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XG2000 series User's Guide
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A.2.6 xgsh (CLI Command History: 4000-4499)
Message ID
Severity
Message/Explanation/Solution
P4001
INFO
%1$ cmd-exec[%2$]: %3$
Explanation
The command was executed.
z [[Inserted string]]%1$: Username
z [[Inserted string]]%2$: Terminal ID
z [[Inserted string]]%3$: Command string to be executed
P4002
INFO
%1$ cmd-result[%2$]: success
Explanation
The command was successfully completed.
z [[Inserted string]]%1$: Username
z [[Inserted string]]%2$: Terminal ID
P4003
INFO
%1$ cmd-result[%2$]: error
Explanation
The command failed.
z [[Inserted string]]%1$: Username
z [[Inserted string]]%2$: Terminal ID
A.2.7 rstp (Rapid Spanning Tree Control: 4500-4999)
Message ID
Severity
Message/Explanation/Solution
S4501
WARNING
Root bridge changed.
Explanation
The root bridge changed.
S4502
WARNING
Topology changed.
Explanation
The topology changed.
S4503
WARNING
Received BPDU on PortFast enable port. shutting down %1$.
Explanation
A BPDU was received on a Port Fast-enabled port.
z [[Inserted string]]%1$: Name of the port that received the BPDU
Solution
Review the port connection.
P4504
WARNING
Invalid "Forward delay time" relationship 2*(%1$ - 1) >= %2$.
Explanation
The setting of STP Forward Delay is invalid.
z [[Inserted string]]%1$: Attempted Forward Delay value change
z [[Inserted string]]%2$: The current Max Age value
Solution
Check that the setting of Forward Delay satisfies the following condition.
2 x ((Forward Delay) - 1) ≥ (Max Age)
P4505
WARNING
Invalid "Max age" relationship 2*(%1$ - 1) >= %2$.
Explanation
The setting of STP Max Age is invalid.
z [[Inserted string]]%1$: The current Forward Delay value
z [[Inserted string]]%2$: Attempted Max Age value change
Solution
Check that the setting of Max Age satisfies the following condition.
2 x ((Forward Delay) - 1) ≥ (Max Age)
S4507
WARNING
Invalid BPDU received on %1$, Bridge becoming root.
Explanation
The reception of an invalid BPDU triggered a topology change that caused the device to become a root
switch.
z [[Inserted string]]%1$: Name of the port that received the BPDU
Solution
Review the network environment for the port connection.