Huawei Quidway S3100 Series Operation Manual page 172

Operation Manual – MSTP
Quidway S3100 Series Ethernet Switches
Forward delay parameter) for them to turn to the forwarding state. The period ensures
that the newly generated configuration BPDUs to propagate across the entire network.
The Hello time parameter is for link testing.
A switch regularly sends hello packets to other switches in the interval specified by the
Hello time parameter to test the links.
The Max age parameter is used to judge whether or not a configuration BPDU is
obsolete. Obsolete configuration BPDUs will be discarded.
I. Configuration procedure
Table 1-10 Configure MSTP time-related parameters
Operation
Enter system view
Configure
Forward
parameter
Configure the Hello
time parameter
Configure the Max
age parameter
All switches in a switched network adopt the three time-related parameters configured
on the CIST root bridge.
Command
system-view
the
stp timer
delay
centiseconds
stp timer
centiseconds
stp timer
centiseconds
Huawei Technologies Proprietary
1-16
Chapter 1 MSTP Configuration
—
Required
forward-delay The Forward delay parameter
defaults
centiseconds (15 seconds).
Required
hello The Hello time parameter
defaults to 200 centiseconds
(2 seconds).
Required
max-age The
defaults
centiseconds (20 seconds).
Description
to 1,500
Max age parameter
to 2,000