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Manual Chapter: Advertised Routes
Manual Chapter
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About advertised routes for WAN optimization

An advertised route is a subnet that can be reached through a WAN Optimization Manager™ (WOM®). After the WAN Optimization Managers in a pair have been configured and connected, they automatically exchange advertised route specifications between the endpoints. The local endpoint needs to advertise the subnets to which it is connected so that the remote endpoint can determine the destination addresses for which traffic can be optimized.

Advertised routes configured on the local endpoint become remote advertised routes on the remote endpoint; that is, the BIG-IP WOM on the other side of the WAN.

Enabling and modifying automatic discovery of advertised routes

By default, the automatic discovery of advertised routes is disabled. To enable this feature and modify the settings that pertain to it, follow this procedure.
Important: To use automatic discovery of advertised routes, you must select none for the IP Encapsulation Type setting on the Quick Start or Local Endpoint screen.
  1. On the Main tab, click WAN Optimization > Advertised Routes > Discovery.
  2. For Advertised Routes, specify whether remote systems automatically discover servers that can be reached through the local endpoint.
    Note: For server discovery to take place, the setting Discover Other Endpoints on the Remote Endpoints Dynamic Discovery screen of the WOM, at the other end of the connection, must not be set to Disabled.
  3. In the Stop discovery after field, type the maximum number of servers you want the system to discover before it stops looking.
  4. In the Do not add servers with RTT greater than field, type the maximum round-trip time in milliseconds. The system does not add discovered servers that have an RTT over this value.
  5. Click Update to save changes.

Adding advertised routes manually

An advertised route is a subnet that can be reached through the local endpoint. You can add advertised routes manually. For example, if you disabled the Discovery setting on the Quick Start screen.
  1. On the Main tab, expand WAN Optimization and click Advertised Routes.
  2. Click Create. The New Advertised Routes screen opens.
  3. In the Name field, type a name for a the subnet.
  4. In the Address field, type the IP address of the subnet.
  5. In the Netmask field, type the subnet mask.
  6. In the Label field, type a descriptive label to identify the subnet.
  7. For the Mode setting, specify whether traffic on the subnet is included in optimization. If you select Excluded, the local and remote endpoints exchange subnet configuration information, but traffic on this subnet is excluded from optimization.
    Note: This setting allows you to define a subset of IP addresses to exclude from optimization within a larger included subnet. An excluded endpoint advertised route must be a valid address range subset of an included endpoint advertised route.
  8. Depending on how many advertised routes you want to add, click the appropriate button.
    Option Description
    Repeat Save this route and add more advertised routes.
    Finished You have finished adding advertised routes.
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