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Disabling CSPF for Bypass LSPs

Under certain circumstances, you might need to disable CSPF computation for bypass LSPs and use the configured Explicit route object (ERO) if available. For example, a bypass LSP might need to traverse multiple OSPF areas or IS-IS levels, preventing the CSPF computation from working. To ensure that link and node protection function properly in this case, you have to disable CSPF computation for the bypass LSP.

You can disable CSPF computation for all bypass LSPs or for specific bypass LSPs.

To disable CSPF computation for bypass LSPs, include the no-cspf statement:




no-cspf;

For a list of hierarchy levels where you can include this statement, see the statement summary for this statement.

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