Configure a Virtual Wire
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Next-Generation Firewall

Configure a Virtual Wire

Table of Contents

Configure a Virtual Wire

Bind two interfaces to create a virtual wire.
Contact your account team to enable Cloud Management for NGFWs using Strata Cloud Manager.
Where Can I Use This?
What Do I Need?
  • NGFW (Managed by Strata Cloud Manager)
  • VM-Series, funded with Software NGFW Credits
  • AIOps for NGFW Premium license (use the Strata Cloud Manager app)
Create a virtual wire to bind two Ethernet interfaces together. This procedure assumes that you’ve already cabled the Ethernet interfaces you want to bind together.
  1. Log in to
    Strata Cloud Manager
    .
  2. Create a Zone for each Ethernet interface you cabled.
  3. Select
    Manage
    Configuration
    NGFW and Prisma Access
    Device Settings
    Virtual Wire
    and select the Configuration Scope where you want to create the virtual wire.
    Select
    Folders
    to configure the virtual wire in a folder or select
    Snippets
    to configure the virtual wire in a snippet.
    Adding a virtual wire in the firewall Configuration Scope isn’t currently supported.
  4. Add Virtual Wire
    .
  5. Configure the Ethernet interface members of the virtual wire.
    1. Enter a descriptive
      Name
      .
    2. Select the Member 1
      Interface
      and
      Zone
      the interface is associated with.
    3. Select the Member 2
      Interface
      and
      Zone
      the interface is associated with.
  6. Configure the virtual wire
    Advanced Settings
    .
    1. (
      Optional
      ) Select
      Multicast Firewalling
      if you want to be able to apply Security policy rules to multicast traffic going across the virtual wire. Otherwise, multicast traffic is transparently forwarded across the virtual wire.
    2. Select
      Link State Pass Through
      if you want the firewall to function transparently. When the firewall detects a link down state for a link of the virtual wire, it brings down the other interface in the virtual wire pair. Thus, devices on both sides of the firewall see a consistent link state, as if there were no firewall between them. If you don’t select this option, link status isn’t propagated across the virtual wire.
    3. Select
      LLDP
      if you want to advertise the device attributes to neighboring devices.
    4. For
      Tag Allowed
      , enter
      0
      to indicate untagged traffic is allowed. The absence of a tag implies tag
      0
      . Enter additional allowed tag integers or ranges of tags, separated by commas (default is
      0
      ; range is
      0
      to
      4,094
      ).
    5. Configure the Link Settings.
      1. Select the interface
        Link Speed
        .
        Auto
        is selected by default and allows the firewall to determine the speed.
      2. Select the interface
        Link Duplex
        transmission mode.
        Auto
        is selected by default to allow the firewall to negotiate the transmission mode automatically.
      3. Select the interface
        Link State
        Auto detect is selected by default to allow the firewall to determine the link state.
  7. Save
    .

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