Hi Alex,
Thanks for the report. In order to trace that down I would appreciate if you
could provide me offline a tcpdump packet
trace to the sfcapd collector resulting from such a transfer. sfcapd should
automatically adapt the right number of bytes.
- Peter
On 1/6/12 10:58, Alexander Dube wrote:
> Hi there,
>
> we're implementing sflow/cflow traffic accounting with juniper and foundry
> routers/switches and nfdump v1.6 at the moment.
>
> In our tests we transferred multiple 2GB files, which should result in about
> ~1,5 million packets and ~222000000 bytes and saw about the half bytes only.
> Nfdump and nfsen are showing the right packetcount, but only about 90000000 -
> 120000000bytes. For testing we used fixed sample rates from 2048 and 4096.
> Both results in the same issue.
>
> We can see this problem only with nfdump. PM and SFAcct are collecting the
> right size of bytes.
>
> Is it a known bug in the version we use, or are we missing some
> configurations? I searched the change logs and bug tracker, but I cant find
> something regarding this error.
>
> SFCapd is started with the following command on an 64bit machine and is used
> to collect egress and ingress sflow data from one 10Gig interface per router.
> /usr/bin/sfcapd -w -D -p 12009 -u www-data -g www-data -B 500000 -S 1 -P
> /var/run/nfsen/router1.pid -z -I router1 -l
> /usr/local/stow/nfsen-1.3.4/share/nfsen/profiles-data/live/router1
>
>
> Regards
> Alex
>
>
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Be nice to your netflow data
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