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2
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2answers
544 views

Problems with getting both ingress and egress Netflow data

I have a Cisco 6500 switch that I want to capture all vlan8 traffic incoming and outgoing. I talked with my networking group and they set me up with the following commands. (May not be exact commands ...
0
votes
2answers
791 views

ntop doesn't start - open of /var/lib/ntop/prefsCache.db failed: Can't be writer

I've installed ntop on centos 5.9 using yum. But it doesn't start. I'm getting this error: Wed Mar 20 10:22:44 2013 **ERROR** ....open of /var/lib/ntop/prefsCache.db failed: Can't be writer Wed Mar ...
1
vote
1answer
216 views

Undertstanding NTOP Mail_POP bandwidth data

I'm having some trouble understanding the output of Ntop. I'm receiving high bandwidth warnings for one my (debian) servers from my network provider. Because the server runs only a few low traffic ...
1
vote
1answer
120 views

ntop make install error

when i install ntop, both ./autogen.sh & make done, but in "make install" give this error: ln: `icmpPlugin.so': File exists make[2]: *** [icmpPlugin.so] Error 1 make[2]: Leaving directory ...
1
vote
0answers
74 views

How can I set ntop not to shorten host names?

With most screens in ntop, there is a list of hosts. Unfortunately, in almost every one, the host name is shorted, for some reason. When the host names follow the company standard, this results in the ...
1
vote
0answers
144 views

nTop Graphing Scripts

I would like to graph the RRD files that nTop creates, but I don't want to re-invent the wheel. What I Know There is an API for nTop that involves python. I have read the details of it yet. I know ...
1
vote
0answers
291 views

SFP port mirror on 5548 - not working

For the sake of monitoring my internet connection I have set up a port mirror on my Dell powerconnect 5548 from the SFP port to a 1Gb port on the switch, connected to my monitoring interface. The SFP ...
0
votes
0answers
832 views

ntop crashes at random times, how can I trace the cause?

I've recently installed ntop v3.3 on a Debian/Lenny server, which runs as a daemon with the web interface enabled. However, it randomly crashes and logs don't report anything... I've tried the ...