D-Link DGS-3612G Product Manual - Page 181

xStack® DGS-3600 Series Layer 3 Managed Gigabit Ethernet Switch DULD Settings The Switch features a D-Link Unidirectional Link Detection (DULD) module. The unidirectional link detection provides a mechanism that can be used to detect unidirectional link for Ethernet switches whose PHYs do not support unidirectional OAM operation. This function is established based on OAM, so OAM should be enabled before starting detection. To view this window, click L2 Features > DULD Settings, as shown below: The following fields can be set: Parameter Description Figure 3- 81. DULD Settings window Unit Select the unit to configure. From/To Select a range of ports. Admin State Enable or disable the administration state. This indicates these ports unidirectional link detection status. The default state is Disabled. Mode Toggle between Shutdown and Normal. When Shutdown is selected, if any unidirectional link is detected, this feature will disable the port and log an event. When Normal is selected, this feature will only log an event when a unidirectional link is detected. Discovery Time (5- Enter the port neighbor discovery time between 5 and 65535 seconds. If the discovery is timed 65535 sec) out, the unidirectional link detection will start. The default discovery time is 5 seconds Click Apply to create a new entry. 165