Frame 2565: 66 bytes on wire (528 bits), 66 bytes captured (528 bits)
    Encapsulation type: Ethernet (1)
    Arrival Time: Jul 22, 2017 02:50:07.211914000 UTC
    UTC Arrival Time: Jul 22, 2017 02:50:07.211914000 UTC
    Epoch Arrival Time: 1500691807.211914000
    [Time shift for this packet: 0.000000000 seconds]
    [Time delta from previous captured frame: 0.000123000 seconds]
    [Time delta from previous displayed frame: 0.000000000 seconds]
    [Time since reference or first frame: 392.686565000 seconds]
    Frame Number: 2565
    Frame Length: 66 bytes (528 bits)
    Capture Length: 66 bytes (528 bits)
    [Frame is marked: False]
    [Frame is ignored: False]
    [Protocols in frame: eth:ethertype:ip:tcp]
Ethernet II, Src: Dell_c3:1b:e9 (00:26:b9:c3:1b:e9), Dst: Cisco_01:e9:5c (00:09:e8:01:e9:5c)
    Destination: Cisco_01:e9:5c (00:09:e8:01:e9:5c)
        .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default)
        .... ...0 .... .... .... .... = IG bit: Individual address (unicast)
    Source: Dell_c3:1b:e9 (00:26:b9:c3:1b:e9)
        .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default)
        .... ...0 .... .... .... .... = IG bit: Individual address (unicast)
    Type: IPv4 (0x0800)
    [Stream index: 3]
Internet Protocol Version 4, Src: 172.16.45.52, Dst: 72.21.81.200
    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: 52
    Identification: 0x0189 (393)
    010. .... = Flags: 0x2, Don't fragment
        0... .... = Reserved bit: Not set
        .1.. .... = Don't fragment: Set
        ..0. .... = More fragments: Not set
    ...0 0000 0000 0000 = Fragment Offset: 0
    Time to Live: 128
    Protocol: TCP (6)
    Header Checksum: 0x157f [validation disabled]
    [Header checksum status: Unverified]
    Source Address: 172.16.45.52
    Destination Address: 72.21.81.200
    [Destination GeoIP: US]
        [Destination GeoIP Country: United States]
        [Source or Destination GeoIP Country: United States]
        [Destination GeoIP ISO Two Letter Country Code: US]
        [Source or Destination GeoIP ISO Two Letter Country Code: US]
        [Destination GeoIP Latitude: 37.751]
        [Source or Destination GeoIP Latitude: 37.751]
        [Destination GeoIP Longitude: -97.822]
        [Source or Destination GeoIP Longitude: -97.822]
    [Stream index: 32]
Transmission Control Protocol, Src Port: 49164, Dst Port: 80, Seq: 369, Ack: 206857, Len: 0
    Source Port: 49164
    Destination Port: 80
    [Stream index: 47]
    [Stream Packet Number: 305]
    [Conversation completeness: Incomplete, DATA (15)]
        ..0. .... = RST: Absent
        ...0 .... = FIN: Absent
        .... 1... = Data: Present
        .... .1.. = ACK: Present
        .... ..1. = SYN-ACK: Present
        .... ...1 = SYN: Present
        [Completeness Flags: ··DASS]
    [TCP Segment Len: 0]
    Sequence Number: 369    (relative sequence number)
    Sequence Number (raw): 4247731854
    [Next Sequence Number: 369    (relative sequence number)]
    Acknowledgment Number: 206857    (relative ack number)
    Acknowledgment number (raw): 2196216093
    1000 .... = Header Length: 32 bytes (8)
    Flags: 0x010 (ACK)
        000. .... .... = Reserved: Not set
        ...0 .... .... = Accurate ECN: Not set
        .... 0... .... = Congestion Window Reduced: Not set
        .... .0.. .... = ECN-Echo: Not set
        .... ..0. .... = Urgent: Not set
        .... ...1 .... = Acknowledgment: Set
        .... .... 0... = Push: Not set
        .... .... .0.. = Reset: Not set
        .... .... ..0. = Syn: Not set
        .... .... ...0 = Fin: Not set
        [TCP Flags: ·······A····]
    Window: 1357
    [Calculated window size: 347392]
    [Window size scaling factor: 256]
    Checksum: 0x2b6a [unverified]
    [Checksum Status: Unverified]
    Urgent Pointer: 0
    Options: (12 bytes), No-Operation (NOP), No-Operation (NOP), SACK
        TCP Option - No-Operation (NOP)
            Kind: No-Operation (1)
        TCP Option - No-Operation (NOP)
            Kind: No-Operation (1)
        TCP Option - SACK 208209-210913
            Kind: SACK (5)
            Length: 10
            left edge = 208209 (relative)
            right edge = 210913 (relative)
            [TCP SACK Count: 1]
    [Timestamps]
        [Time since first frame in this TCP stream: 0.753144000 seconds]
        [Time since previous frame in this TCP stream: 0.000229000 seconds]
    [SEQ/ACK analysis]
        [iRTT: 0.060207000 seconds]
        [TCP Analysis Flags]
            [This is a TCP duplicate ack]
        [Duplicate ACK #: 1]
        [Duplicate to the ACK in frame: 2562]
            [Expert Info (Note/Sequence): Duplicate ACK (#1)]
                [Duplicate ACK (#1)]
                [Severity level: Note]
                [Group: Sequence]