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    Virtual Wire Subinterface

    • Network > Interfaces > Ethernet
    Virtual wire (vwire) subinterfaces allow you to separate traffic by VLAN tags or a VLAN tag and IP classifier combination, assign the tagged traffic to a different zone and virtual system, and then enforce security policies for the traffic that matches the defined criteria.
    To add a Virtual Wire Interface select the row for that interface, click
    Add Subinterface
    , and specify the following information.
    Virtual Wire Subinterface Settings
    Description
    Interface Name
    The read-only
    Interface Name
     displays the name of the vwire interface you selected. In the adjacent field, enter a numeric suffix (1-9,999) to identify the subinterface.
    Comment
    Enter an optional description for the subinterface.
    Tag
    Enter the VLAN tag (0-4,094) for the subinterface.
    Netflow Profile
    If you want to export unidirectional IP traffic that traverses an ingress subinterface to a NetFlow server, select the server profile or click
    Netflow Profile
     to define a new profile (see Device > Server Profiles > NetFlow). Selecting
    None
     removes the current NetFlow server assignment from the subinterface.
    IP Classifier
    Click
    Add
     and enter an IP address, IP range, or subnet to classify the traffic on this vwire subinterface.
    Virtual Wire
    Select a virtual wire, or click
    Virtual Wire
     to define a new one (see Network > Virtual Wires). Select
    None
     to remove the current virtual wire assignment from the subinterface.
    Virtual System
    If the firewall supports multiple virtual systems and that capability is enabled, select a virtual system (vsys) for the subinterface or click
    Virtual System
     to define a new vsys.
    Security Zone
    Select a security zone for the subinterface, or click
    Zone
     to define a new zone. Select
    None
     to remove the current zone assignment from the subinterface.

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