Configuring a loopback address

Ensure that you set up a loopback address with the IP address of the (virtual IP) for your operating system on each of the computers on which the SIP Edge proxy server is installed.

Before you begin

Refer to your Microsoft™ documentation for instructions on how to install the Microsoft Loopback Adapter. Complete that procedure.

About this task

For more information about configuring a loopback address, see the IBM® WebSphere® product documentation.

Procedure

  1. From the Control Panel, click Network and Dial-up Connections.
  2. Select the connection with Device Name Microsoft Loopback Adapter.
  3. Select Properties from the list.
  4. Select Internet Protocol (TCP/IP), then click Properties.
  5. Click Use the following IP address. Fill in IP address with the cluster address, and Subnet mask with the subnet mask of the back-end server.
    Note: Do not enter a router address; use the localhost as the default DNS server.
  6. Make sure the loopback adapter is listed in the correct order as described:
    1. Open the Network Connections panel.
    2. Find Advanced > Advanced Settings.
    3. In the Connections box on the Adapters and Bindings tab, make sure Loopback adapter is listed after Local Area Connection and move the Loopback adapter if the order is not correct. It is essential that the physical IP address appears as the first entry in the list (instead of the virtual IP address).
    4. Change the order if required.