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Cisco Nexus 3000 switch - TFTP Server

beta_admin66
Level 1
Level 1

Hello everyone,

 

I'm trying to copy an image from the TFTP server Solarwinds into the bootflash of the Cisco Nexus 3000 switch:

 

Commands:
#copy tftp: bootflash
#<image>

#<IP address of the TFTP server>

 

Then comes the message: TFTP get operation failed: Network is unreachable.

 

The command: loader> boot tftp://IP address/image works perfectly.

 

I turned off the windows firewall and the antivirus program.

 

What am I doing wrong?

 

Can you help me?

 

Thanks

3 Replies 3

jessicajaclyn
Level 1
Level 1

Hi,

I had a similar problem with a 3172 switch. Getting that exact same error. What ultimately worked for me, was after you boot from tftp, even though the show ip says it has an IP address, the mgmt interface does not actually have one, and is in down state.

 

so, I needed to do no shutdown on the interface, and then assign an IP to it specifically in conf t > int mgmt > ip address <address> <subnet>

 

I don't recall if I needed a gateway - likely not as everything was on the same subnet, but I may have defined one.

 

Hope this helps you. Took me 3 days, plus another co-worker to get to the bottom of it.

 

Jessica Reimer

Garnet Research Corp.

Jessica Reimer
Garnet Research Corp.

John.Barbour
Level 1
Level 1

I just wanted to say thank you Jessica. Your explanation worked beautifully. 

 

Finally got things installed.

 

Thanks,

John Barbour

So glad it helped you, John! 

Jessica Reimer
Garnet Research Corp.

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