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EDR-810-VPN-2GSFP
Инструкция по эксплуатации Страница: 94

Moxa EDR-810-VPN-2GSFP [94/139] Industrial secure router user s manual network redundancy

Industrial Secure Router User's Manual Network Redundancy

6-3

Hello time (sec.)

Setting Description Factory Default

Numerical value input

by user

The root of the Spanning Tree topology periodically sends out a

“hello” message to other devices on the network to check if the

topology is healthy. The “hello time” is the amount of time the

root waits between sending hello messages.

Max. Age (sec.)

Setting Description Factory Default

Numerical value input

by user

If this device is not the root, and it has not received a hello

message from the root in an amount of time equal to “Max.

Age,” then this device will reconfigure itself as a root. Once two

or more devices on the network are recognized as a root, the

devices will renegotiate to set up a new Spanning Tree

topology.

Enable STP per Port

Setting Description Factory Default

Enable/Disable

Select to enable the port as a node on the Spanning Tree

topology.

Disabled

NOTE

We suggest not enabling the Spanning Tree Protocol once the port is connected to a device (PLC, RTU, etc.) as

opposed to network equipment. The reason is that it will cause unnecessary negotiation.

Setting Description Factory Default

Auto 1. If the port does not receive a BPDU within 3

seconds, the port will be in the forwarding

state.

2. Once the port receives a BPDU, it will start

the RSTP negotiation process.

Auto

Force Edge The port is fixed as an edge port and will always

in the forwarding state

False The port is set as the normal RSTP port

Port Priority

Setting Description Factory Default

Numerical value

selected by user

Increase this port’s priority as a node on the Spanning Tree

topology by entering a lower number.

128

Port Cost

Setting Description Factory Default

Numerical value input

by user

Input a higher cost to indicate that this port is less suitable as a

node for the Spanning Tree topology.

200000

Port Status

Indicates the current Spanning Tree status of this port. Forwarding for normal transmission, or Blocking to

block transmission.

Moxa EDR-810-VPN-2GSFP [94/139] Industrial secure router user s manual network redundancy

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