 through 200,000,000

Required Privilege Level

routing—To view this statement in the configuration.

routing-control—To add this statement to the configuration.

Release Information

Statement introduced in Junos OS Release 8.4.

Statement updated in Junos OS Release 9.4 for EX Series switches to add VSTP support.

Support for logical systems added in Junos OS Release 9.6.

Related Documentation

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