my company has a cisco 4009 switch. this switch recently reboot serveral times. because other switch use the same power supply, but these swiths did't reboot. can you told me what was wrong and how to slove this problem
The show nvramenv show the resetcause=20 which means a power cycle. check power source, power supply. try to plug the switch in secure room where no one can unplug it. and see it get anymore mysterious reboots.
Hi everyone, I would like to thank you in advance for any help you can provide a newcomer like myself!
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