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Configuring Longest Match for LDP

In order to allow LDP to learn the routes aggregated or summarized across OSPF areas or ISIS levels in inter -domain, Junos OS allows you to configure longest match for LDP based on RFC5283.

Before you configure longest match for LDP, you must do the following:

  1. Configure the device interfaces.

  2. Configure the MPLS protocol.

  3. Configure the OSPF protocol.

To configure longest match for LDP, you must do the following:

  1. Configure longest match for the LDP protocol.
  2. Configure the LDP protocol on the interface.

    For example, to configure the interfaces: