Optional: Modify the network configurations. Modify the IPv4 address, IPv4 subnet mask, default IPv4 gateway, preferred DNS address, and alternate DNS address as required, or enable DHCP. Device Level Ring (DLR) is an EtherNet/IPTM protocol that is defined by ODVA. DLR provides a means to detect, manage, and recover from single faults in a ring-based network. A DLR network includes the following types of ring nodes. DLR network requires at least one node to be configured as ring. Use Managed Switches in Redundant Networks To increase the availability of your network, a redundant network is required (ring or mesh topology) in which all managed switches support the redundancy protocol. If one. Switch - How to know if a loop is ongoing in your network? This example shows administrators how to set up RSTP (Rapid Spanning Tree Protocol) in the ring topology to implement network redundancy. Configure RSTP in a ring topology 1. This resilience is achieved by t he redundant paths provided by the ring structure, allowing data to flow in both directions and seamlessly reroute. X-Ring Ethernet Industrial Ring Technology is supplied on the Case Communications range of Industrial Ethernet switches and provides an improvement over Spanning Tree and Rapid Spanning Tree.