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    Example: Configuring IS-IS for CLNS

    This example shows how to create a routing instance and enable IS-IS protocol on all interfaces.

    Requirements

    Before you begin, configure the network interfaces. See the Junos OS Interfaces Configuration Guide for Security Devices PDF Document.

    Overview

    The configuration instructions in this topic describe how to create a routing-instance called aaaa, enable IS-IS on all interfaces, and define BGP export policy name (dist-bgp), family (ISO), and protocol (BP), and apply the export policy to IS-IS.

    Configuration

    CLI Quick Configuration

    To quickly configure this example, copy the following commands, paste them into a text file, remove any line breaks, change any details necessary to match your network configuration, and then copy and paste the commands into the CLI at the [edit] hierarchy level.

    set routing-instances aaaa protocols isis clns-routingset routing-instances aaaa protocols isis interface all set routing-instances aaaa protocols isis no-ipv4-routing no-ipv6-routing set policy-options policy-statement dist-bgp from family iso protocol bgpset policy-options policy-statement dist-bgp then accept set routing-instances aaaa protocols isis export dist-bgp

    Step-by-Step Procedure

    The following example requires you to navigate various levels in the configuration hierarchy. For instructions on how to do that, see Using the CLI Editor in Configuration Mode in the Junos OS CLI User Guide PDF Document.

    To configure IS-IS for CLNS:

    1. Configure the routing instance.
      [edit]user@host# edit routing-instances aaaa
    2. Enable CLNS routing.
      [edit routing-instances aaaa]user@host# set protocols isis clns-routing
    3. Enable IS-IS on all interfaces.
      [edit routing-instances aaaa]user@host# set protocols isis interface all
    4. (Optional) Disable IPv4 and IPv6 routing to configure a pure CLNS network .
      [edit routing-instances aaaa]user@host# set protocols isis no-ipv4-routing no-ipv6-routing
    5. Define the BGP export policy name, family, and protocol.
      [edit policy-options]user@host# set policy-statement dist-bgp from family iso protocol bgp
    6. Define the action for the export policy.
      [edit policy-options]user@host# set policy-statement dist-bgp then accept
    7. Apply the export policy to IS-IS.
      [edit routing-instances aaaa]user@host# set protocols isis export dist-bgp

    Results

    From configuration mode, confirm your configuration by entering the show routing-instances command. If the output does not display the intended configuration, repeat the configuration instructions in this example to correct it.

    [edit]user@host# show routing-instancesaaaa {protocols {isis {export dist-bgp;no-ipv4-routing;no-ipv6-routing;clns-routing;interface all;}

    If you are done configuring the device, enter commit from configuration mode.

    Verification

    To confirm that the configuration is working properly, perform these tasks:

    Verifying Routing-Instance for CLNS

    Purpose

    Verify that the policy options are enabled for the routing instance.

    Action

    From operational mode, enter the show routing-instances command.

    Verifying IS-IS for CLNS

    Purpose

    Verify that IS-IS is enabled.

    Action

    From operational mode, enter the show protocols command.

     

    Related Documentation

     

    Published: 2012-06-29

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