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New Contributor
Posts: 2
Registered: ‎08-27-2013

Switch 5100 Error exec_diag2: fails to open /dev/switch0 file.

Hello ,

          I'm having this error during the boot up "attached is boot up screen"

                   exec_diag2: fails to open /dev/switch0 file.

. How can i fix this issue? &if possible ;how can i reset the swtich to factory defaults?

External Moderator
Posts: 4,985
Registered: ‎02-23-2004

Re: Switch 5100 Error exec_diag2: fails to open /dev/switch0 file.

Are you able to login to the switch ?

I would suggest first to install the FOS with exact same Release as current is loaded, trough "firmwaredownload" command

show to me as a file is corrupted

TechHelp24
New Contributor
Posts: 2
Registered: ‎08-27-2013

Re: Switch 5100 Error exec_diag2: fails to open /dev/switch0 file.

Yes. I can login to the switch. By serial and Ethernet  port. with all accounts root,admin,factory,user.

The current FOS ver is  7.0.1a . Is it avaiable to download?

External Moderator
Posts: 4,985
Registered: ‎02-23-2004

Re: Switch 5100 Error exec_diag2: fails to open /dev/switch0 file.

Ask you Vendor or OEM how you can obtain the Package.

TechHelp24

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