On 31/7/2016 1:48 μμ, Phil Mayers wrote:

The template frame is relevant too. Could you show the wireshark of that?

Of course. Here it is:
No.     Time                          Source                Destination           Protocol Length Info
    877 2016-07-31 00:23:44.691830    195.251.204.254       195.251.204.212       CFLOW    163    total: 2 (v9) records Obs-Domain-ID=    0 [Data:257] [Data-Template:257]

Frame 877: 163 bytes on wire (1304 bits), 163 bytes captured (1304 bits)
    Encapsulation type: Ethernet (1)
    Arrival Time: Jul 31, 2016 00:23:44.691830000 GTB Daylight Time
    [Time shift for this packet: 0.000000000 seconds]
    Epoch Time: 1469913824.691830000 seconds
    [Time delta from previous captured frame: 0.126154000 seconds]
    [Time delta from previous displayed frame: 0.126154000 seconds]
    [Time since reference or first frame: 401.126018000 seconds]
    Frame Number: 877
    Frame Length: 163 bytes (1304 bits)
    Capture Length: 163 bytes (1304 bits)
    [Frame is marked: True]
    [Frame is ignored: False]
    [Protocols in frame: eth:ethertype:ip:udp:cflow]
    [Coloring Rule Name: UDP]
    [Coloring Rule String: udp]
Ethernet II, Src: CiscoInc_52:38:11 (f4:0f:1b:52:38:11), Dst: DigitalE_2e:f5:53 (aa:00:00:2e:f5:53)
    Destination: DigitalE_2e:f5:53 (aa:00:00:2e:f5:53)
        Address: DigitalE_2e:f5:53 (aa:00:00:2e:f5:53)
        .... ..1. .... .... .... .... = LG bit: Locally administered address (this is NOT the factory default)
        .... ...0 .... .... .... .... = IG bit: Individual address (unicast)
    Source: CiscoInc_52:38:11 (f4:0f:1b:52:38:11)
        Address: CiscoInc_52:38:11 (f4:0f:1b:52:38:11)
        .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default)
        .... ...0 .... .... .... .... = IG bit: Individual address (unicast)
    Type: IPv4 (0x0800)
Internet Protocol Version 4, Src: 195.251.204.254, Dst: 195.251.204.212
    0100 .... = Version: 4
    .... 0101 = Header Length: 20 bytes (5)
    Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT)
        0000 00.. = Differentiated Services Codepoint: Default (0)
        .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0)
    Total Length: 149
    Identification: 0x6ebf (28351)
    Flags: 0x00
        0... .... = Reserved bit: Not set
        .0.. .... = Don't fragment: Not set
        ..0. .... = More fragments: Not set
    Fragment offset: 0
    Time to live: 255
    Protocol: UDP (17)
    Header checksum: 0x2ace [validation disabled]
        [Good: False]
        [Bad: False]
    Source: 195.251.204.254
    Destination: 195.251.204.212
    [Source GeoIP: Unknown]
    [Destination GeoIP: Unknown]
User Datagram Protocol, Src Port: 57095 (57095), Dst Port: 9995 (9995)
    Source Port: 57095
    Destination Port: 9995
    Length: 129
    Checksum: 0x9d37 [validation disabled]
        [Good Checksum: False]
        [Bad Checksum: False]
    [Stream index: 1]
Cisco NetFlow/IPFIX
    Version: 9
    Count: 2
    SysUptime: 146664.635723936 seconds
    Timestamp: Jul 31, 2016 00:23:44.000000000 GTB Daylight Time
        CurrentSecs: 1469913824
    FlowSequence: 59948 (expected 271514)
        [Expert Info (Warn/Sequence): Unexpected flow sequence for domain ID 0 (expected 271514, got 59948)]
            [Unexpected flow sequence for domain ID 0 (expected 271514, got 59948)]
            [Severity level: Warn]
            [Group: Sequence]
    SourceId: 0
    FlowSet 1 [id=257] (1 flows)
        FlowSet Id: (Data) (257)
        FlowSet Length: 57
        [Template Frame: 877]
        Flow 1
            DstAddr: 2001:648:2011:10::234
            Protocol: TCP (6)
            SrcPort: 46042 (46042)
            DstPort: 80 (80)
            Octets: 495
            Packets: 5
            [Duration: 0.012000000 seconds (switched)]
                StartTime: 146647.752000000 seconds
                EndTime: 146647.764000000 seconds
            SrcAddr: 2001:648:2011:8010::211
    FlowSet 2 [id=0] (Data Template): 257
        FlowSet Id: Data Template (V9) (0)
        FlowSet Length: 44
        Template (Id = 257, Count = 9)
            Template Id: 257
            Field Count: 9
            Field (1/9): IPV6_DST_ADDR
                Type: IPV6_DST_ADDR (28)
                Length: 16
            Field (2/9): PROTOCOL
                Type: PROTOCOL (4)
                Length: 1
            Field (3/9): L4_SRC_PORT
                Type: L4_SRC_PORT (7)
                Length: 2
            Field (4/9): L4_DST_PORT
                Type: L4_DST_PORT (11)
                Length: 2
            Field (5/9): BYTES
                Type: BYTES (1)
                Length: 4
            Field (6/9): PKTS
                Type: PKTS (2)
                Length: 4
            Field (7/9): FIRST_SWITCHED
                Type: FIRST_SWITCHED (22)
                Length: 4
            Field (8/9): LAST_SWITCHED
                Type: LAST_SWITCHED (21)
                Length: 4
            Field (9/9): IPV6_SRC_ADDR
                Type: IPV6_SRC_ADDR (27)
                Length: 16
    [Expected Sequence Number: 271514]
    [Previous Frame in Sequence: 876]
Thanks for the help!

Nick



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