406 Rockwell Automation Publication 1783-UM007G-EN-P - February 2017
Chapter 8 Monitor the Switch
DLR Status
You can monitor device-level ring (DLR) status in both Device Manager and
the Logix Designer application.
Configuration parameters appear for the number of available rings:
• Stratix 5700 and ArmorStratix™ 5700 switches show one ring.
• Stratix 5400 switches show three rings.
For more information about DLR troubleshooting, see
Troubleshoot EtherNet/IP Networks, publication ENET-AT003.
Monitor DLR Status via Device Manager
From the Monitor menu, choose DLR:
• The Overview tab shows the status and parameters that are configured
for the switch, redundant gateway, ring DHCP server, and the active
ring supervisor.
You can also clear these faults:
– Partial gateway faults that can occur when traffic is lost in only one
direction. The active ring supervisor detects a partial fault by
monitoring the loss of beacon frames on a port.
– Rapid faults that can occur after five intentional disconnections and
reconnections of a node from the network within 30 seconds.
When the active ring supervisor detects either type of fault, it blocks
traffic on the port, which results in network segmentation. To resolve
this condition, you must manually clear the faults.
• The Ring Faults tab shows the number, time, and location of faults in a
ring.
• The Ring Members tab lists the MAC and IP addresses of each device in
a ring.
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