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Questions tagged [sflow]

15 questions
9
votes
3 answers

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 a 24 hour time period? I did see that Zenoss has…
TheCleaner
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3
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2 answers

sflow network analysis for firewall engineering

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 analysis from the scratch. Therefore I plan to run…
Bob Meier
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1
vote
2 answers

What do I need to do to enable sFlow on my Cisco Nexus 9372PX?

I have a pair of Cisco Nexus 9372PX switches running NXOS version 7.0(3)I1(3). According to the link at…
Daniel Arkley
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1
vote
1 answer

source MAC and destination Mac in netflow( or Sflow)

Is any way to see source MAC and destination MAC in netflow(or Sflow) data, like nfdump -r for netflow data. Any best open source(or free) collector for Sflow?
Veerendra K
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1
vote
1 answer

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 Top Connections, but cannot make heads or tails of…
Aidan Knight
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1
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0 answers

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 and generate an invoice from them. For testing my…
user192025
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1
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3 answers

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 ?
fallais
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1
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2 answers

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 machines, it does not on my legacy servers. I just can't…
Zlatko
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0 answers

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 traffic can be revealed/processed in from the .rrd…
mbrownnyc
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0
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1 answer

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 products to capture sflow and they are able to capture…
JohnyV
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0
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1 answer

how can i export sflow data to be saved in pcap on other server in realtime?

I have a pfsense server, all of attacks will come to its WAN interface. i have setup another packet analysis tool on private network behind pfsense. i want to send realtime WAN traffic from pfsense WAN to backend private server, which is listening…
Farhan
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1 answer

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 when monitoring flows with CA NFA ?
Lawrence
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0
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1 answer

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.
Lawrence
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0
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1 answer

Does CA Network Flow Analysis Monitor SFlow

Does anyone know if CA Network Flow Analysis can monitor SFlow or receive SFlow packets ?
Lawrence
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-1
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2 answers

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 giving the effort. We're just getting started at…
flickerfly
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