Configuring The Priority Of The Current Device - H3C S5500-SI Series Operation Manual

Operation Manual – MSTP
H3C S5500-SI Series Ethernet Switches
I. Configuration procedure
Follow these steps to configure the MSTP work mode:
Enter system view
Configure the work mode
of MSTP
II. Configuration example
# Configure MSTP to work in STP-compatible mode.
<Sysname> system-view
[Sysname] stp mode stp

1.3.4 Configuring the Priority of the Current Device

The priority of a device determines whether it can be elected as the root bridge of a
spanning tree. A lower value indicates a higher priority. By setting the priority of a
device to a low value, you can specify the device as the root bridge of spanning tree. An
MSTP-compliant device can have different priorities in different MST instances.
I. Configuration procedure
Follow these steps to configure the priority of the current device:
Enter system view
Configure the priority of
the current device
Caution:
Upon specifying the current device as the root bridge or a secondary root bridge,
you cannot change the priority of the device.
During root bridge selection, if all devices in a spanning tree have the same priority,
the one with the lowest MAC address will be selected as the root bridge of the
spanning tree.
To do...
system-view
stp mode { stp | rstp |
mstp }
To do...
system-view
stp [ instance instance-id ]
priority priority
Use the command...
Use the command...
1-20
Chapter 1 MSTP Configuration
Remarks
—
Optional
MSTP mode by default
Remarks
—
Optional
32768 by default