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Manual Chapter: Additional Network Configuration Options
Manual Chapter
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Optional VLANs and self IP addresses

During the licensing and initial configuration procedures, you configure a single VLAN and associated self IP addresses. This is all the networking configuration required to start managing devices. However, if you find you need additional VLANs and self IP addresses, the BIG-IQ® system provides you with the ability to add them as required.

Add an additional VLAN

You must have licensed the BIG-IQ® system before you can add a VLAN.
Depending on your network, might want to configure an additional VLAN after you license and perform the initial configuration of the BIG-IQ system.
  1. At the top of the screen, click System.
  2. On the left, click NETWORK SETTINGS > VLANs .
  3. Click the Create button.
  4. In the Name and Description fields, type a unique name and description to identify this new VLAN.
  5. In the Tag field, type an optional tag number.

    A VLAN tag is a unique ID number between 1 and 4094. All messages sent from a host in this VLAN includes the tag as a header in the message to identify the specific VLAN where the source or destination host is located. If you do not assign a tag, BIG-IQ assigns one automatically.

  6. From the Interface list, select the port that you want this VLAN to use.

    The interface is a physical or virtual port that you use to connect the BIG-IQ system to managed devices in your network.

  7. In the MTU field, type an optional frame size value for Path Maximum Transmission Unit (MTU).

    By default, BIG-IP devices use the standard Ethernet frame size of 1518 bytes (1522 bytes if VLAN tagging is used) with the corresponding MTU of 1500 bytes. For BIG-IP devices that support Jumbo Frames, you can specify another MTU value.

  8. Click the Save & Close button at the bottom of the screen.

Adding an additional self-IP address

You need to configure BIG-IQ® with at least one VLAN before you can add an additional self IP address.
You have the option to configure an additional self IP address after you license and perform the initial configuration of the BIG-IQ system.
  1. At the top of the screen, click System.
  2. On the left, click NETWORK SETTINGS > Self IPs .
  3. At the top of the screen, click the Create button.
  4. In the Name field, type a unique name to identify this new self IP address.
  5. In the Address field, type the self IP address and netmask.
    The format is <self IP address/netmask>.
  6. In the Description field, type a description for this self IP address.
  7. From the VLAN list, select the VLAN to associate with this self IP address.
  8. Click the Save & Close button at the bottom of the screen.
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