MSTP/4/PRORTCHANGED:OID [oid] The root bridge of MSTP process has changed. (ProcessID=[INTEGER], InstanceID=[INTEGER], PortID=[INTEGER], PreviousRootBridgeID=[STRING], NewRootBridgeID=[STRING])
The root bridge changed. That is, a device became the root bridge or was not the root bridge any more.
| Alarm ID | Alarm Severity | Alarm Type |
|---|---|---|
| 1.3.6.1.4.1.2011.5.25.42.4.2.17 | Warning | communicationsAlarm(2) |
| Name | Meaning |
|---|---|
oid |
Indicates the MIB object ID of the alarm. |
ProcessID |
Indicates the ID of an MSTP process. |
InstanceID |
Indicates the instance ID. |
PortID |
Indicates the port ID. |
PreviousRootBridgeID |
Indicates the ID of the previous root bridge. |
NewRootBridgeID |
Indicates the ID of the new root bridge. |
If the root bridge is not a core node, it will affect the performance of the entire network.
1.
A new device was added, which had the optimal bridge ID.
2.
The priorities of the devices in the current network were modified.
3.
The domain configuration was modified.
If so, go to Step 2.
If not, go to Step 3.
If so, go to Step 4.
If not, go to Step 5.
If so, go to Step 5.
If not, go to Step 4.
If so, go to Step 6.
If not, go to Step 7.
If the alarm is cleared, go to Step 8.
If the alarm is not cleared, go to Step 7.
If so, go to Step 8.
If not, go to Step 5.