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Does all the ports of 140NOC78*** support RSTP.

Only switch ports 3 and 4 support RSTP redundancy, you may use ports 3 and 4 to connect the 140 NOC 78• 00 head module to the network, and ports 1 and 2 for connections to local devices. Use the Redundancy page to enable and disable the Rapid Spanning Tree Protocol (RSTP) for switch ports 3 and 4. 
The RSTP service creates a loop-free logical network path for Ethernet devices that are part of a topology that includes redundant physical paths, and automatically restores network communication by activating redundant links in the event the network experiences a service interruption.
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