Chapter 4: Web configuration
NS3552-8P-2S-V2 User Manual 99
Each LAG is composed of ports of the same speed, set to full-duplex operations. Ports
in a LAG can be of different media types (UTP/Fiber, or different fiber types), provided
they operate at the same speed.
Aggregated links can be assigned manually (Port Trunk) or automatically by enabling
Link Aggregation Control Protocol (LACP) on the relevant links.
Aggregated links are treated by the system as a single logical port. Specifically, the
aggregated link has similar port attributes to a non-aggregated port, including auto-
negotiation, speed, duplex setting, etc.
The industrial managed switch supports the following aggregation links :
• Static LAGs (Port Trunk) – Force aggregated selected ports to be a trunk group.
• Link Aggregation Control Protocol (LACP) LAGs – LACP LAGs negotiate
aggregated port links with other LACP ports located on a different device. If the
other device ports are also LACP ports, the devices establish a LAG between them.
The Link Aggregation Control Protocol (LACP) provides a standardized means for
exchanging information between partner systems that require high speed redundant
links. Link aggregation permits grouping up to eight consecutive ports into a single
dedicated connection. This feature can expand bandwidth to a device on the network.
LACP operation requires full-duplex mode (refer to the IEEE 802.3ad standard for
further details).
Port link aggregations can be used to increase the bandwidth of a network connection
or to ensure fault recovery. Link aggregation permits grouping up to four consecutive
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