[Nfdump-discuss] softflowd, nfdump, v9 sequence errors

[Mac F. <boo...@gm...>]

Hello!

Have a Ubuntu 14.04.2 LTS, softflowd 0.9.9-1 and nfdump 1.6.8p1-1.
Softflowd exporting flows as Netflow v9. Have a persistent sequence errors
in log file in nfcapd:

May  6 08:52:32 wall1 nfcapd[4324]: Add extension: 2 byte input/output
interface index
May  6 08:52:32 wall1 nfcapd[4324]: Add extension: 4 byte input/output
interface index
May  6 08:52:32 wall1 nfcapd[4324]: Add extension: 2 byte src/dst AS number
May  6 08:52:32 wall1 nfcapd[4324]: Add extension: 4 byte src/dst AS number
May  6 08:52:32 wall1 nfcapd[4324]: Bound to IPv4 host/IP: 127.0.0.1, Port:
9995
May  6 08:52:32 wall1 nfcapd[4324]: Standard setsockopt, SO_RCVBUF is
212992 Requested length is 4194304 bytes
May  6 08:52:32 wall1 nfcapd[4324]: System set setsockopt, SO_RCVBUF to
425984 bytes
May  6 08:52:32 wall1 nfcapd[4326]: Startup.
May  6 08:52:32 wall1 nfcapd[4326]: Init v9: Max number of v9 tags: 75
May  6 08:52:32 wall1 nfcapd[4326]: Init IPFIX: Max number of IPFIX tags: 62
May  6 08:52:33 wall1 nfcapd[4326]: Process_v9: New exporter: SysID: 1,
Domain: 0, IP: 127.0.0.1
May  6 08:52:33 wall1 nfcapd[4326]: Process_v9: [0] Add template 1024
May  6 08:52:33 wall1 nfcapd[4326]: Process_v9: [0] Add template 2048
May  6 08:53:00 wall1 nfcapd[4326]: Ident: 'none' Flows: 7056, Packets:
131783, Bytes: 143337625, Sequence Errors: 863, Bad Packets: 0
May  6 08:53:00 wall1 nfcapd[4326]: Total ignored packets: 0
May  6 08:54:00 wall1 nfcapd[4326]: Ident: 'none' Flows: 17270, Packets:
211099, Bytes: 192228413, Sequence Errors: 2414, Bad Packets: 0
May  6 08:54:00 wall1 nfcapd[4326]: Total ignored packets: 0
May  6 08:55:00 wall1 nfcapd[4326]: Ident: 'none' Flows: 15260, Packets:
150364, Bytes: 130629042, Sequence Errors: 2032, Bad Packets: 0

When softflowd export flows as v5 there are no sequence errors. I tried
play with buffer size with no success. Where is error? How can i solve this
problem?

Thanks.