Operation Manual – MSTP
Quidway S3900 Series Ethernet Switches-Release 1510 Chapter 1 MSTP Configuration
Huawei Technologies Proprietary
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1.2.10 Timeout Time Factor Configuration
A switch regularly sends protocol packets to its neighboring devices at the interval
specified by the Hello time parameter to test the links. Normally, a switch regards its
upstream switch faulty if the former does not receive any protocol packets from the
latter in a period three times of the Hello time and then initiates the spanning tree
regeneration process.
Spanning trees may be regenerated even in a steady network if an upstream switch
continues to be busy. You can configure the timeout time factor to a larger number to
avoid this. Normally, the timeout time can be four or more times of the Hello time. For a
steady network, the timeout time can be five to seven times of the Hello time.
I. Configuration procedure
Table 1-12 Configure timeout time factor
Operation Command Description
Enter system view
system-view
—
Configure the timeout
time factor for the
switch
stp timer-factor number
Required
The timeout time factor
defaults to 3.
II. Configuration example
# Configure the timeout time factor to be 6.
<Quidway> system-view
[Quidway] stp timer-factor 6
1.2.11 Maximum Transmitting Speed Configuration
The maximum transmitting speed of a port specifies the maximum number of
configuration BPDUs a port can transmit in a period specified by the Hello time
parameter. It depends on the physical state of the port and network structure. You can
configure this parameter according to the network.
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