Virtual MAC Address Configuration

To create a virtual MAC address:

1. Determine the Ethernet address of the Oracle® Enterprise Session Border Controller by using the ACLI show interfaces command. This command only works if you have already set up phy-interface configurations. Otherwise, you will get no output.

   The example below shows you where the Ethernet address information appears; this sample has been shortened for the sake of brevity. For each type of physical interface card, the Oracle® Enterprise Session Border Controller displays the following:

   ORACLE# show interfaces
   f00 (media slot 0, port 0)
        Flags: UP BROADCAST MULTICAST ARP RUNNING
        Type: GIGABIT_ETHERNET
        Admin State: enabled
        Auto Negotiation: enabled
        Internet address: 10.10.0.10     Vlan: 0
        Broadcast Address: 10.10.255.255
        Netmask: 0xffff0000
        Gateway: 10.10.0.1
        Ethernet address is 00:08:25:01:07:64

2. Identify the root portion of the Ethernet (MAC) address.

   Each Oracle® Enterprise Session Border Controller has MAC addresses assigned to it according to the following format: 00:08:25:XX:YY:ZN where:

   • 00:08:25 refers to Acme Packet

   • XX:YY:ZN refers to the specific Oracle® Enterprise Session Border Controller

   • N is a 0-f hexadecimal value available for the Oracle® Enterprise Session Border Controller

     In this example, the root part of this address is 00:08:25:XX:YY:Z.

3. To create an unused MAC address (that you will use as the virtual MAC address) take the root MAC address you have just identified. Replace this N value with unused hexadecimal values for the Oracle® Enterprise Session Border Controller: 8, 9, e, or f.

   In other words, you change the last digit of the MAC address to either 8, 9, e, or f depending on which of those address are not being used.

   For example, for an HA node with MAC address bases of 00:08:25:00:00:00 and 00:08:25:00:00:10, the following addresses would be available for use at virtual MAC addresses:

   • 00:08:25:00:00:08

   • 00:08:25:00:00:09

   • 00:08:25:00:00:0e

   • 00:08:25:00:00:0f

   • 00:08:25:00:00:18

   • 00:08:25:00:00:19

   • 00:08:25:00:00:1e

   • 00:08:25:00:00:1f

     Corresponding media interfaces in HA nodes must have the same virtual MAC addresses. Given that you have various physical interface card options, the following points illustrate how virtual MAC address can be shared:

   If you are using a four-port GigE physical interface card, both the active Oracle® Enterprise Session Border Controllerand the standby Oracle® Enterprise Session Border Controller might have the following virtual MAC address scheme for the slots:

   • Slot 0 _ 00:08:25:00:00:0e and 00:08:25:00:00:0f
   • Slot 1 - 00:08:25:00:00:1e and 00:08:25:00:00:1f

     Note:

     Note the virtual MAC addresses you have created so that you can reference them easily when you are configuring the phy-interfaces for HA.