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Cisco 3650

Posted on 2016-08-08
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Last Modified: 2016-08-12
I had a 3650 switch go down. Tried to reboot, but it was stuck in boot.  Tried to reboot in ROMMON and was still stuck in boot.  Any suggestions?
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Question by:PeraHoman
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El Fierro earned 500 total points
ID: 41747842
looks a corrupt image..
do you have a tftp server set up....
option one:
Using a console connection, reboot the router.

Once you bring it back up, send a BREAK either with keyboard commands or from your terminal software. That should take you into ROMMON.

At the rommon 1> prompt, type confreg 0x2142.

At the rommon 2? prompt, tyep reload.

This forces the router to reload from flash, but does not load it's saved config.

Press Crtl-C to skip the auto config.

Type enable at the router> prompt.

To start from a clean slate type write erase.

Go into global config mode using config t.

Type config-register 0x2102.

Exit config mode.

Reload.

When the router comes back up, you should be presented with the initial configuration prompts, just as if the router was brand new


option 2:
Rommon>confreg
 do you wish to change the configuration? y/n  [n]:  y
enable  "diagnostic mode"? y/n  [n]:enable  "use net in IP bcast address"? y/n  [n]:disable "load rom after netboot fails"? y/n  [n]:
enable  "use all zero broadcast"? y/n  [n]:
disable "break/abort has effect"? y/n  [n]:
enable  "ignore system config info"? y/n  [n]:
change console baud rate? y/n  [n]:
change the boot characteristics? y/n  [n]:  y
enter to boot:
0 = ROM Monitor
1 = the boot helper image
2-15 = boot system  
 [2]:  2     Configuration Summaryenabled are:
load rom after netboot fails
console baud: 9600boot: image specified by the boot system commands      
or default to: cisco2-C7200 do you wish to change the configuration? y/n  [n]:  n
 
Rommon>reset
 
Rommon>dir disk#: or slot# or bootflash:
Rommon>boot disk#:IOS name
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Author Comment

by:PeraHoman
ID: 41747886
We power cycled it, but it gets stuck in boot mode. We power cycled it again and tried to get  into rommon, but it still remains in boot mode.
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