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PROmesh P20 - User Manual 35
3.6.6 Link Aggregation
The link aggregation function combines several physical LAN interfaces into a logical interface. The
resulting increased bandwidth is the sum of the bandwidths of each individual connection. If, for example,
two 100 Mbps lines are linked by means of link aggregation, 200 Mbps is now available for the new
connection. In addition to the data throughput, the link aggregation also provides redundancy for the created
connection and thus increases the fail safety of your network.
3.6.6.1 Static link aggregation
In the Static Link Aggregation menu, you can join several physical ports into one group ID, and thus
combine them into one logical port. To do so, you have to configure the following settings:

LACP settings : Here you can assign the same priority to all dynamic trunk lines. Several trunk
lines with the same priority are considered to be one trunk line and are used as such.

Group ID : Here you select a group ID under which you want to combine the ports.

Port list : From this list, select the ports that are to be combined into a logical port.
Keep in mind that a port can only be assigned to a group.
3.6.6.2 LACP Configuration
In this menu, you can decide whether LACP should be done dynamically, statically, or not at all. The
following settings have to be configured:

Type : Select whether LACP should be done dynamically, statically, or not at all.

Group ID : This setting is relevant if you want to use static link aggregation. To this end, combine
ports into a group by entering the same Group ID.

Mode : This setting is relevant for dynamic LACP. In active mode, the LACP protocol is active for
the port. In passive mode, the LACP protocol is only active for the port if the counterpart of the port
connection is also in active mode. The protocol is sent to bridge a connection failure without losing
packages.

Port priority : This setting is relevant for dynamic LACP. If another port is required for a logical
connection, the vacant dynamic port with the highest port priority is selected. The lower the number,
the higher the priority.
In the case of dynamic link aggregation, at least one side of the connection has to be configured
as active part.