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5
votes
3answers
15k views

Open Source / free choices for SFlow monitoring?

I found the list here: http://www.sflow.org/products/collectors.php But was wondering if there are open source projects like Zenoss or others that can do SFlow collection and reporting for more than ...
3
votes
2answers
998 views

sflow network analysis for firewall engineering [closed]

I am running a network with a central historically grown firewall system which I would like to replace. Unfortunately the historically grown rule set is a REAL mess, so I would like to do a network ...
1
vote
2answers
470 views

Host sFlow on older Windows servers

Is it possible to install Host sFlow to Windows Server 2000 and Windows server 2003? I've setup Ganglia on one host to monitor a (mostly Windows) environment and while sFlow works on Win 2k8 ...
1
vote
3answers
162 views

How to analyse data/voice ratio within a network

I would like to analyse data/voice ratio within a network that uses HP switches. I tried to use HPTools that works with sFlow but it does not give good results. Do you have any idea please ?
1
vote
1answer
193 views

How to read sFlow?

We currently have a very large outbound DDOS Attack coming from one of our machines which is on a Brocade switch and monitored by PRTG. I am looking at the sFlow v5 8 sensor and see Top Talkers and ...
1
vote
0answers
151 views

Need sflow, ceilometer or healthmon output files

I am currently working on a mini-project in my college. It is a billing module for an openstack based private cloud. I need to read the usage from database which stores the amount of resources used ...
1
vote
0answers
337 views

Can nTop process sFlow data to reveal source and destination to be reviewed visually?

I tried rephrasing the question title about five times before arriving on this title. Does nTop have the "built-in facilities" to process sFlow data so that a graph of source and destination of ...
0
votes
1answer
358 views

Solarwinds netflow anaysis not collecting netflow

I have recently installed the 30 day trial of Orion Network Performance Monitor (solarwinds) and then installed Netflow Traffic Analysis. I have added our procurve switches and I have used other ...
0
votes
1answer
163 views

Does CA Network Flow Analysis Monitor SFlow

Does anyone know if CA Network Flow Analysis can monitor SFlow or receive SFlow packets ?
0
votes
0answers
13 views

after 487 Requst terminated there is no ACK

We have a weird problem. After a non successfull call (like a very long number and such), the phone (Yealink-any) gets "call time out" and then loses it registration. I ran wireshark and noticed that ...
0
votes
1answer
106 views

CA Network Flow Analysis - sFlow Monitoring Issues

I've been attempting to monitor sFlow traffic from some F5 LTMs, but I'm getting figures like 9 terabytes of data over http, which I don't believe we are getting. Has anyone else had issues like this ...
0
votes
1answer
20 views

CA Network Flow Analysis - Clear out old statistics

Does anyone know how to clear out all the data in CA NFA ? I'm currently testing out some sFlow monitoring but want to remove all the previously gathered data.
-1
votes
2answers
551 views

Is ntop's sflow support equivalent to netflow?

I've seen conflicting information from various dates and I'm having trouble determining if ntop supports sflow the same way it supports netflow or if it is somehow handicapped and not really worth ...