To configure a VRF instance on a VPRN site

Purpose

Route targets are used to identify the VRFs of a VPRN. A PE router that is not a route reflector or an AS border router installs a VPRN route only when its import target matches the target of the route.

A fully-meshed VPRN requires one target for all participating VRFs. A hub-and-spoke VPRN requires VRF import and export targets. The export target of the hub VRF must be the same as the import target of the spoke VRFs. The import target of the hub VRF must be the same as the export target of the spoke VRF. VPRN VRF targets must not overlap.

Steps
 
1 

Choose Manage→Service→Services from the NFM-P main menu. The Manage Services form opens.

2 

Choose a VPRN service and click Properties. The VPRN Service (Edit) form opens.

3 

On the service navigation tree, expand the Sites icon, right-click on a routing instance and choose Properties. The VPRN Site (Edit) form opens.

4 

Click on the VRF Target tab and configure the VRF Target Type parameter.

Set the VRF Target Type parameter to Define Default if you need to specify a default VRF target for the site. Otherwise, go to Step 6 .

5 

To specify a two-byte AS number for the default target, set the Target Format parameter to AS and configure the required parameters.

  1. You can click Suggest Value to let the NFM-P assign these values. Choose Generate Unique VRF Target from the drop-down menu.

    The Target AS Value parameter is the Autonomous System number of the PE NE. For the Target Extended Community Value parameter, the NFM-P assigns the next unused number within the valid range. When all of the numbers within the valid range have been used once, the system starts at the beginning of the range and assigns the next available number.

  2. To specify an IP Address for the default target, set the Target Format parameter to IP Address and configure the required parameters.

  3. To specify a four-byte AS number for the default target, set the Target Format parameter to AS-4Byte Address and configure the required parameters.

    You can click Suggest Value to let the NFM-P assign these values. Choose Generate Unique VRF Target from the drop-down menu.

    The Target AS Value (4Byte) is the Autonomous System number of the PE NE. For the Target Community Value parameter, the NFM-P assigns the next unused number within the valid range. When all of the numbers within the valid range have been used once, the system starts at the beginning of the range and assigns the next available number.

6 

Set the VRF Target Type parameter to Define Import and Export if you need to specify import and export VRF targets for the service site.

7 

To specify no VRF import target format for the site, set the Import Target Format parameter to None and go to Step 10 . Otherwise, go to Step 8 .

8 

To specify a two-byte import target format for the site, set the Import Target Format parameter to AS and configure the required parameters. Otherwise, go to Step 9 .

You can click on the Suggest Value button to let the NFM-P assign these values. Choose Generate Unique VRF Target from the drop-down menu.

The Import Target AS Value parameter is the two-byte Autonomous System number of the PE node. For the Import Target Extended Community Value, the NFM-P assigns the next unused number within the valid range. When all of the numbers within the valid range have been used once, the system starts at the beginning of the range and assigns the next available number.

9 

To specify an IP Address as the import target, set the Import Target Format parameter to IP Address and configure the required parameters. Otherwise, go to Step 11 .

10 

To specify a four-byte AS number for the import target format, set the Import Target Format parameter to AS-4Byte Address and configure the required parameters.

You can click on the Suggest Value button to let the NFM-P assign these values. Choose Generate Unique VRF Target from the drop-down menu.

The Import Target AS Value (4Byte) is the four-byte Autonomous System number of the PE node. For the Import Target Community Value parameter, the NFM-P assigns the next unused number within the valid range. When all of the numbers within the valid range have been used once, the system starts at the beginning of the range and assigns the next available number.

11 

To specify no VRF export target format for the site, set the Export Target Format parameter to None and go to Step 15 . Otherwise, go to Step 12 .

12 

To specify a two-byte export target format for the site, set the Export Target Format parameter to AS and configure the required parameters. Otherwise, go to Step 13 .

You can click on the Suggest Value button to let the NFM-P assign these values. Choose Generate Unique VRF Target from the drop-down menu.

The Export Target AS Value parameter is the two-byte Autonomous System number of the PE node. For the Export Target Extended Community Value, the NFM-P assigns the next unused number within the valid range. When all of the numbers within the valid range have been used once, the system starts at the beginning of the range and assigns the next available number.

13 

To specify an IP Address as the export target, set the Export Target Format parameter to IP Address and configure the required parameters. Otherwise, go to Step 14 .

14 

To specify a four-byte AS number for the export target format, set the Export Target Format parameter to AS-4Byte Address and configure the required parameters.

You can click on the Suggest Value button to let the NFM-P assign these values. Choose Generate Unique VRF Target from the drop-down menu.

The Export Target AS Value (4Byte) is the four-byte Autonomous System number of the PE node. For the Import Target Community Value parameter, the NFM-P assigns the next unused number within the valid range. When all of the numbers within the valid range have been used once, the system starts at the beginning of the range and assigns the next available number.

15 

Save and close the forms.

End of steps