HOW TO Configure PORT LAG ON SOPHOS XG FIREWALL

1.What is Port LAG and its purpose?

• Port LAG (Link Aggregation) is a method of aggregating two or more network ports together, making them a single connection to aggregate bandwidth (trunking) or provide redundancy (faul tolerance).
• Port LAG with trunking feature will increase the connection speed beyond the speed of a single cable or individual network port.
• Improving the transmission performance really makes sense in the server environment making multiple connections from clients.
• The redundancy feature also creates higher availability and helps prevent interruptions in network transmission.

2.Configuration

• Log into Sophos web admin page with an account with admin rights.
• Select Network> Interfaces> Add Interfaces> Add LAG and fill in the following parameters.

• Interface name: Name the port LAG.
• Member Interface: Select the member for port LAG. At least 2 ports are required to create a LAG port. Can configure up to 4 ports on 1 LAG port.
• Mode: Select a LAG mode.
• Active-Backup: Select the active backup mode to only be able to accept errors.
• 802.3ad (LACP): Select the 802.3ad (LACP) mode to balance traffic load and provide fault tolerance.
• Zone: select zone for port LAG.
• IP Assignment: You can choose to set static ip or DHCP.
• Netmask: Enter subnet mask for port LAG.
• Click Save to save the configuration.

• As a result, we have successfully created the LAG port.