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Operation Manual - STP

Quidway S3000 Series Ethernet Switches Chapter 1 RSTP Configuration

1-18

Operation Command

Restore the disabled Root protection state, as defaulted, (from

Ethernet port view)

undo stp root-protection

Configure switch loop protection function (from Ethernet port view) stp loop-protection

Restore the disabled loop protection state, as defaulted (from

Ethernet port view)

undo stp loop-protection

After configured with BPDU protection, the switch will disable the edge port through

RSTP, which receives a BPDU, and notify the network manager at same time. Only the

network manager can resume these ports.

The port configured with Root protection only plays a role of a designated port.

Whenever such port receives a higher-priority BPDU when it is about to turn into

non-designated port, it will be set to a listening state and not forward packets any more

(as if the link to the port is disconnected). If the port has not received any higher-priority

BPDU for a certain period of time thereafter, it will resume to the normal state.

When configure a port, only one configuration can be effective among loop protection,

Root protection and Edge port configuration at same moment.

By default, the switch does not enable loop protection, BPDU protection or Root

protection.

For detailed information about the configuration commands, refer to the Command

Manual.

1.3 Display and Debug RSTP

After the above configuration, execute display command in any view to display the

running of the RSTP configuration, and to verify the effect of the configuration. Execute

reset command in user view to clear the statistics of RSTP module. Execute

debugging command in user view to debug the RSTP module.

Table1-17 Display and Debug RSTP

Operation Command

Display RSTP configuration information about the

local switch and the specified ports

display stp [ interface interface-list ]

Clear RSTP statistics information reset stp [ interface interface-list ]

Enable RSTP (error/event/packet) debugging debugging stp { error | event | packet }

Disable RSTP debugging undo debugging stp { error | event | packet }

Huawei Quidway S3000 Series User Manual

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