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Enabling MPLS on the Router

To include a J-series Services Router running JUNOS software in an MPLS network, you must enable the router for MPLS. Perform these tasks on all the Services Routers running JUNOS software.

  1. Navigate to the top of the configuration hierarchy in either the J-Web or CLI configuration editor.
  2. Complete the preconfiguration tasks described in Deleting Security Services. You will get a commit failure if you do not complete the tasks described in Table 128.
  3. Perform the configuration tasks described in Table 129.
  4. If you are finished configuring the router, commit the configuration.
  5. Reboot your router.
  6. Go on to Configuring Signaling Protocols for Traffic Engineering.

Table 129: Enabling MPLS

Task

J-Web Configuration Editor

CLI Configuration Editor

Navigate to the Security level of the configuration hierarchy

  1. In the J-Web interface, select Configuration>View and Edit>Edit Configuration.
  2. Next to Security, click Configure or Edit.

From the [edit] hierarchy level, enter

edit security

Enable MPLS for packet-based processing.

  1. On the main Security Configuration page next to Forwarding Options, click Configure or Edit.
  2. Next to Family, click Configure or Edit.
  3. Next to Mpls, click Configure or Edit.
  4. Next to Mode, select packet-based.
  5. Click OK.
  1. From the [edit security] hierarchy level, enter

    edit forwarding-options

  2. Enter

    set family mpls mode packet-based

Enable the MPLS family on all transit interfaces on the router.

  1. On the main Configuration page next to Interfaces, click edit.
  2. Select the transit interface on which you want to configure MPLS—for example, ge-1/0/0.
  3. In the Unit table, click the unit number for which you want to enable MPLS—for example, 0.
  4. In the Family area, select the Mpls check box.
  5. Click OK.
  6. Repeat Steps 1 through 5 for each transit interface that you want to include in the MPLS network.
  1. From the [edit] hierarchy level, enter

    edit interfaces

  2. Add the MPLS family to all transit interfaces. For example:

    set interfaces ge-1/0/0 unit 0 family mpls

  3. Repeat Steps 1 and 2 for each transit interface that you want to include in the MPLS network.

Enable the MPLS process on all MPLS interfaces.

  1. On the main Configuration page next to Protocols, click Configure or Edit.
  2. Next to Mpls, click Configure or Edit.
  3. Next to Interface, click Add new entry.
  4. In the Interface name box, type all.
  5. Click OK.
  6. Repeat Steps 1 through 5 for each transit interface on the routers in the MPLS network.
  1. From the [edit] hierarchy level, enter

    edit protocols mpls

  2. Enter

    set interface all

  3. Repeat Steps 1 and 2 for each transit interface on the routers in the MPLS network.

Caution: If you disable MPLS and switch back to using the security services (flow-based processing), we recommend that you restart your router. Management sessions are reset, and transit traffic is interrupted.


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