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stp transmit-limit
Syntax
stp transmit-limit packetnum
undo stp transmit-limit
View
Ethernet port view
Parameters
packetnum: Maximum number of configuration BPDUs a port can transmit in each hello time. This
argument ranges from 1 to 255.
Description
Use the stp transmit-limit command to set the maximum number of configuration BPDUs the current
port can transmit in each hello time.
Use the undo stp transmit-limit command to restore the maximum number to the default value.
By default, the maximum number of configuration BPDUs a port can transmit in each hello time is 10.
A larger number configured by the stp transmit-limit command allows more configuration BPDUs to be
transmitted in each hello time, which may occupy more switch resources. So you are recommended
configure it to a proper value to avoid network topology jitter and prevent MSTP from occupying too
many bandwidth resources.
Related commands: stp interface transmit-limit.
Examples
# Set the maximum number of configuration BPDUs that can be transmitted through Ethernet 1/0/1 in
each hello time to 15.
<Sysname> system-view
System View: return to User View with Ctrl+Z.
[Sysname] interface Ethernet 1/0/1
[Sysname-Ethernet1/0/1] stp transmit-limit 15
vlan-mapping modulo
Syntax
vlan-mapping modulo modulo
View
MST region view
Parameters
modulo: Modulo by which VLANs are mapped to MSTIs, in the range of 1 to 16.
Description
Use the vlan-mapping modulo command to set the modulo by which VLANs are mapped to MSTIs.
By default, all VLANs in a network are mapped to the CIST (MSTI 0).
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