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Table of Contents

Administration Guide

20.4.0
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Creating a trunk

NOTE: You cannot include an internal interface or a port that is already a member of another trunk in a new trunk.

To create a trunk:
  1. Go to Configuration > Interfaces.
  2. Select to the left of each FortiSwitch unit that you want to configure.
  3. Select the interfaces that you want to include in the trunk.
  4. Select Create Trunk.

  5. Enter a name for the new trunk in the Trunk Interface Name field.
    Avoid using special characters, such as <, >, (,), #, ', and ".
  6. (Optional) Add a description of the trunk in the Description field.
  7. Select the port selection criteria:
    • dst-ip—destination IP address
    • dst-mac—destination MAC address
    • src-dst-ip—source or destination IP address
    • src-dst-ip-xor16—source and destination IP address
    • src-dst-mac—source or destination MAC address
    • src-ip—source IP address
    • src-mac—source MAC address
  8. Select the mode:
    • lacp-active—active LACP
    • lacp-passive—passive LACP
    • static—static link aggregation
  9. Select McLAG if you want to create an MCLAG.
    You cannot select both McLAG and McLAG-ICL for a trunk.
  10. Select McLAG-ICL if you are creating an ICL for an MCLAG.
    Only one MCLAG-ICL trunk can be configured for each managed FortiSwitch unit. You cannot select both McLAG and McLAG-ICL for a trunk.
  11. Select Save.

Creating a trunk

NOTE: You cannot include an internal interface or a port that is already a member of another trunk in a new trunk.

To create a trunk:
  1. Go to Configuration > Interfaces.
  2. Select to the left of each FortiSwitch unit that you want to configure.
  3. Select the interfaces that you want to include in the trunk.
  4. Select Create Trunk.

  5. Enter a name for the new trunk in the Trunk Interface Name field.
    Avoid using special characters, such as <, >, (,), #, ', and ".
  6. (Optional) Add a description of the trunk in the Description field.
  7. Select the port selection criteria:
    • dst-ip—destination IP address
    • dst-mac—destination MAC address
    • src-dst-ip—source or destination IP address
    • src-dst-ip-xor16—source and destination IP address
    • src-dst-mac—source or destination MAC address
    • src-ip—source IP address
    • src-mac—source MAC address
  8. Select the mode:
    • lacp-active—active LACP
    • lacp-passive—passive LACP
    • static—static link aggregation
  9. Select McLAG if you want to create an MCLAG.
    You cannot select both McLAG and McLAG-ICL for a trunk.
  10. Select McLAG-ICL if you are creating an ICL for an MCLAG.
    Only one MCLAG-ICL trunk can be configured for each managed FortiSwitch unit. You cannot select both McLAG and McLAG-ICL for a trunk.
  11. Select Save.