I just installed NTOP and I'm seeing a couple of anomalies.
First, when I try to display the Local Network Traffic Graph, I get an
error (see below). I ensured that graphviz is installed and when I run the
command listed below from the command line as root, I get the same error.
Local Network Traffic Map
ERROR
Creation of network map failed
Command was:
/usr/bin/dot -Tpng -Goverlap=false /var/ntop/ntop.dot -o
/var/ntop/network_map.png 2>&1
Results were:
Error: Layout was not done. Missing layout plugins?
Second, when I add Netflow devices, the first works, but after I add more
than 10 it stops updating. The devices are not setup for netflow yet as
I'm waiting for AT&T to make the changes, but removing all of them except
for the one device that is setup to send netflow has restored
functionality. Is there any kind of limitation on how many devices you can
receive netflow from or was it that they were not setup yet and that cause
a problem?
Thanks
Chandler Bing
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