I faced the situations of CSCvg59274 whenever I exchange FAN of Cisco ASR9901(IOS XR6.4.1). After exchanging FAN,I needed reboot Cisco ASR9901. I found the article and it shows some workaround(seems not official). http://www.belpia.com/workaround-for-cscvg59274/ It says before you insert the FAN(FAN-0),unplug the another FAN(FAN-1). And then insert the FAN-0 first.FAN-1 the next. I did the same thing the article showed at lab and I could exchange FAN without interupting the circuit. Could you kindly give me some advice or opinion about it? Thank you.
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