D-Link DGS-3130 User Manual - Page 139

DGS-3130 Series Layer 3 Stackable Managed Switch Web UI Reference Guide Click the Find button to locate a specific entry based on the information entered. Click the Edit button to re-configure the specific entry. Enter a page number and click the Go button to navigate to a specific page when multiple pages exist. ERPS (G.8032) Ethernet Ring Protection Switching (ERPS) (ITU-T G.8032) integrates mature Ethernet Operations, Administration, and Maintenance (OAM) functions and a simple Automatic Protection Switching (APS) protocol to provide sub-50ms protection for Ethernet traffic in a ring topology. It ensures that there are no loops formed at the Ethernet layer. One link within a ring will be blocked to avoid a Loop (RPL, Ring Protection Link). When the failure happens, protection switching blocks the failed link and unblocks the RPL. When the failure clears, protection switching blocks the RPL again and unblocks the link on which the failure is cleared. ERPS This window is used to display and configure the Ethernet Ring Protection Switching (ERPS) settings. STP and Loopback Detection (LBD) should be disabled on the ring ports before enabling ERPS. The ERPS cannot be enabled before the R-APS VLAN ring ports, RPL port, and RPL owner are configured. NOTE: Be aware that changing the ERPS version will lead to the restart of the running protocol. To view the following window, click L2 Features > ERPS (G.8032) > ERPS, as shown below: Figure 5-51 ERPS Window The fields that can be configured in ERPS Version Settings are described below: Parameter ERPS Version Description G.8032v2 provides the following functions:  Supports multi-instance in a physical ring.  Supports operation commands: manual, force, and clear.  Supports to configure the sending of the R-APS PDU destination address with the RING-ID of the physical ring. If Ethernet ring nodes running ITU-T G.8032v1 and ITU-T G.8032v2 co-exist on an Ethernet ring, the following configurations should be made on the G.8032v2 device:  All physical ring IDs must have the default value of 1. 129