I've confirmed that the AS information is definitely in the packet.

I added the origin-as command, still AS 0.
Now I've added the peer-as command, again AS 0.

root@ares:/storage/nfsen/profiles-data/live/edge1-syd# nfdump -M
/storage/nfsen/profiles-data/live/edge1-syd -T  -r
2014/08/12/nfcapd.201408120000 -n 10 -s prevas/flows
Unknown stat: 'prevas/flows'!

root@ares:/storage/nfsen/profiles-data/live/edge1-syd# nfdump -M
/storage/nfsen/profiles-data/live/edge1-syd -T  -r
2014/08/12/nfcapd.201408120000 -n 10 -s nextas/flows
Unknown stat: 'nextas/flows'!

root@ares:/storage/nfsen/profiles-data/live/edge1-syd# nfdump -M
/storage/nfsen/profiles-data/live/edge1-syd -T  -r
2014/08/12/nfcapd.201408120000 -n 10 -s srcas/flows
Top 10 Src AS ordered by flows:
Date first seen          Duration Proto            Src AS    Flows(%)
Packets(%)       Bytes(%)         pps      bps   bpp
2014-08-11 23:55:01.837   596.843 any                   0    18660(100.0)
341444(100.0)  133.0 M(100.0)      572    1.8 M   389

Summary: total flows: 18660, total bytes: 133.0 M, total packets: 341444,
avg bps: 1.8 M, avg pps: 572, avg bpp: 389
Time window: 2014-08-11 23:55:01 - 2014-08-12 00:04:58
Total flows processed: 18660, Blocks skipped: 0, Bytes read: 970360
Sys: 0.008s flows/second: 2332500.0  Wall: 0.008s flows/second: 2264838.0

root@ares:/storage/nfsen/profiles-data/live/edge1-syd# nfdump -M
/storage/nfsen/profiles-data/live/edge1-syd -T  -r
2014/08/12/nfcapd.201408120000 -n 10 -s dstas/flows
Top 10 Dst AS ordered by flows:
Date first seen          Duration Proto            Dst AS    Flows(%)
Packets(%)       Bytes(%)         pps      bps   bpp
2014-08-11 23:55:01.837   596.843 any                   0    18660(100.0)
341444(100.0)  133.0 M(100.0)      572    1.8 M   389

Summary: total flows: 18660, total bytes: 133.0 M, total packets: 341444,
avg bps: 1.8 M, avg pps: 572, avg bpp: 389
Time window: 2014-08-11 23:55:01 - 2014-08-12 00:04:58
Total flows processed: 18660, Blocks skipped: 0, Bytes read: 970360
Sys: 0.008s flows/second: 2332500.0  Wall: 0.008s flows/second: 2211162.5

Anything else you can think off I can check ?

Cheers.





On Tue, Aug 12, 2014 at 12:38 PM, geebs <[email protected]> wrote:

> Thanks for your response Mark, I only have ip flow-export version 5
> configured.
> I'll check the flow data to confirm.
> Thanks very much for your response.
>
>
>
> On Tue, Aug 12, 2014 at 12:31 PM, Mark van der Meulen <[email protected]>
> wrote:
>
>> Looks like your routers are not including the AS information in the
>> Netflow packet. What is your router configuration? For some cisco you need
>> 'ip flow-export version 5 origin-as’ I think it is – as opposed to peer-as.
>> I’d be checking the flow data first to confirm you are actually seeing AS
>> information in the packets and if not, work backwards from there;
>> otherwise, if the data is in the packet you might need to be checking
>> something different. Have you tried srcas, nextas , prevas  for the sake
>> of troubleshooting?
>>
>> Mark
>>
>> From: geebs <[email protected]>
>> Date: Tuesday, 12 August 2014 12:17 pm
>> To: "[email protected]" <
>> [email protected]>
>> Subject: [Nfsen-discuss] DST AS 0 - no other AS listed
>>
>> Hello,
>>
>> I'm trying to get a list of my networks top destination AS's.
>> However I'm not getting far, I'm sure it's something I'm not seeing.
>>
>> All my routers are exporting v5 netflow correctly.
>>
>> All I see is 100% of traffic to AS 0 ???
>>
>> Here's the response I get;
>>
>> ** nfdump -M
>> /storage/nfsen/profiles-data/live/core2-bri:edge1-syd:edge2-mel:core2-mel:edge1-mel:core1-bri:core1-mel:core1-per:edge2-syd:edge1-bri:core1-syd:core2-per:core2-syd:edge1-per
>>  -T  -r 2014/08/12/nfcapd.201408120000 -n 10 -s dstas/flows
>> nfdump filter:
>> any
>> Top 10 Dst AS ordered by flows:
>> Date first seen          Duration Proto            Dst AS    Flows(%)
>> Packets(%)       Bytes(%)         pps      bps   bpp
>> 2014-08-11 23:54:58.720   600.031 any                   0   270445(100.0)
>>    6.0 M(100.0)    3.4 G(100.0)     9953   45.6 M   573
>>
>> Summary: total flows: 270445, total bytes: 3.4 G, total packets: 6.0 M,
>> avg bps: 45.6 M, avg pps: 9953, avg bpp: 573
>> Time window: 2014-08-11 23:54:58 - 2014-08-12 00:04:58
>> Total flows processed: 270445, Blocks skipped: 0, Bytes read: 14063784
>> Sys: 0.100s flows/second: 2704314.8  Wall: 0.099s flows/second: 2728460.5
>>
>> Thanks for your time.
>>
>>
>
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