@Tom-Elliott Thank you again for your response
This screenshot is from another fog, which is 100% functional.
My fog does not display the network graphic and freeze dashboard.
cordially

Hello,
This screenshot shows dashboard that works with the network graphic that appears.
Thanks for your help

@Tom-Elliott Yes thats exactly it !!

@Tom-Elliott Excuse me, I forgot a screen shot (text in french sorry)…
The first screen shot (in my last post), my browser was frozen.
Thank you again for your patience and your help !!

@Tom-Elliott Unfortunately no

@Tom-Elliott Thanks a lot for your help !!
The browser cache has been removed
Here are somme screen :

@Tom-Elliott I just update fog in Version 8126 (svn 5691) is still the same problem …

Thanks for your answers.
Yes the images was uploaded on the main server (fog).
Running Version of FOG : 8103
SVN Revision : 5680
Debian version : 7.11
Kernel Linux : 3.2.0-4-amd64 / Debian 3.2.78-1 x86_64

Yes it’s eth0 not ETH0

if the “graph is enabled” option is enabled, I have on the dashboard “storage node disk use” the percentage free and used, but no graphic “bandwidth - transmit” (and dashboard freeze)