D-Link DGS-3426 User Manual - Page 64

xStack DGS-3400 Series Layer 2 Gigabit Ethernet Managed Switch Flow Control Displays the flow control scheme used for the various port configurations. Ports configured for full-duplex use 802.3x flow control, half-duplex ports use backpressure flow control, and Auto ports use an automatic selection of the two. The default is Disabled. Learning Enable or disable MAC address learning for the selected ports. When Enabled, destination and source MAC addresses are automatically listed in the forwarding table. When learning is Disabled, MAC addresses must be manually entered into the forwarding table. This is sometimes done for reasons of security or efficiency. See the section on Forwarding/Filtering for information on entering MAC addresses into the forwarding table. The default setting is Enabled. Medium Type If configuring the Combo ports, this defines the type of transport medium to be used, whether copper or fiber. Click Apply to implement the new settings on the Switch. Port Error Disabled The following window will display the information about ports that have had their connection status disabled, for reasons such as STP loopback detection or link down status. To view this window, click Administration > Port Configuration > Port Error Disabled. Figure 6- 14. Port Error Disabled window The following parameters are displayed: Parameter Description Port Displays the port that has been error disabled. Port State Describes the current running state of the port, whether Enabled or Disabled. Connection Status This field will read the uplink status of the individual ports, whether Enabled or Disabled. Reason Describes the reason why the port has been error-disabled, such as a STP loopback occurrence. 50