The MSTP Configuration of stp compliance

Function Description

The multiple spanning tree protocol (MSTP) applies to the redundant network. MSTP is an improvement of STP and RSTP. MSTP prevents the proliferation and infinite cycling of the packets in the loop network. In addition, MSTP provides multiple redundant paths for VLAN data transmission to achieve the load-sharing purpose. The MA5600T/MA5603T/MA5608T supports MSTP, which is compatible with the STP and RSTP. It supports MSTP loop network that helps meet various networking requirements.

Function

The stp compliance command is used to configure the protocol used by a port to transmit bridge protocol data unit (BPDU) packets. After this command is executed successfully, the port uses the configured protocol to transmit BPDU packets.
The undo stp compliance command is used to cancel the protocol used by a port to transmit BPDU packets. After this command is executed successfully, the protocol parameter used by the port to transmit BPDU packets is restored to the default value (auto).

Format

stp compliance port frameid/slotid/portid { auto | dot1w }
undo stp compliance port frameid/slotid/portid

Parameters

Parameter	Description	Value
port frameid/slotid/portid	Indicates the shelf ID, slot ID, and port ID. Enter a slash (/) between the shelf, slot, and port IDs.	Please see Differences Between Shelves.
auto	Indicates that a port will auto-negotiate the protocol with the peer port according to the protocol with which the peer port sending BPDUs complies. If the peer port complies with the MSTP protocol when sending BPDUs, the port will also comply with the MSTP protocol. If the peer port complies with the RSTP protocol when sending BPDUs, the port will comply with the RSTP protocol of the 802.1q 2005 version accordingly.	-
dot1w	Indicates that the port complies with the 802.1w protocol when sending BPDUs. If the peer device connected to the port functions as a root bridge device, and the port of the peer device complies with the RSTP protocol when sending BPDUs, use this parameter.	-

Modes

Global config mode, OSN 7500, OSN 3500

Level

Operator level

Usage Guidelines

You can run the display stp command to query the type of the protocol with which the current port sending BPDUs complies.

Example

To set the protocol used by port 0/19/0 to transmit BPDU packets to dot1w, do as follows:

huawei(config)#stp compliance
{ port<K> }:port 
{ frameid/slotid/portid<S><Length 5-18> }:0/19/0
{ auto<K>|do1w<k> }:dot1w

  Command:
          stp compliance port 0/19/0 dot1w

To restore the protocol used by port 0/19/0 to transmit BPDU packets to auto, do as follows:

huawei(config)#undo stp compliance 
{ port<K> }:port 
{ frameid/slotid/portid<S><Length 5-18> }:0/19/0

  Command:
          undo stp compliance port 0/19/0

System Response

• The system does not display any message after the command is executed successfully.

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