User guide

Troubleshooting the EPSR Configuration Protection Switching-EPSR
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AlliedView NMS Administration Guide (Configuring Network Services)
6.13.6.3 EPSR Failed (No Ports for Data Flow on Device(s)
When both paths are broken there is no data path to or from a device, so data service is lost on that port. In this case, the map
GUI and alarms reflect this loss of service situation.
• Protection Ring - Both links for device .20 are shown as blocked, so data traffic for this Protection VLAN cannot be
received or transmitted on the device.
FIGURE 6-147 Protection VLAN prot300 when Both Ports Down
• Alarms - Viewing the alarms shows all of the associated alarms, as highlighted below.