This post has nothing to do with the design or functionality of the Nexus 1000v but more of a mistake I managed to make without really thinking. I always joked with clients about how my CCNA has expired 2 years ago and how my IOS skills have gone from mediocre to below average and as funny as I always thought that sounded, this is definitely a story to tell others in the future. Nonetheless, I hope anyone that might experience the mistake I made will find this post through the error message that gets printed out.
The short and skinny:
While configuring the VLANs on a Nexus 1000v, I would constantly run into an error message when typing copy start run which is short for copy startup-config running-config. I bet all you networking engineers out there are already laughing at me but for those who didn’t catch that, the command is incorrect because what I meant to type was really copy running-config startup-config. If you manage to make the same mistake as I did, you’ll see the following:
rsa keys already present, use force option to overwrite them
Syntax error while parsing ‘limit-resource u4route-mem minimum 32 maximum
% Invalid command
Syntax error while parsing ‘limit-resource u4route-mem minimum 3216 maximum
% Invalid command
System Image Url: bootflash:/nexus-1000v-mz.4.0.4.SV1.3b.bin is already in boot system image list of sup-1
System Image Url: bootflash:/nexus-1000v-mz.4.0.4.SV1.3b.bin is already in boot system image list of sup-2
ERROR: Cannot change connection configuration in ‘Enabled state.
ERROR: Cannot change connection configuration in ‘Enabled state.
ERROR: Cannot change data-center name in connected state.
To fix this problem, type the proper command. :)
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