Configuration Prerequisites; Configuration Procedure - HP 12500 Series Configuration Manual

Configure MPLS TE properties for links and advertise them through IGP TE extension to form a TEDB.
•
• Configure tunnel constraints.
Use the CSPF algorithm to calculate a preferred path based on the TEDB and tunnel constraints.
•
Establish the path by using the signaling protocol RSVP-TE.
•
NOTE:
To form a TEDB, you must configure the IGP TE extension for the nodes on the network to send TE LSAs. If
the IGP TE extension is not configured, the CR-LSP is created based on IGP routing rather than computed
by CSPF.

Configuration prerequisites

Before you perform the configuration, complete the following tasks:
Configure static routing or an IGP protocol to ensure all LSRs are reachable.
•
Configure basic MPLS.
•
• Configure MPLS TE basic settings.

Configuration procedure

Complete the following tasks to configure an MPLS TE tunnel using a dynamic signaling protocol:
Task
Configuring CSPF
Configuring OSPF TE
Configuring IS-IS TE
Configuring an MPLS TE explicit path
Configuring MPLS TE tunnel constraints
Establishing an MPLS TE tunnel with RSVP-TE
Configuring CSPF
With CSPF enabled, a node uses CSPF to calculate the shortest path that satisfies TE requirements.
To configure CSPF:
To do...
Enter system view
Enter MPLS view
Enable CSPF on your device
Configuring OSPF TE
Configure OSPF TE if the routing protocol is OSPF and a dynamic signaling protocol is used for MPLS TE
tunnel setup.
Remarks
Optional
Required when CSPF is configured.
Choose one depending on the IGP protocol used.
Optional
Optional
Optional
Use the command...
system-view
mpls
mpls te cspf
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Remarks
—
—
Required
Disabled by default