Use Case: Configure Active/Active HA with Floating IP Addresses
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Use Case: Configure Active/Active HA with Floating IP Addresses

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Use Case: Configure Active/Active HA with Floating IP Addresses

In this Layer 3 interface example, the HA firewalls connect to switches and use floating IP addresses to handle link or firewall failures. The end hosts are each configured with a gateway, which is the floating IP address of one of the HA firewalls. See Floating IP Address and Virtual MAC Address.
  1. Perform Step 1 through Step 15.
  2. Configure an HA virtual address.
    You need a virtual address to use a Floating IP Address and Virtual MAC Address.
    1. In
      Device
      High Availability
      Active/Active Config
      ,
      Add
      a Virtual Address.
    2. Enter or select an
      Interface
      .
    3. Select the
      IPv4
      or
      IPv6
      tab and click
      Add
      .
    4. Enter an
      IPv4 Address
      or
      IPv6 Address
      .
    5. For
      Type
      , select
      Floating
      to configure the virtual IP address to be a floating IP address.
  3. Configure the floating IP address.
    1. Do not select
      Floating IP bound to the Active-Primary device
      .
    2. For
      Device 0 Priority
      and
      Device 1 Priority
      , enter a priority for the firewall configured with Device ID 0 and Device ID 1, respectively. The relative priorities determine which peer owns the floating IP address you just configured (range is 0 to 255). The firewall with the lowest priority value (highest priority) owns the floating IP address.
    3. Select
      Failover address if link state is down
      to cause the firewall to use the failover address when the link state on the interface is down.
    4. Click
      OK
      .
  4. Enable jumbo frames on firewalls other than PA-7000 Series firewalls.
    Perform Step 19 of Configure Active/Active HA.
  5. Commit
    the configuration.
  6. Configure the peer firewall in the same way, except selecting a different Device ID.
    For example, if you selected Device ID
    0
    for the first firewall, select Device ID
    1
    for the peer firewall.

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