Paramete
r
Parameter
Description
Commands Description
Edge ports
l stp edged-port enable
l error-down auto-recovery
cause cause-item interval
interval-value
The ports connecting to
terminals do not participate
in STP/RSTP calculation.
If a port is configured as an
edge port, the port does not
participate in STP/RSTP
calculation.
After BPDU protection is
configured on a switching
device, an edge port is shut
down when receiving
BPDUs. The port can be
configured to
automatically go Up after a
specific delay.
8.3.1 Establishing the Configuration Task
Before configuring parameters affecting STP/RSTP rapid convergence, familiarize yourself
with the applicable environment, complete the pre-configuration tasks, and obtain the required
data. This will help you complete the configuration task quickly and accurately.
Applicable Environment
On some specific networks, RSTP parameters will affect the speed of network convergence.
Configuring proper RSTP parameters is required.
NOTE
The default configurations of the parameters described in this section help implement RSTP rapid
convergence. Therefore, the configuration process and all involved procedures described in this section
are optional. You can perform some of the configurations as required.
Pre-configuration Tasks
Before configuring STP/RSTP parameters, complete the following task:
l Configuring basic STP/RSTP functions
Data Preparation
To configure STP/RSTP parameters, you need the following data.
No.
Data
1 Network diameter
2 Hello time, forwarding delay time, maximum aging time, and timeout period for
waiting for BPDUs from the upstream (3 x hello time x time factor)
3 Link type of a port
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.
396
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