RELIANCE 45C992 Input module

Spanning Tree is enabled when this box is checked. Without spanning tree, redundant connections might exist if multiple radio links are created in parallel with each other. Redundant connections are blocked only if spanning tree is enabled. Additionally, spanning tree is used to flush the Ethernet switch table when the network topology changes as described in the section on Automatic Parent Selection. Firmware versions 2.5xx and above for RLX-IH, and all versions of RLXIB radios also support Rapid Spanning Tree (RSTP), and will default to this mode when enabled. The recommended setting for spanning tree is "Enabled".

Ethernet Edge Port

 Because RSTP is an active protocol, it depends on communication between RSTP devices. If no RSTP device is connected to the radio’s Ethernet port, the handshake cannot take place. In this case RSTP reverts to STP. This means that the Ethernet port will be forced to adhere to the timer based transition protocol of STP. Therefore on network transitions and power up, communications will not be allowed over the Ethernet port for 30 to 45 seconds. This setting is an indication that no redundant connections exist out this port and communication can immediately be allowed. If for some reason a BPDU is received on this port, the RSTP protocol will negotiate properly and handle any possible redundant paths. The recommended setting for Ethernet Edge Port is "Enabled".

Bridge Times

 The values in this list configure the timing intervals to use. Priority This setting determines who should be the root of the RSTP. The RSTP device with the lowest priority becomes the root. The accepted standard value for this is 32768. If wired switches exist in the network that support RSTP, they should always be allowed to be the root. Set this value to 32769 to prevent the radio from being the root over a wired switch. Use this setting when a radio is configured to be a Master. Set this value to 32770 when the radio is configured to be a Repeater. In this way, if only IHs exist in the network, the Master radio will become the root.

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