Hi Tony,

If the C7600 is the only NetFlow exporter to nfacctd, traffic at
the router is counted once (ie. collected ingress-only) and a single
nfacctd writing to the 'internet' table you should never get into
the situation of overestimated counters. pmacct by itself is not
able to duplicate traffic counters; and i've not been repored so
far similar behaviours from C7600 with SRC/SRD/SRE codes (also the
Cisco bug database appears negative on the matter, but OK ...). The
scope is not clear to me: is this behaviour specific to a customer/
port or you reckon it happening throughout your installation? If the
latter is the case maybe it's appropriate that i have a look at the
issue myself - and if this is possible we switch to unicast for now
and summarize over here once the issue is pin-pointed.
 
Your NetFlow export configuration at the router appears OK; also the
configuration of pmacct is rather straightforward.

Cheers,
Paolo


On Thu, Dec 23, 2010 at 03:45:37PM -0800, Tony wrote:
> Hi,
> 
> After compiling with 64-bit I am getting larger values, but now I seem to be 
> getting up to TWICE as much as I should ? Is this a known bug, or something 
> that I should have changed when I upgraded ?
> 
> The link has continued to be used at 10Mbps, so the usage each hour should 
> remain around 4.5GB. The numbers between 0200-0400 are probably correct as 
> there was a slight lull in usage at this time to an average of perhaps 
> roughly 6Mbps.
> 
> I changed to the 64-bit 0.12.4 version of pmacct at 2330.
> 
> 
> mysql> select bytes/1000000000 as GB,  stamp_inserted, stamp_updated from 
> internet where agent_id = 1 and 
stamp_inserted > '2010-12-23 14:00:00' and ip_dst = 'x.y.23.200' order by 3 
desc;
> +---------+---------------------+---------------------+
> | GB      | stamp_inserted      | stamp_updated       |
> +---------+---------------------+---------------------+
> | 10.8867 | 2010-12-24 09:00:00 | 2010-12-24 10:00:01 |
> |  9.3094 | 2010-12-24 08:00:00 | 2010-12-24 09:00:01 |
> | 11.4398 | 2010-12-24 07:00:00 | 2010-12-24 08:00:01 |
> |  8.8432 | 2010-12-24 06:00:00 | 2010-12-24 07:00:01 |
> |  4.8371 | 2010-12-24 05:00:00 | 2010-12-24 06:00:01 |
> |  4.7354 | 2010-12-24 04:00:00 | 2010-12-24 05:00:01 |
> |  3.1966 | 2010-12-24 03:00:00 | 2010-12-24 04:00:01 |
> |  2.2933 | 2010-12-24 02:00:00 | 2010-12-24 03:00:01 |
> |  4.8357 | 2010-12-24 01:00:00 | 2010-12-24 02:00:01 |
> |  6.9992 | 2010-12-24 00:00:00 | 2010-12-24 01:00:01 |
> |  0.2545 | 2010-12-23 23:00:00 | 2010-12-24 00:00:01 |
> |  0.5420 | 2010-12-23 22:00:00 | 2010-12-23 23:00:01 |
> |  0.5429 | 2010-12-23 21:00:00 | 2010-12-23 22:00:01 |
> |  0.7547 | 2010-12-23 20:00:00 | 2010-12-23 21:00:01 |
> |  2.9795 | 2010-12-23 19:00:00 | 2010-12-23 20:00:01 |
> |  2.3076 | 2010-12-23 18:00:00 | 2010-12-23 19:00:01 |
> |  0.1109 | 2010-12-23 17:00:00 | 2010-12-23 18:00:01 |
> |  0.2496 | 2010-12-23 16:00:00 | 2010-12-23 17:00:01 |
> |  0.1036 | 2010-12-23 15:00:00 | 2010-12-23 16:00:01 |
> +---------+---------------------+---------------------+
> 19 rows in set (0.00 sec)
> 
> 
> Any ideas ?
> 
> 
> Thanks,
> Tony.


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