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222 CHAPTER 10: USING RSTP COMMANDS
Example
To enable loop protection function in Ethernet1/0/1, enter the following:
<4500>system-view
System View: return to User View with Ctrl+Z.
[4500]interface Ethernet1/0/1
[4500-Ethernet1/0/1]stp loop-protection
stp mcheck Syntax
stp mcheck
View
System View
Parameter
None
Description
If the network is unstable, even when the bridge running STP on the segment is
removed, the corresponding port will still work in the STP compatible mode.
Use the stp mcheck command to force the port to work in RSTP mode.
If there is any bridge running STP on the segment connected to the current
Ethernet port, the port will Switch to run RSTP in STP compatible mode. If the
network is rather stable, even when the bridge running STP on the segment is
removed, the corresponding port will still work in the STP compatible mode. In this
case, you can use this command to force the port to work in RSTP mode. In RSTP
mode, when the port receives an STP packet, it will transition to the STP
compatible mode.
The configuration can only be performed when the bridge runs in RSTP mode. If
the bridge is configured to work in STP compatible mode, the command will not
make any sense.
Related command: stp mode.
Example
To set the port Ethernet1/0/1 to work in RSTP mode, enter the following:
<4500>system-view
System View: return to User View with Ctrl+Z.
[4500]interface Ethernet1/0/1
[4500-Ethernet1/0/1]stp mcheck
stp mode Syntax
stp mode { stp | rstp }
undo stp mode
View
System view