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<H3C> display diagnostic-information
Save or display diagnostic information (Y=save, N=display)? [Y/N]:Y
IRF split
Symptom
An IRF fabric splits.
Troubleshooting flowchart
Figure 10 Troubleshooting IRF split
Solution
To resolve the problem:
1.
Verify that the IRF physical ports are operating correctly:
a.
Execute the display trapbuffer command or view system logs to check for physical IRF link
down events that occurred close to the split time.
b.
If the split followed an IRF link down event, execute the display interface command to check
port statistics for CRC errors.
If the port is an SFP+ port, execute the display transceiver diagnosis command to verify that the
c.
transmit and receive power does not exceed the power specifications of the fiber-optic module.
2.
Remove hardware problems that might cause recurring IRF split events:
a.
Execute the display version command to identify the uptime of member devices.
b.
Compare the uptime of member devices to determine whether a member device rebooted
before the IRF split.
c.
If the IRF split is caused by a device reboot, use the methods described in
reboot" to resolve the problem.
30
"Unexpected switch
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Troubleshooting
