These should be connected via regular downlink ports, which distinguishes the role of an uplink port from that of a normal port. This article explores the differences between uplink and normal ports in network switches, emphasizing their roles, data processing capabilities, and. All ports in an EtherChannel must be assigned to the same VLAN or they must be configured as trunk port. On EtherChannel member port selection is software based in Layer 2 and Layer 3 multicast route. Switch normal ports, also known as downlink or downstream ports, connect access layer devices such as computers, printers, and Access Points. Devices enter and exit the network through these ports. They are. When dealing with a DSFP/SFP-DD-capable port, knowing that the port can run 100G is not enough. The core question is: What optical module or cable should be connected to achieve the target rate? Critical Warning: Consequences of Cable Mismatch 50G-2 cable plugged into a 100G-2 port: Wasted cable. This document describes how to troubleshoot fiber optic interfaces by addressing some of the fiber optic module and cabling specifications. Modern switches, both low-end and high-end, are generally built out of one or more switching modules.