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Configure Access and Trunk Interfaces in Concerto

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You can configure a Layer 2 interface on an appliance to be an access interface or a trunk interface. To do this, you use the LAN interface configuration workflow in Concerto to define a switching (Layer 2) interface. Then, you set the interface mode to either Access or Trunk mode: 

  • Access mode—Use this mode for an interface that links to end devices. An access interface can handle untagged packets because it has only one VLAN ID. Any untagged packet that arrives on an access interface is treated as a tagged packet with the VLAN ID of the access interface. 
  • Trunk mode—Use this mode for an interface that links to other switches. A trunk interface can have multiple VLAN IDs and VLAN ID ranges.

To configure an access or trunk interface:

  1. In Tenant view, select Configure > Secure SD-WAN > Network Interfaces.

    SD-WAN-left-nav-Network-Interfaces-border.png

    The Interfaces screen displays with the WAN tab selected by default.
     
  2. Select the LAN tab. The screen displays LAN interfaces that are already configured.

    LAN-interfaces-dashboard-v3-border.png
     
  3. Click the add-icon-black-on-white-22.png Add icon. The screen displays the workflow to add a LAN interface, beginning with step 1, LAN Settings.

    add-LAN-interface-access-trunk-v2-border.png
     
  4. To configure an access or trunk interface, select Switching Interface (Layer 2) in the Sub-Category field. The Layer 2 Sub-Category field displays, with Wired selected by default.

    add-LAN-interface-Layer-2-switched-border.png
     
  5. Enter information for the following fields.
     
    Field Description
    Layer 2 Sub-Category

    Select a Layer 2 sub-category:

    • Aggregate Ethernet
    • Aggregate Ethernet Sub-Interface
    • Wired (Default)
    Interface Type Select vni or enet.
    Interface (Required) Select an interface from the list.
    Interface Mode

    Select the mode for the interface:

    • Access—Have the interface accept untagged packets. An access interface can belong to only one VLAN, known as the access VLAN, and it associates untagged packets with that VLAN. An access port discards tagged frames that do not have a VLAN ID that matches the access VLAN ID.
    • Trunk—Have the interface accept tagged packets. The VLAN ID of the packets must match one of the VLAN IDs that you specify in the VLAN ID List field.
    VLAN ID

    (For Access mode.) Enter a VLAN ID.

     Note: For tagged interfaces, use VLAN IDs 1 through 4094. Use VLAN 0 only for an untagged interface.

    Range: 1 through 4094

    Default: None
    VLAN IDs

    (For Trunk mode.) Enter a VLAN ID and then press the Enter key. You can enter multiple VLAN IDs. Each VLAN ID will be added to the list:

    trunk-VLAN-IDs-border.png

    Range: 0 through 4095

    Default: None
    Native VLAN ID

    (For Trunk mode only.) Enter a Native VLAN ID value. The native VLAN ID on a trunk interface allows an untagged packet to be treated as a tagged packet.

    Range: 1 through 4094

    Default: None
    Link Configuration (Group of Fields) The link configuration define the properties for data transmission on the link.
    • Speed

    Select a speed option for the interface. The options are:

    • Auto
    • 10 Mbps
    • 100 Mbps
    • 1 Gbps
    • 10 Gbps
    • 40 Gbps
    • 100 Gbps
    • Mode

    Select the mode for the interface. The options are:

    • Auto
    • Half duplex
    • Full duplex
    • MTU

    Enter the maximum transmission unit (MTU) size, in bytes, of the largest PDU that the interface can receive or transmit.

    Range: 72 through 9000 bytes

    Default: None
  6. To configure the remaining screens, see Configure LAN Interfaces in Concerto.

Supported Software Information

Releases 13.1.1 and later support all content described in this article.

Additional Information

Configure LAN Interfaces in Concerto