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stp cost
stp point-to-point
Use stp point-to-point to configure the link type of a port.
Use undo stp point-to-point to restore the default.
Syntax
stp point-to-point { auto | force-false | force-true }
undo stp point-to-point
Default
The default setting is auto, and the spanning tree device automatically detects whether a port
connects to a point-to-point link.
Views
Layer 2 Ethernet interface view
Layer 2 aggregate interface view
Predefined user roles
network-admin
Parameters
auto
: Specifies automatic detection of the link type.
force-false
: Specifies the non-point-to-point link type.
force-true
: Specifies the point-to-point link type.
Usage guidelines
When connecting to a non-point-to-point link, a port is incapable of rapid state transition.
You can configure the link type as point-to-point for a Layer 2 aggregate interface or a port that
operates in full duplex mode. As a best practice, use the default setting to let the device automatically
detect the port link type.
In MSTP or PVST mode, the stp point-to-point force-false or stp point-to-point
force-true command configured on a port takes effect on all MSTIs or VLANs.
Before you set the link type of a port to point-to-point, make sure the port is connected to a
point-to-point link. Otherwise, a temporary loop might occur.
If this command is configured in Layer 2 Ethernet interface view, it takes effect only on that interface.
If this command is configured in Layer 2 aggregate interface view, it takes effect only on the
aggregate interface.
If this command is configured on a member port in an aggregation group, it takes effect only after the
port leaves the aggregation group.
Examples
# Configure the link type of GigabitEthernet 1/0/1 as point-to-point.
<Sysname> system-view
[Sysname] interface gigabitethernet 1/0/1
[Sysname-GigabitEthernet1/0/1] stp point-to-point force-true
Related commands
display stp