User Manual

Moxa’s Managed Switch Next Generation OS (v3.x) User Manual
99
Hello Time (sec.)
Setting
Description
Factory Default
1 or 2
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.
2
Max Age (sec.)
Setting
Description
Factory Default
6 to 40
If this device is not the root, and it has not received a hello
message from the root in the 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 a new Spanning Tree topology.
20
Error Recovery Time (sec.)
Setting
Description
Factory Default
30 to 65535
If the BPDU guard is triggered on a port, it will automatically
recover to the normal state after the Error Recovery Time.
300
When finished, click APPLY to save your changes.
If you select MSTP as the STP mode, configure the following settings.
STP Mode
Setting
Description
Factory Default
MSTP
Use the MSTP mode as the Spanning Tree protocol.
MSTP
Compatibility
Setting
Description
Factory Default
MSTP
Only compatible with MTP mode.
MSTP
STP
Only compatible with STP mode.
RSTP
Compatible with RSTP and STP modes.
Forwarding Delay Time (sec.)
Setting
Description
Factory Default
4 to 30
The amount of time the device waits before checking to see if
it should change to a different state.
15
Hello Time (sec.)
Setting
Description
Factory Default
1 or 2
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.
2