MSTP/4/MSTPLOG_PROLOST_ROOT_PRIMARY
Message
MSTP/4/MSTPLOG_PROLOST_ROOT_PRIMARY:MSTP process is no longer the root bridge of the instance. (ProcessID=[ProcessID], InstanceID=[InstanceID])
Parameters
Parameter Name | Parameter Meaning |
---|---|
ProcessID | Indicates the MSTP process ID. |
InstanceID | Indicates the instance ID. |
Possible Causes
Cause 1: A new link was added to the network topology, and the network topology changed.
Cause 2: The priorities of some switches changed on the network.
Procedure
- Cause 1: A new link was added to the network topology,
and the network topology changed. The newly added device is configured
as the root bridge using the stp root primary command, and its
MAC address is smaller than that of the original root bridge.
- Cause 2: The priorities of some switches changed on the
network.