Example: Configuring IS-IS for CLNS

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, copy and paste the commands into the CLI at the [edit] hierarchy level, and then enter commit from configuration mode.

set routing-instances aaaa protocols isis clns-routing
set 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 bgp
set 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.

To configure IS-IS for CLNS:

1. Configure the routing instance.

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   [edit]
   user@host# edit routing-instances aaaa
   

2. Enable CLNS routing.

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   [edit routing-instances aaaa]
   user@host# set protocols isis clns-routing
   

3. Enable IS-IS on all interfaces.

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   [edit routing-instances aaaa]
   user@host# set protocols isis interface all
   

4. (Optional) Disable IPv4 and IPv6 routing to configure a pure CLNS network .

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   [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.

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   [edit policy-options]
   user@host# set policy-statement dist-bgp from family iso protocol bgp
   

6. Define the action for the export policy.

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   [edit  policy-options]
   user@host# set policy-statement dist-bgp then accept
   

7. Apply the export policy to IS-IS.

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   [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-instances
aaaa {
    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.

Purpose

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

Action

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

Purpose

Verify that IS-IS is enabled.

Action

From operational mode, enter the show protocols command.