Kaspersky SD-WAN
2.2
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Managing OSPF areas

The table of OSPF areas is displayed in the CPE template and on the CPE device:

  • To display the table of OSPF areas in a CPE template, go to the SD-WAN → CPE templates menu section, click the CPE template, and select the OSPF → OSPF areas tab.
  • To display the table of OSPF areas on a CPE device, go to the SD-WAN → CPE menu section, click the CPE device, and select the OSPF → OSPF areas tab.

Information about OSPF areas is displayed in the following columns of the table:

  • OSPF area is the ID of the OSPF area in IPv4 address format or an integer.
  • Area type is the type of the OSPF stub area:
    • Stub
    • Stub NO-SUMMARY
    • NSSA
    • NSSA NO-SUMMARY

    This value is displayed only for stub areas.

  • OSPF ranges specifies OSPF ranges.
  • Management contains the actions that can be performed with the OSPF area.

In this section

Creating an OSPF area

Editing an OSPF area

Deleting an OSPF area
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[Topic 271029]

Creating an OSPF area

You can create an OSPF area in a CPE template or on a CPE device. An OSPF are created in the CPE template is automatically created on all CPE devices to which this CPE template is applied.

To create an OSPF area:

  1. Create an OSPF area in one of the following ways:
    • If you want to create an OSPF area in a CPE template, go to the SD-WAN → CPE templates menu section, click the CPE template, and select the OSPF → OSPF areas tab.
    • If you want to create an OSPF area on a CPE device, go to the SD-WAN → CPE menu section, click the CPE device, select the OSPF → OSPF areas tab, and select the Override check box.

    A table of OSPF areas is displayed.

  2. Click + OSPF area.
  3. This opens a window; in that window, in the OSPF area field, enter the OSPF area ID as an IPv4 address or an integer number.
  4. If you want to make the OSPF area a stub area:
    1. Select the Stub check box. This check box is cleared by default.
    2. In the Area type drop-down list, select the type of the stub OSPF area:
    3. If the Area type drop-down list, you selectedNSSA or NSSA NO-SUMMARY, if you need to prevent the advertisement of the 0.0.0.0/0 default route to the NSSA area, select the NSSA suppress FA check box. This check box is cleared by default.
    4. In the Default cost field, enter a metric for the default route or for summary routes. Range of values: 0 to 16,777,215.
  5. If you want to use the shortcut method for SPF calculations, select the Shortcut check box. This check box is cleared by default.
  6. In the Authentication drop-down list, select the OSPF authentication method:
    • Message digest to use the MD5 algorithm.
    • Simple password to use an unencrypted password. This authentication method is less secure than MD5 algorithm, however, it can provide authentication when used in a trusted network environment.
  7. If you want to specify OSPF ranges:
    1. Under OSPF ranges, click + Range.
    2. In the Range field, enter the IPv4 prefix of the routes.
    3. In the Action drop-down list, select the action to be performed with routes:
    4. If in the Action drop-down list, you selected Advertise or Substitute, in the Cost field, enter a metric for routes. Range of values: 0 to 16,777,215.

    The OSPF range is specified and displayed under OSPF ranges. You can specify multiple OSPF ranges or delete an OSPF range. To delete an OSPF range, click the delete icon next to it.

  8. If you want to connect an OSPF area to another OSPF area through a transit OSPF area, specify the virtual link:
    1. Under Virtual links, click + Virtual link.
    2. In the Address field, enter the IPv4 address of the network interface of the router in the transit area.

    The virtual link is specified and displayed under OSPF ranges. You can specify multiple virtual links or delete a virtual link. To delete a virtual link, click the delete icon next to it.

  9. If you want to configure route filtering for the OSPF area, under Filtering, do the following:
    1. Select the created access control lists:
      1. In the Export list drop-down list, select an access control list for routes that are advertised from the OSPF area to other OSPF areas.
      2. In the Import list drop-down list, select an access control list for routes that are advertised from other OSPF area to the given OSPF area.
    2. Select the created access lists:
      1. In the Outbound filter list drop-down list, select a prefix list for routes that are advertised from the OSPF area to other OSPF areas.
      2. In the Inbound filter list drop-down list, select a prefix list for routes that are advertised from other OSPF area to the given OSPF area.
  10. Click Save.

    The OSPF area is created and displayed in the table.

  11. In the upper part of the settings area, click Save to save the settings of the CPE template or CPE device.
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[Topic 261916]

Editing an OSPF area

You can edit an OSPF area in a CPE template or on a device. An OSPF area edited in the CPE template is automatically edited on all CPE devices that use this CPE template.

To edit an OSPF area:

  1. Edit an OSPF area in one of the following ways:
    • If you want to edit an OSPF area in a CPE template, go to the SD-WAN → CPE templates menu section, click the CPE template, and select the OSPF → OSPF areas tab.
    • If you want to edit an OSPF area on a CPE device, go to the SD-WAN → CPE menu section, click the CPE device, select the OSPF → OSPF areas tab, and select the Override check box.

    A table of OSPF areas is displayed.

  2. Click Edit next to the OSPF area that you want to edit.
  3. This opens a window; in that window, if necessary, edit the OSPF area settings. For a description of the settings, see the instructions for creating an OSPF area.
  4. Click Save.

    The OSPF area is modified and updated in the table.

  5. In the upper part of the settings area, click Save to save the settings of the CPE template or CPE device.
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[Topic 261973]

Deleting an OSPF area

You can delete an OSPF area in a CPE template or on a CPE device. An OSPF area deleted in the CPE template is automatically deleted on all CPE devices that use this CPE template.

Deleted OSPF areas cannot be restored.

To delete an OSPF area:

  1. Delete an OSPF area in one of the following ways:
    • If you want to delete an OSPF area in a CPE template, go to the SD-WAN → CPE templates menu section, click the CPE template, and select the OSPF → OSPF areas tab.
    • If you want to delete an OSPF area on a CPE device, go to the SD-WAN → CPE menu section, click the CPE device, select the OSPF → OSPF areas tab, and select the Override check box.

    A table of OSPF areas is displayed.

  2. Click Delete next to the OSPF area that you want to delete.
  3. In the confirmation window, click Delete.

    The OSPF area is deleted and is no longer displayed in the table.

  4. In the upper part of the settings area, click Save to save the settings of the CPE template or CPE device.
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[Topic 261976]