Link Aggregation - D-Link DGS-3000 series Reference Manual

DGS-3000 Series Layer 2 Managed Gigabit Switch Web UI Reference Guide
Priority
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Link Aggregation

Understanding Port Trunk Groups
Port trunk groups are used to combine a number of ports together to make a single high-bandwidth data pipeline.
The DGS-3000-26TC supports up to 13 port trunk groups with two to eight ports in each group and the DGS-3000-
10TC supports up to 5 port trunk groups with two to eight ports in each group. A potential bit rate of 8000Mbps can
be achieved on the DGS-3000-10TC and 20000Mbps on the DGS-3000-26TC (when trunking the two 10Gbps
ports).
The Switch treats all ports in a trunk group as a single port. Data transmitted to a specific host (destination address)
will always be transmitted over the same port in a trunk group. This allows packets in a data stream to arrive in the
same order they were sent.
Link aggregation allows several ports to be grouped together and to act as a single link. This gives a bandwidth
that is a multiple of a single link's bandwidth.
Link aggregation is most commonly used to link a bandwidth intensive network device or devices, such as a server,
to the backbone of a network.
All of the ports in the group must be members of the same VLAN, and their STP status, static multicast, traffic
control; traffic segmentation and 802.1p default priority configurations must be identical. Port locking, port mirroring
Enter a value between 0 and 240 to set the priority for the port interface. A higher
priority will designate the interface to forward packets first. A lower number denotes a
higher priority.
4-34 Example of Port Trunk Group
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