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[EMAIL PROTECTED] wrote:
| Im contacting you to ask if you guys know the estimated release of the
| newest snapshot with sampling support.
The next snapshot has not yet enabled the sampling feature, because I need to
do more tests and still some more coding.
Flexible Netflow, as it is introduced by CISCO became more complex which nfcapd
needs to deal with because each exporter
may have it's own sampling. But the sampling feature will follow soon in one of
the next snapshort series.
- Peter
|
| Peter Haag wrote:
|
|> Gene Titus wrote: | First off, NFSEN is a wonderful package. Well
|> done and thank you. | | I saw a discussion in the archives about
|> adding support for sampling. Is | there any news on that topic?
|
|> yes - the next snapshot does contain support for sampling for v5,
|> which report the sampling rate in the v5 header. For v9 I'm still
|> investigating a common sense, as it seems as the tag 34 (
|> SAMPLING_INTERVAL ) is not really used in IOS. Most likely a manual
|> overwrite will be possible.
|
|> The snapshot may be available in a couple of weeks for testing.
|
|> - Peter
|
|> | | We're just turning netflow on in our Juniper routers. I have
|> one router | reporting so far and I'm getting ~9000 flows a second
|> at peak times of | the day, that's 4M bits per second of data
|> according to mrtg, and that's | with 1:10 sample rate. We tried 1:1
|> but the Juniper could not handle it. | Those number are from the
|> last few days (June/summer school) In the fall | the numbers should
|> increase by a factor of 3. I have 2 more routers to | add to that
|> mix. | | I'm have a 2 server set up. One server is for the network
|> engineers to | look at current data. I repeat the data to another
|> system that will be | used to generate customer reports. | | The
|> first server is a Dell 2950 with dual Quad-Core Xeon 2.66 GHZ and 8
|> | Gig of memory, 536 Gig raid 5 array. | I'm repeating the data to
|> a Dell 1950, dual Quad-Core Xeon 2.66 GHZ and | 8 Gig of memory
|> connected to 4.5T raid 5 array. | | Thanks, | Gene Titus |
|
|
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Peter Haag, Security Engineer, Member of SWITCH CERT
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