Secure SD-WAN 7.2.1 Installation Guide

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Forcepoint FlexEdge Secure SD-WAN deployment
Forcepoint FlexEdge Secure SD-WAN deployment consists of adding and configuring engine elements in the SMC, and configuring the Secure SD-WAN Engine software on the engine.
Configuring Forcepoint FlexEdge Secure SD-WAN for the Engine/VPN role
Configuring engine elements in the SMC prepares the SMC to manage Secure SD-WAN Engines in the Engine/VPN role.
Configuring Engine Clusters
After you have the SMC installed and running, you can configure the Engine Cluster elements.
Add layer 2 interfaces to Engine Clusters
Layer 2 interfaces are used in traffic inspection on Engine Clusters.

Introduction to the Forcepoint FlexEdge Secure SD-WAN solution
Before setting up Forcepoint FlexEdge Secure SD-WAN, it is useful to know what the different components do and what engine roles are available. There are also tasks that you must complete to prepare for installation.
FlexEdge Secure SD-WAN Manager deployment
SMC is the management component of the Secure SD-WAN system. SMC must be installed and running before you can deploy the Secure SD-WAN engines.
Forcepoint FlexEdge Secure SD-WAN deployment
Forcepoint FlexEdge Secure SD-WAN deployment consists of adding and configuring engine elements in the SMC, and configuring the Secure SD-WAN Engine software on the engine.
- Configuring Forcepoint FlexEdge Secure SD-WAN for the Engine/VPN role
  Configuring engine elements in the SMC prepares the SMC to manage Secure SD-WAN Engines in the Engine/VPN role.
  - Types of interfaces for Secure SD-WAN Engines in the Engine/VPN role
    You can configure several types of interfaces for Secure SD-WAN Engines in the Engine/VPN role.
  - Interface numbering
    The interfaces have their own numbering in the SMC called the interface ID. The interface IDs are mapped to the corresponding network interfaces on the Secure SD-WAN Engine when you configure the Secure SD-WAN Engine software.
  - Install licenses for FlexEdge Secure SD-WAN Engines
    Install the Secure SD-WAN Engine licenses that you downloaded while preparing for installation.
  - Configuring single engines
    After you have the SMC installed and running, you can configure the Single Engine elements.
  - Configuring Engine Clusters
    After you have the SMC installed and running, you can configure the Engine Cluster elements.
    - Considerations for Engine Clusters
      There are several operating modes for the physical interfaces of a Engine Cluster. Packet dispatch mode is recommended for new installations.
    - Create a Engine Cluster element
      To introduce a new Engine Cluster to the SMC, you must define a Engine Cluster element that stores the configuration information related to the Engine.
    - Add a node to a Engine Cluster
      The Engine Cluster element has two nodes when the element is created.
    - Add layer 3 interfaces to Engine Clusters
      Layer 3 interfaces are used in system communications and in traffic inspection on Engine Clusters.
    - Add IP addresses for Engine Cluster interfaces
      To route traffic through the engine, each Engine Cluster interface must have at least two IP addresses.
    - Add layer 2 interfaces to Engine Clusters
      Layer 2 interfaces are used in traffic inspection on Engine Clusters.
      - Add logical interfaces to Engine Clusters
        Logical Interface elements are used in the Layer 2 Interface Policy and the traffic inspection process to represent a network segment.
      - Add reset interfaces to Engine Clusters
        Reset interfaces can deliver TCP resets and ICMP destination unreachable messages to interrupt communications picked up from capture interfaces when the communications trigger a response.
      - Add capture interfaces to Engine Clusters
        Capture interfaces monitor traffic that external devices have duplicated for inspection to the Engine Cluster.
      - Add inline IPS interfaces to Engine Clusters
        There are two physical interfaces in an inline IPS interface. The traffic is forwarded from one interface to the other.
      - Bypass traffic on overload on Engine Clusters
        You can configure the Engine Cluster to bypass traffic when the traffic load becomes too high.
      - Add inline Layer 2 Engine interfaces to Engine Clusters
        There are two physical interfaces in an inline Layer 2 Engine interface. The traffic is forwarded from one interface to the other.
      - Add VLAN interfaces to layer 2 interfaces of Engine Clusters
        VLANs divide a single physical network link into several virtual links.
    - Set global interface options for a cluster
      Select which IP addresses are used for particular roles in system communications.
    - Add manual ARP entries for Engine Clusters
      ARP entries are normally managed automatically based on the Engine's routing configuration. However, you can also add manual ARP entries for the nodes.
    - Bind engine licenses to correct elements
      After you have configured the Engine Cluster elements, you must manually bind Management Server POL-bound licenses to specific nodes in Engine Cluster elements.
- Configuring FlexEdge Secure SD-WAN for the IPS role
  Configuring engine elements in the SMC prepares the SMC to manage FlexEdge Secure SD-WAN in the IPS role.
- Configuring FlexEdge Secure SD-WAN for the Layer 2 Engine role
  Configuring engine elements in the SMC prepares the SMC to manage Secure SD-WAN Engines in the Layer 2 Engine role.
- Configuring FlexEdge Secure SD-WAN Engines as Master FlexEdge Secure SD-WAN Engines and Virtual FlexEdge Secure SD-WAN Engines
  Configuring engine elements in the SMC prepares the SMC to manage Master Secure SD-WAN Engines and Virtual Secure SD-WAN Engines.
- Configuring routing
  After creating the Secure SD-WAN Engine elements and defining the interfaces, you can configure the basic routing.
- Initial configuration of Secure SD-WAN Engine software
  After configuring the Secure SD-WAN Engines in the Management Client, apply the initial configuration of the Secure SD-WAN Engine and contact the Management Server.
- Creating and installing policies
  After successfully applying the initial configuration and establishing contact between the Secure SD-WAN Engines and the Management Server, the Secure SD-WAN Engine is in the initial configuration state. Now you can create and install policies for access control or inspecting traffic.
Maintenance
To maximize the benefit of Secure SD-WAN, upgrade the SMC and Secure SD-WAN regularly.
Appendices

Add layer 2 interfaces to Engine Clusters

Layer 2 interfaces are used in traffic inspection on Engine Clusters.

Add logical interfaces to Engine Clusters
Logical Interface elements are used in the Layer 2 Interface Policy and the traffic inspection process to represent a network segment.
Add reset interfaces to Engine Clusters
Reset interfaces can deliver TCP resets and ICMP destination unreachable messages to interrupt communications picked up from capture interfaces when the communications trigger a response.
Add capture interfaces to Engine Clusters
Capture interfaces monitor traffic that external devices have duplicated for inspection to the Engine Cluster.
Add inline IPS interfaces to Engine Clusters
There are two physical interfaces in an inline IPS interface. The traffic is forwarded from one interface to the other.
Bypass traffic on overload on Engine Clusters
You can configure the Engine Cluster to bypass traffic when the traffic load becomes too high.
Add inline Layer 2 Engine interfaces to Engine Clusters
There are two physical interfaces in an inline Layer 2 Engine interface. The traffic is forwarded from one interface to the other.
Add VLAN interfaces to layer 2 interfaces of Engine Clusters
VLANs divide a single physical network link into several virtual links.

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