– An upstream device sends a Proposal message to a downstream device, requesting rapid
status transition. After receiving the message, the downstream device sets the port
connected to the upstream device to a root port and blocks all non-edge ports. The root
port then transitions to the Forwarding state.
– The downstream device responds the Proposal message with an Agreement message.
After receiving the message, the upstream device sets the port connected to the
downstream device as a designated port. The designated port then transitions to the
Forwarding state.
When Huawei datacom devices are interworking with non-Huawei devices, select either mode
depending on the Proposal/Agreement mechanisms on non-Huawei devices.
Procedure
Step 1 Run:
system-view
The system view is displayed.
Step 2 Run:
interface interface-type interface-number
The Ethernet interface view is displayed.
Step 3 Run:
stp no-agreement-check
The common rapid transition mechanism is configured.
By default, the interface uses the enhanced rapid transition mechanism.
----End
8.5.3 Checking the Configuration
After MSTP parameters are configured for the interoperability between Huawei devices and
non-Huawei devices, you can verify that the configurations take effect.
Prerequisite
Parameters have been configured to ensure MSTP interoperability between Huawei devices and
non-Huawei devices.
Procedure
l Run the display stp [ interface interface-type interface-number ] [ brief ] command to
view spanning-tree status.
----End
8.6 Maintaining STP/RSTP
STP/RSTP maintenance includes resetting STP/RSTP statistics.
Quidway S7700 Smart Routing Switch
Configuration Guide - Ethernet 8 STP/RSTP Configuration
Issue 01 (2011-07-15) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
407
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