On 01/10/2021 13:53, nfsen-discuss-requ...@lists.sourceforge.net wrote:
I already have a mikrotik => nfsen pair and can not see the asn field
either.
Mikrotik doesn't export AS number information, even if you have a full
BGP table. Looks like the same may be true of Huawei too.
https://forum.mikrotik.com/viewtopic.php?t=92861
https://thwack.solarwinds.com/product-forums/netflow-traffic-analyzer-nta/f/forum/44088/supported-devices-to-export-bgp-asn-in-flow-export-in-nta
You'll need to map the IP addresses to ASNs after the flow records are
captured. There is apparently a script "nfasnupd" which can do this (I
haven't used it myself). See:
https://metacpan.org/pod/Net::NfDump
https://sourceforge.net/p/nfsen/mailman/message/36237640/
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