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MA5600 in the topology view not stable

Publication Date:  2012-07-25 Views:  23 Downloads:  0
Issue Description
BMS installed to the customer PE. PE route BMS to BRAS.
Alarm Information
MA5600A and MA5600B in the topology take turns switch to the grey color and green color. In the grey color time, the device can't be configure.
Handling Process
Telnet the MA5600 then configure:
MA5600(config)#diagnose
MA5600(diagnose)%%display sysman mac-address
  Current MAC address of active mainboard: 00e0-fc5d-bc87
  Default MAC address of active mainboard: 00e0-fc5e-a149
MA5600(diagnose)%%sysman mac-address current 00e0-fc5e-a149                                  // restore the mac-address to default.
  Modifying current MAC address may cause the conflict of MAC address, are you  
sure?(y/n) [n]:y
  Command is being executed, please wait...
  The configuration takes effect after system is restarted
After this process, the link become stable
Root Cause
MAC address from the MA5600A and MA5600B same.
Suggestions
Null

END