Connecting to wifi in windows environment



  • I can see the DuetWiFi on the secure wifi at the office it assigns it 2 IP address 10.54.24.171, in the process of connecting it keeps resetting the WiFi ,can anyone help me get this connected or point me in the right direction?


  • administrators

    Please explain what you mean by "in the process of connecting it keeps resetting the WiFi".



  • Her is what it looks like it is assigning 2 IP address. When I put the 10.54.24.171 in the Firefox browser it just searches and never connects. I have Mac at home and have no problem connecting, not a windows fan but it is what we have at work. It has not done a reset so far however I cannot connect thru browser.

    Attempting connection at \.\COM13…
    Testing plaintext communication protocol...
    READ: ok
    Connected to machine!
    SENT: T0
    READ: ok
    SENT: M105
    READ: ok T:B:-273.1
    SENT: M105
    READ: ok T:B:-273.1
    SENT: M552
    READ: Network is enabled, configured IP address: 192.168.1.10, actual IP address: 10.54.24.171, HTTP port: 80
    READ: ok
    SENT: M105
    READ: ok T:B:-273.1
    SENT: M105
    READ: ok T:B:-273.1

    SENT: M115
    READ: FIRMWARE_NAME: RepRapFirmware for Duet WiFi FIRMWARE_VERSION: 1.15c ELECTRONICS: Duet WiFi 1.0 DATE: 2016-09-05


  • administrators

    My guess is that your corporate router is blocking the connection. Can you ping the Duet WiFi?



  • Yes pinging the Duet is no problem: I have updated all and here is what is going on:

    READ: DuetWiFiServer version 1.03 (ch fork)
    READ: Flash size 4194304, free RAM 32840 bytes, WiFi Vcc 3.12V, host name: duetwifi, reset reason: Turned on by main processor
    READ: WiFi server connected to access point TipperTie-Apex-Secure, IP=10.54.24.171, signal strength=-67dBm
    READ: DuetWiFiServer version 1.03 (ch fork)
    READ: Flash size 4194304, free RAM 32840 bytes, WiFi Vcc 3.12V, host name: duetwifi, reset reason: Exception
    READ: WiFi server connected to access point TipperTie-Apex-Secure, IP=10.54.24.171, signal strength=-68dBm
    READ: DuetWiFiServer version 1.03 (ch fork)
    READ: Flash size 4194304, free RAM 32840 bytes, WiFi Vcc 3.12V, host name: duetwifi, reset reason: Exception
    READ: WiFi server connected to access point TipperTie-Apex-Secure, IP=10.54.24.171, signal strength=-71dBm
    READ: DuetWiFiServer version 1.03 (ch fork)
    READ: Flash size 4194304, free RAM 32840 bytes, WiFi Vcc 3.12V, host name: duetwifi, reset reason: Exception
    READ: WiFi server connected to access point TipperTie-Apex-Secure, IP=10.54.24.171, signal strength=-68dBm
    READ: DuetWiFiServer version 1.03 (ch fork)
    READ: Flash size 4194304, free RAM 32840 bytes, WiFi Vcc 3.12V, host name: duetwifi, reset reason: Exception
    READ: WiFi server connected to access point TipperTie-Apex-Secure, IP=10.54.24.171, signal strength=-69dBm

    READ: FIRMWARE_NAME: RepRapFirmware for Duet WiFi FIRMWARE_VERSION: 1.16 ELECTRONICS: Duet WiFi 1.0 FIRMWARE_DATE: 2016-11-08
    READ: ok
    READ: DuetWiFiServer version 1.03 (ch fork)
    READ: Flash size 4194304, free RAM 32840 bytes, WiFi Vcc 3.12V, host name: duetwifi, reset reason: Exception
    READ: WiFi server connected to access point TipperTie-Apex-Secure, IP=10.54.24.171, signal strength=-68dBm



  • Here is the ping info

    H:>C:

    C:>ping 10.54.24.171

    Pinging 10.54.24.171 with 32 bytes of data:
    Reply from 10.54.24.171: bytes=32 time=5ms TTL=128
    Reply from 10.54.24.171: bytes=32 time=4ms TTL=128
    Reply from 10.54.24.171: bytes=32 time=4ms TTL=128
    Reply from 10.54.24.171: bytes=32 time=3ms TTL=128

    Ping statistics for 10.54.24.171:
    Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
    Approximate round trip times in milli-seconds:
    Minimum = 3ms, Maximum = 5ms, Average = 4ms

    C:>



  • Can't you connect to 192.168.1.10?


  • administrators

    So the Duet is responding to pings but apparently not to HTTP requests. Your corporate router may be blocking requests t named IP addresses as part if a corporate internet access policy. Does your company have an IT department you can ask?

    Two things you can try:

    1. Load the developer console in FireFox by pressing control-shift-J, and see if there are any error messages.

    2. Use Wireshark on your PC to log the network traffic to/from the Duet's IP address - if you are allowed to install WireShark on the PC.



  • @dc42:

    So the Duet is responding to pings but apparently not to HTTP requests. Your corporate router may be blocking requests t named IP addresses as part if a corporate internet access policy. Does your company have an IT department you can ask?

    Two things you can try:

    1. Load the developer console in FireFox by pressing control-shift-J, and see if there are any error messages.

    2. Use Wireshark on your PC to log the network traffic to/from the Duet's IP address - if you are allowed to install WireShark on the PC.

    I have been working with my IT department. They are trying to figure out why the DuetWiFi keeps resetting itself. I have posted the logs from the S3D console above.
    Sometimes the page loading will say DuetWiFi but even then it does not connect or bring up the web control page. I brought up the developer console but did not see any errors.
    It would be nice to work for a company that just had MACS.



  • The other question is why is it configuring a 192 address and actual address 10.54.24.171?

    READ: Network is enabled, configured IP address: 192.168.1.10, actual IP address: 10.54.24.171, HTTP port: 80
    READ: ok


  • administrators

    The configured IP address is currently ignored by the Duet WiFi, it can only get its IP address via DHCP.

    I understand now, the WiFi module keeps resetting itself because of an exception. Must be a bug in DuetWiFiServer. Try installing the previous DuetWiFiServer version 1.02 in case it makes any difference.



  • I installed the Version 1.02 and it still is resetting itself because of an exception.



  • Still have resetting issues, I have been working with IT. They sent me the wireshark info and I have added below. Hopefully someone can shed some light on the issue I am having

    READ: Network is enabled, configured IP address: 192.168.1.10, actual IP address: 10.54.24.171, HTTP port: 80
    READ: ok
    READ: DuetWiFiServer version 1.02
    READ: Flash size 4194304, free RAM 31504 bytes, WiFi Vcc 3.37V, host name: duetwifi, reset reason: Exception
    READ: WiFi server connected to access point TipperTie-Apex-Secure, IP=10.54.24.171, signal strength=-62dBm
    READ: DuetWiFiServer version 1.02
    READ: Flash size 4194304, free RAM 31504 bytes, WiFi Vcc 3.37V, host name: duetwifi, reset reason: Exception
    READ: WiFi server connected to access point TipperTie-Apex-Secure, IP=10.54.24.171, signal strength=-63dBm
    SENT: M552
    READ: Network is enabled, configured IP address: 192.168.1.10, actual IP address: 10.54.24.171, HTTP port: 80
    READ: ok
    SENT: M552
    READ: Network is enabled, configured IP address: 192.168.1.10, actual IP address: 10.54.24.171, HTTP port: 80
    READ: ok
    READ: DuetWiFiServer version 1.02
    READ: Flash size 4194304, free RAM 31504 bytes, WiFi Vcc 3.37V, host name: duetwifi, reset reason: Software restart
    READ: WiFi server connected to access point TipperTie-Apex-Secure, IP=10.54.24.171, signal strength=-62dBm

    No. Time Source Destination Protocol Length Info
    570 34.419180 10.54.22.74 10.54.24.171 TCP 66 52160→80 [SYN] Seq=0 Win=8192 Len=0 MSS=1460 WS=256 SACK_PERM=1

    Frame 570: 66 bytes on wire (528 bits), 66 bytes captured (528 bits) on interface 0
    Ethernet II, Src: PacketFo_8c:51:28 (00:23:56:8c:51:28), Dst: CiscoInc_d1:2d:3f (88:5a:92:d1:2d:3f)
    Internet Protocol Version 4, Src: 10.54.22.74, Dst: 10.54.24.171
    Transmission Control Protocol, Src Port: 52160, Dst Port: 80, Seq: 0, Len: 0
    Source Port: 52160
    Destination Port: 80
    [Stream index: 62]
    [TCP Segment Len: 0]
    Sequence number: 0 (relative sequence number)
    Acknowledgment number: 0
    Header Length: 32 bytes
    Flags: 0x002 (SYN)
    000. …. .... = Reserved: Not set
    ...0 .... .... = Nonce: Not set
    .... 0... .... = Congestion Window Reduced (CWR): Not set
    .... .0.. .... = ECN-Echo: Not set
    .... ..0. .... = Urgent: Not set
    .... ...0 .... = Acknowledgment: Not set
    .... .... 0... = Push: Not set
    .... .... .0.. = Reset: Not set
    .... .... ..1. = Syn: Set
    [Expert Info (Chat/Sequence): Connection establish request (SYN): server port 80]
    …. .... ...0 = Fin: Not set
    [TCP Flags: ··········S·]
    Window size value: 8192
    [Calculated window size: 8192]
    Checksum: 0x4387 [unverified]
    [Checksum Status: Unverified]
    Urgent pointer: 0
    Options: (12 bytes), Maximum segment size, No-Operation (NOP), Window scale, No-Operation (NOP), No-Operation (NOP), SACK permitted

    No. Time Source Destination Protocol Length Info
    572 34.424494 10.54.22.74 10.54.24.171 TCP 54 52160→80 [ACK] Seq=1 Ack=1 Win=65142 Len=0

    Frame 572: 54 bytes on wire (432 bits), 54 bytes captured (432 bits) on interface 0
    Ethernet II, Src: PacketFo_8c:51:28 (00:23:56:8c:51:28), Dst: CiscoInc_d1:2d:3f (88:5a:92:d1:2d:3f)
    Internet Protocol Version 4, Src: 10.54.22.74, Dst: 10.54.24.171
    Transmission Control Protocol, Src Port: 52160, Dst Port: 80, Seq: 1, Ack: 1, Len: 0
    Source Port: 52160
    Destination Port: 80
    [Stream index: 62]
    [TCP Segment Len: 0]
    Sequence number: 1 (relative sequence number)
    Acknowledgment number: 1 (relative ack number)
    Header Length: 20 bytes
    Flags: 0x010 (ACK)
    000. …. .... = Reserved: Not set
    ...0 .... .... = Nonce: Not set
    .... 0... .... = Congestion Window Reduced (CWR): 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 size value: 65142
    [Calculated window size: 65142]
    [Window size scaling factor: -2 (no window scaling used)]
    Checksum: 0x437b [unverified]
    [Checksum Status: Unverified]
    Urgent pointer: 0
    [SEQ/ACK analysis]
    [This is an ACK to the segment in frame: 571]
    [The RTT to ACK the segment was: 0.000096000 seconds]
    [iRTT: 0.005314000 seconds]

    No. Time Source Destination Protocol Length Info
    573 34.424618 10.54.22.74 10.54.24.171 HTTP 371 GET / HTTP/1.1

    Frame 573: 371 bytes on wire (2968 bits), 371 bytes captured (2968 bits) on interface 0
    Ethernet II, Src: PacketFo_8c:51:28 (00:23:56:8c:51:28), Dst: CiscoInc_d1:2d:3f (88:5a:92:d1:2d:3f)
    Internet Protocol Version 4, Src: 10.54.22.74, Dst: 10.54.24.171
    Transmission Control Protocol, Src Port: 52160, Dst Port: 80, Seq: 1, Ack: 1, Len: 317
    Source Port: 52160
    Destination Port: 80
    [Stream index: 62]
    [TCP Segment Len: 317]
    Sequence number: 1 (relative sequence number)
    [Next sequence number: 318 (relative sequence number)]
    Acknowledgment number: 1 (relative ack number)
    Header Length: 20 bytes
    Flags: 0x018 (PSH, ACK)
    000. …. .... = Reserved: Not set
    ...0 .... .... = Nonce: Not set
    .... 0... .... = Congestion Window Reduced (CWR): Not set
    .... .0.. .... = ECN-Echo: Not set
    .... ..0. .... = Urgent: Not set
    .... ...1 .... = Acknowledgment: Set
    .... .... 1... = Push: Set
    .... .... .0.. = Reset: Not set
    .... .... ..0. = Syn: Not set
    .... .... ...0 = Fin: Not set
    [TCP Flags: ·······AP···]
    Window size value: 65142
    [Calculated window size: 65142]
    [Window size scaling factor: -2 (no window scaling used)]
    Checksum: 0x44b8 [unverified]
    [Checksum Status: Unverified]
    Urgent pointer: 0
    [SEQ/ACK analysis]
    [iRTT: 0.005314000 seconds]
    [Bytes in flight: 317]
    [Bytes sent since last PSH flag: 317]
    Hypertext Transfer Protocol
    GET / HTTP/1.1\r\n
    [Expert Info (Chat/Sequence): GET / HTTP/1.1\r\n]
    Request Method: GET
    Request URI: /
    Request Version: HTTP/1.1
    Host: 10.54.24.171\r\n
    User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:49.0) Gecko/20100101 Firefox/49.0\r\n
    Accept: text/html,application/xhtml+xml,application/xml;q=0.9,/;q=0.8\r\n
    Accept-Language: en-US,en;q=0.5\r\n
    Accept-Encoding: gzip, deflate\r\n
    Connection: keep-alive\r\n
    Upgrade-Insecure-Requests: 1\r\n
    \r\n
    [Full request URI: [url]http://10.54.24.171/]
    [HTTP request 1/1]

    No. Time Source Destination Protocol Length Info
    999 44.531723 10.54.22.74 10.54.24.171 TCP 55 [TCP Keep-Alive] 52160→80 [ACK] Seq=317 Ack=1 Win=65142 Len=1

    Frame 999: 55 bytes on wire (440 bits), 55 bytes captured (440 bits) on interface 0
    Ethernet II, Src: PacketFo_8c:51:28 (00:23:56:8c:51:28), Dst: CiscoInc_d1:2d:3f (88:5a:92:d1:2d:3f)
    Internet Protocol Version 4, Src: 10.54.22.74, Dst: 10.54.24.171
    Transmission Control Protocol, Src Port: 52160, Dst Port: 80, Seq: 317, Ack: 1, Len: 1
    Source Port: 52160
    Destination Port: 80
    [Stream index: 62]
    [TCP Segment Len: 1]
    Sequence number: 317 (relative sequence number)
    [Next sequence number: 318 (relative sequence number)]
    Acknowledgment number: 1 (relative ack number)
    Header Length: 20 bytes
    Flags: 0x010 (ACK)
    000. …. .... = Reserved: Not set
    ...0 .... .... = Nonce: Not set
    .... 0... .... = Congestion Window Reduced (CWR): 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 size value: 65142
    [Calculated window size: 65142]
    [Window size scaling factor: -2 (no window scaling used)]
    Checksum: 0x437c [unverified]
    [Checksum Status: Unverified]
    Urgent pointer: 0
    [SEQ/ACK analysis]
    [iRTT: 0.005314000 seconds]
    [Bytes in flight: 1]
    [Bytes sent since last PSH flag: 1]
    [TCP Analysis Flags]
    [Expert Info (Note/Sequence): TCP keep-alive segment]
    Data (1 byte)

    0000 00 .

    No. Time Source Destination Protocol Length Info
    1001 44.539106 10.54.22.74 10.54.24.171 TCP 54 [TCP Dup ACK 572#1] 52160→80 [ACK] Seq=318 Ack=1 Win=65142 Len=0

    Frame 1001: 54 bytes on wire (432 bits), 54 bytes captured (432 bits) on interface 0
    Ethernet II, Src: PacketFo_8c:51:28 (00:23:56:8c:51:28), Dst: CiscoInc_d1:2d:3f (88:5a:92:d1:2d:3f)
    Internet Protocol Version 4, Src: 10.54.22.74, Dst: 10.54.24.171
    Transmission Control Protocol, Src Port: 52160, Dst Port: 80, Seq: 318, Ack: 1, Len: 0
    Source Port: 52160
    Destination Port: 80
    [Stream index: 62]
    [TCP Segment Len: 0]
    Sequence number: 318 (relative sequence number)
    Acknowledgment number: 1 (relative ack number)
    Header Length: 20 bytes
    Flags: 0x010 (ACK)
    000. …. .... = Reserved: Not set
    ...0 .... .... = Nonce: Not set
    .... 0... .... = Congestion Window Reduced (CWR): 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 size value: 65142
    [Calculated window size: 65142]
    [Window size scaling factor: -2 (no window scaling used)]
    Checksum: 0x437b [unverified]
    [Checksum Status: Unverified]
    Urgent pointer: 0
    [SEQ/ACK analysis]
    [iRTT: 0.005314000 seconds]
    [TCP Analysis Flags]
    [This is a TCP duplicate ack]
    [Duplicate ACK #: 1]
    [Duplicate to the ACK in frame: 572]
    [Expert Info (Note/Sequence): Duplicate ACK (#1)]

    No. Time Source Destination Protocol Length Info
    1024 45.532290 10.54.22.74 10.54.24.171 TCP 55 [TCP Keep-Alive] 52160→80 [ACK] Seq=317 Ack=1 Win=65142 Len=1

    Frame 1024: 55 bytes on wire (440 bits), 55 bytes captured (440 bits) on interface 0
    Ethernet II, Src: PacketFo_8c:51:28 (00:23:56:8c:51:28), Dst: CiscoInc_d1:2d:3f (88:5a:92:d1:2d:3f)
    Internet Protocol Version 4, Src: 10.54.22.74, Dst: 10.54.24.171
    Transmission Control Protocol, Src Port: 52160, Dst Port: 80, Seq: 317, Ack: 1, Len: 1
    Source Port: 52160
    Destination Port: 80
    [Stream index: 62]
    [TCP Segment Len: 1]
    Sequence number: 317 (relative sequence number)
    [Next sequence number: 318 (relative sequence number)]
    Acknowledgment number: 1 (relative ack number)
    Header Length: 20 bytes
    Flags: 0x010 (ACK)
    000. …. .... = Reserved: Not set
    ...0 .... .... = Nonce: Not set
    .... 0... .... = Congestion Window Reduced (CWR): 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 size value: 65142
    [Calculated window size: 65142]
    [Window size scaling factor: -2 (no window scaling used)]
    Checksum: 0x437c [unverified]
    [Checksum Status: Unverified]
    Urgent pointer: 0
    [SEQ/ACK analysis]
    [iRTT: 0.005314000 seconds]
    [Bytes in flight: 1]
    [Bytes sent since last PSH flag: 2]
    [TCP Analysis Flags]
    [Expert Info (Note/Sequence): TCP keep-alive segment]
    Data (1 byte)

    0000 00 .

    No. Time Source Destination Protocol Length Info
    1041 46.532352 10.54.22.74 10.54.24.171 TCP 55 [TCP Keep-Alive] 52160→80 [ACK] Seq=317 Ack=1 Win=65142 Len=1

    Frame 1041: 55 bytes on wire (440 bits), 55 bytes captured (440 bits) on interface 0
    Ethernet II, Src: PacketFo_8c:51:28 (00:23:56:8c:51:28), Dst: CiscoInc_d1:2d:3f (88:5a:92:d1:2d:3f)
    Internet Protocol Version 4, Src: 10.54.22.74, Dst: 10.54.24.171
    Transmission Control Protocol, Src Port: 52160, Dst Port: 80, Seq: 317, Ack: 1, Len: 1
    Source Port: 52160
    Destination Port: 80
    [Stream index: 62]
    [TCP Segment Len: 1]
    Sequence number: 317 (relative sequence number)
    [Next sequence number: 318 (relative sequence number)]
    Acknowledgment number: 1 (relative ack number)
    Header Length: 20 bytes
    Flags: 0x010 (ACK)
    000. …. .... = Reserved: Not set
    ...0 .... .... = Nonce: Not set
    .... 0... .... = Congestion Window Reduced (CWR): 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 size value: 65142
    [Calculated window size: 65142]
    [Window size scaling factor: -2 (no window scaling used)]
    Checksum: 0x437c [unverified]
    [Checksum Status: Unverified]
    Urgent pointer: 0
    [SEQ/ACK analysis]
    [iRTT: 0.005314000 seconds]
    [Bytes in flight: 1]
    [Bytes sent since last PSH flag: 3]
    [TCP Analysis Flags]
    [Expert Info (Note/Sequence): TCP keep-alive segment]
    Data (1 byte)

    0000 00 .

    No. Time Source Destination Protocol Length Info
    1055 47.532789 10.54.22.74 10.54.24.171 TCP 55 [TCP Keep-Alive] 52160→80 [ACK] Seq=317 Ack=1 Win=65142 Len=1

    Frame 1055: 55 bytes on wire (440 bits), 55 bytes captured (440 bits) on interface 0
    Ethernet II, Src: PacketFo_8c:51:28 (00:23:56:8c:51:28), Dst: CiscoInc_d1:2d:3f (88:5a:92:d1:2d:3f)
    Internet Protocol Version 4, Src: 10.54.22.74, Dst: 10.54.24.171
    Transmission Control Protocol, Src Port: 52160, Dst Port: 80, Seq: 317, Ack: 1, Len: 1
    Source Port: 52160
    Destination Port: 80
    [Stream index: 62]
    [TCP Segment Len: 1]
    Sequence number: 317 (relative sequence number)
    [Next sequence number: 318 (relative sequence number)]
    Acknowledgment number: 1 (relative ack number)
    Header Length: 20 bytes
    Flags: 0x010 (ACK)
    000. …. .... = Reserved: Not set
    ...0 .... .... = Nonce: Not set
    .... 0... .... = Congestion Window Reduced (CWR): 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 size value: 65142
    [Calculated window size: 65142]
    [Window size scaling factor: -2 (no window scaling used)]
    Checksum: 0x437c [unverified]
    [Checksum Status: Unverified]
    Urgent pointer: 0
    [SEQ/ACK analysis]
    [iRTT: 0.005314000 seconds]
    [Bytes in flight: 1]
    [Bytes sent since last PSH flag: 4]
    [TCP Analysis Flags]
    [Expert Info (Note/Sequence): TCP keep-alive segment]
    Data (1 byte)

    0000 00 .

    No. Time Source Destination Protocol Length Info
    1060 48.533501 10.54.22.74 10.54.24.171 TCP 55 [TCP Keep-Alive] 52160→80 [ACK] Seq=317 Ack=1 Win=65142 Len=1

    Frame 1060: 55 bytes on wire (440 bits), 55 bytes captured (440 bits) on interface 0
    Ethernet II, Src: PacketFo_8c:51:28 (00:23:56:8c:51:28), Dst: CiscoInc_d1:2d:3f (88:5a:92:d1:2d:3f)
    Internet Protocol Version 4, Src: 10.54.22.74, Dst: 10.54.24.171
    Transmission Control Protocol, Src Port: 52160, Dst Port: 80, Seq: 317, Ack: 1, Len: 1
    Source Port: 52160
    Destination Port: 80
    [Stream index: 62]
    [TCP Segment Len: 1]
    Sequence number: 317 (relative sequence number)
    [Next sequence number: 318 (relative sequence number)]
    Acknowledgment number: 1 (relative ack number)
    Header Length: 20 bytes
    Flags: 0x010 (ACK)
    000. …. .... = Reserved: Not set
    ...0 .... .... = Nonce: Not set
    .... 0... .... = Congestion Window Reduced (CWR): 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 size value: 65142
    [Calculated window size: 65142]
    [Window size scaling factor: -2 (no window scaling used)]
    Checksum: 0x437c [unverified]
    [Checksum Status: Unverified]
    Urgent pointer: 0
    [SEQ/ACK analysis]
    [iRTT: 0.005314000 seconds]
    [Bytes in flight: 1]
    [Bytes sent since last PSH flag: 5]
    [TCP Analysis Flags]
    [Expert Info (Note/Sequence): TCP keep-alive segment]
    Data (1 byte)

    0000 00 .

    No. Time Source Destination Protocol Length Info
    1128 49.534717 10.54.22.74 10.54.24.171 TCP 55 [TCP Keep-Alive] 52160→80 [ACK] Seq=317 Ack=1 Win=65142 Len=1

    Frame 1128: 55 bytes on wire (440 bits), 55 bytes captured (440 bits) on interface 0
    Ethernet II, Src: PacketFo_8c:51:28 (00:23:56:8c:51:28), Dst: CiscoInc_d1:2d:3f (88:5a:92:d1:2d:3f)
    Internet Protocol Version 4, Src: 10.54.22.74, Dst: 10.54.24.171
    Transmission Control Protocol, Src Port: 52160, Dst Port: 80, Seq: 317, Ack: 1, Len: 1
    Source Port: 52160
    Destination Port: 80
    [Stream index: 62]
    [TCP Segment Len: 1]
    Sequence number: 317 (relative sequence number)
    [Next sequence number: 318 (relative sequence number)]
    Acknowledgment number: 1 (relative ack number)
    Header Length: 20 bytes
    Flags: 0x010 (ACK)
    000. …. .... = Reserved: Not set
    ...0 .... .... = Nonce: Not set
    .... 0... .... = Congestion Window Reduced (CWR): 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 size value: 65142
    [Calculated window size: 65142]
    [Window size scaling factor: -2 (no window scaling used)]
    Checksum: 0x437c [unverified]
    [Checksum Status: Unverified]
    Urgent pointer: 0
    [SEQ/ACK analysis]
    [iRTT: 0.005314000 seconds]
    [Bytes in flight: 1]
    [Bytes sent since last PSH flag: 6]
    [TCP Analysis Flags]
    [Expert Info (Note/Sequence): TCP keep-alive segment]
    Data (1 byte)

    0000 00 .

    No. Time Source Destination Protocol Length Info
    1140 50.535052 10.54.22.74 10.54.24.171 TCP 55 [TCP Keep-Alive] 52160→80 [ACK] Seq=317 Ack=1 Win=65142 Len=1

    Frame 1140: 55 bytes on wire (440 bits), 55 bytes captured (440 bits) on interface 0
    Ethernet II, Src: PacketFo_8c:51:28 (00:23:56:8c:51:28), Dst: CiscoInc_d1:2d:3f (88:5a:92:d1:2d:3f)
    Internet Protocol Version 4, Src: 10.54.22.74, Dst: 10.54.24.171
    Transmission Control Protocol, Src Port: 52160, Dst Port: 80, Seq: 317, Ack: 1, Len: 1
    Source Port: 52160
    Destination Port: 80
    [Stream index: 62]
    [TCP Segment Len: 1]
    Sequence number: 317 (relative sequence number)
    [Next sequence number: 318 (relative sequence number)]
    Acknowledgment number: 1 (relative ack number)
    Header Length: 20 bytes
    Flags: 0x010 (ACK)
    000. …. .... = Reserved: Not set
    ...0 .... .... = Nonce: Not set
    .... 0... .... = Congestion Window Reduced (CWR): 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 size value: 65142
    [Calculated window size: 65142]
    [Window size scaling factor: -2 (no window scaling used)]
    Checksum: 0x437c [unverified]
    [Checksum Status: Unverified]
    Urgent pointer: 0
    [SEQ/ACK analysis]
    [iRTT: 0.005314000 seconds]
    [Bytes in flight: 1]
    [Bytes sent since last PSH flag: 7]
    [TCP Analysis Flags]
    [Expert Info (Note/Sequence): TCP keep-alive segment]
    Data (1 byte)

    0000 00 .

    No. Time Source Destination Protocol Length Info
    1199 51.534834 10.54.22.74 10.54.24.171 TCP 55 [TCP Keep-Alive] 52160→80 [ACK] Seq=317 Ack=1 Win=65142 Len=1

    Frame 1199: 55 bytes on wire (440 bits), 55 bytes captured (440 bits) on interface 0
    Ethernet II, Src: PacketFo_8c:51:28 (00:23:56:8c:51:28), Dst: CiscoInc_d1:2d:3f (88:5a:92:d1:2d:3f)
    Internet Protocol Version 4, Src: 10.54.22.74, Dst: 10.54.24.171
    Transmission Control Protocol, Src Port: 52160, Dst Port: 80, Seq: 317, Ack: 1, Len: 1
    Source Port: 52160
    Destination Port: 80
    [Stream index: 62]
    [TCP Segment Len: 1]
    Sequence number: 317 (relative sequence number)
    [Next sequence number: 318 (relative sequence number)]
    Acknowledgment number: 1 (relative ack number)
    Header Length: 20 bytes
    Flags: 0x010 (ACK)
    000. …. .... = Reserved: Not set
    ...0 .... .... = Nonce: Not set
    .... 0... .... = Congestion Window Reduced (CWR): 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 size value: 65142
    [Calculated window size: 65142]
    [Window size scaling factor: -2 (no window scaling used)]
    Checksum: 0x437c [unverified]
    [Checksum Status: Unverified]
    Urgent pointer: 0
    [SEQ/ACK analysis]
    [iRTT: 0.005314000 seconds]
    [Bytes in flight: 1]
    [Bytes sent since last PSH flag: 8]
    [TCP Analysis Flags]
    [Expert Info (Note/Sequence): TCP keep-alive segment]
    Data (1 byte)

    0000 00 .

    No. Time Source Destination Protocol Length Info
    1206 52.535115 10.54.22.74 10.54.24.171 TCP 55 [TCP Keep-Alive] 52160→80 [ACK] Seq=317 Ack=1 Win=65142 Len=1

    Frame 1206: 55 bytes on wire (440 bits), 55 bytes captured (440 bits) on interface 0
    Ethernet II, Src: PacketFo_8c:51:28 (00:23:56:8c:51:28), Dst: CiscoInc_d1:2d:3f (88:5a:92:d1:2d:3f)
    Internet Protocol Version 4, Src: 10.54.22.74, Dst: 10.54.24.171
    Transmission Control Protocol, Src Port: 52160, Dst Port: 80, Seq: 317, Ack: 1, Len: 1
    Source Port: 52160
    Destination Port: 80
    [Stream index: 62]
    [TCP Segment Len: 1]
    Sequence number: 317 (relative sequence number)
    [Next sequence number: 318 (relative sequence number)]
    Acknowledgment number: 1 (relative ack number)
    Header Length: 20 bytes
    Flags: 0x010 (ACK)
    000. …. .... = Reserved: Not set
    ...0 .... .... = Nonce: Not set
    .... 0... .... = Congestion Window Reduced (CWR): 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 size value: 65142
    [Calculated window size: 65142]
    [Window size scaling factor: -2 (no window scaling used)]
    Checksum: 0x437c [unverified]
    [Checksum Status: Unverified]
    Urgent pointer: 0
    [SEQ/ACK analysis]
    [iRTT: 0.005314000 seconds]
    [Bytes in flight: 1]
    [Bytes sent since last PSH flag: 9]
    [TCP Analysis Flags]
    [Expert Info (Note/Sequence): TCP keep-alive segment]
    Data (1 byte)

    0000 00 .

    No. Time Source Destination Protocol Length Info
    1223 53.535150 10.54.22.74 10.54.24.171 TCP 55 [TCP Keep-Alive] 52160→80 [ACK] Seq=317 Ack=1 Win=65142 Len=1

    Frame 1223: 55 bytes on wire (440 bits), 55 bytes captured (440 bits) on interface 0
    Ethernet II, Src: PacketFo_8c:51:28 (00:23:56:8c:51:28), Dst: CiscoInc_d1:2d:3f (88:5a:92:d1:2d:3f)
    Internet Protocol Version 4, Src: 10.54.22.74, Dst: 10.54.24.171
    Transmission Control Protocol, Src Port: 52160, Dst Port: 80, Seq: 317, Ack: 1, Len: 1
    Source Port: 52160
    Destination Port: 80
    [Stream index: 62]
    [TCP Segment Len: 1]
    Sequence number: 317 (relative sequence number)
    [Next sequence number: 318 (relative sequence number)]
    Acknowledgment number: 1 (relative ack number)
    Header Length: 20 bytes
    Flags: 0x010 (ACK)
    000. …. .... = Reserved: Not set
    ...0 .... .... = Nonce: Not set
    .... 0... .... = Congestion Window Reduced (CWR): 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 size value: 65142
    [Calculated window size: 65142]
    [Window size scaling factor: -2 (no window scaling used)]
    Checksum: 0x437c [unverified]
    [Checksum Status: Unverified]
    Urgent pointer: 0
    [SEQ/ACK analysis]
    [iRTT: 0.005314000 seconds]
    [Bytes in flight: 1]
    [Bytes sent since last PSH flag: 10]
    [TCP Analysis Flags]
    [Expert Info (Note/Sequence): TCP keep-alive segment]
    Data (1 byte)

    0000 00 .

    No. Time Source Destination Protocol Length Info
    1233 54.535420 10.54.22.74 10.54.24.171 TCP 54 52160→80 [RST, ACK] Seq=318 Ack=1 Win=0 Len=0

    Frame 1233: 54 bytes on wire (432 bits), 54 bytes captured (432 bits) on interface 0
    Ethernet II, Src: PacketFo_8c:51:28 (00:23:56:8c:51:28), Dst: CiscoInc_d1:2d:3f (88:5a:92:d1:2d:3f)
    Internet Protocol Version 4, Src: 10.54.22.74, Dst: 10.54.24.171
    Transmission Control Protocol, Src Port: 52160, Dst Port: 80, Seq: 318, Ack: 1, Len: 0
    Source Port: 52160
    Destination Port: 80
    [Stream index: 62]
    [TCP Segment Len: 0]
    Sequence number: 318 (relative sequence number)
    Acknowledgment number: 1 (relative ack number)
    Header Length: 20 bytes
    Flags: 0x014 (RST, ACK)
    000. …. .... = Reserved: Not set
    ...0 .... .... = Nonce: Not set
    .... 0... .... = Congestion Window Reduced (CWR): Not set
    .... .0.. .... = ECN-Echo: Not set
    .... ..0. .... = Urgent: Not set
    .... ...1 .... = Acknowledgment: Set
    .... .... 0... = Push: Not set
    .... .... .1.. = Reset: Set
    [Expert Info (Warning/Sequence): Connection reset (RST)]
    …. .... ..0. = Syn: Not set
    .... .... ...0 = Fin: Not set
    [TCP Flags: ·······A·R··]
    Window size value: 0
    [Calculated window size: 0]
    [Window size scaling factor: -2 (no window scaling used)]
    Checksum: 0x437b [unverified]
    [Checksum Status: Unverified]
    Urgent pointer: 0

    No. Time Source Destination Protocol Length Info
    1234 54.536699 10.54.22.74 10.54.24.171 TCP 66 52164→80 [SYN] Seq=0 Win=8192 Len=0 MSS=1460 WS=256 SACK_PERM=1

    Frame 1234: 66 bytes on wire (528 bits), 66 bytes captured (528 bits) on interface 0
    Ethernet II, Src: PacketFo_8c:51:28 (00:23:56:8c:51:28), Dst: CiscoInc_d1:2d:3f (88:5a:92:d1:2d:3f)
    Internet Protocol Version 4, Src: 10.54.22.74, Dst: 10.54.24.171
    Transmission Control Protocol, Src Port: 52164, Dst Port: 80, Seq: 0, Len: 0
    Source Port: 52164
    Destination Port: 80
    [Stream index: 69]
    [TCP Segment Len: 0]
    Sequence number: 0 (relative sequence number)
    Acknowledgment number: 0
    Header Length: 32 bytes
    Flags: 0x002 (SYN)
    000. …. .... = Reserved: Not set
    ...0 .... .... = Nonce: Not set
    .... 0... .... = Congestion Window Reduced (CWR): Not set
    .... .0.. .... = ECN-Echo: Not set
    .... ..0. .... = Urgent: Not set
    .... ...0 .... = Acknowledgment: Not set
    .... .... 0... = Push: Not set
    .... .... .0.. = Reset: Not set
    .... .... ..1. = Syn: Set
    [Expert Info (Chat/Sequence): Connection establish request (SYN): server port 80]
    …. .... ...0 = Fin: Not set
    [TCP Flags: ··········S·]
    Window size value: 8192
    [Calculated window size: 8192]
    Checksum: 0x4387 [unverified]
    [Checksum Status: Unverified]
    Urgent pointer: 0
    Options: (12 bytes), Maximum segment size, No-Operation (NOP), Window scale, No-Operation (NOP), No-Operation (NOP), SACK permitted

    No. Time Source Destination Protocol Length Info
    1237 54.538901 10.54.22.74 10.54.24.171 TCP 54 52164→80 [ACK] Seq=1 Ack=1 Win=65142 Len=0

    Frame 1237: 54 bytes on wire (432 bits), 54 bytes captured (432 bits) on interface 0
    Ethernet II, Src: PacketFo_8c:51:28 (00:23:56:8c:51:28), Dst: CiscoInc_d1:2d:3f (88:5a:92:d1:2d:3f)
    Internet Protocol Version 4, Src: 10.54.22.74, Dst: 10.54.24.171
    Transmission Control Protocol, Src Port: 52164, Dst Port: 80, Seq: 1, Ack: 1, Len: 0
    Source Port: 52164
    Destination Port: 80
    [Stream index: 69]
    [TCP Segment Len: 0]
    Sequence number: 1 (relative sequence number)
    Acknowledgment number: 1 (relative ack number)
    Header Length: 20 bytes
    Flags: 0x010 (ACK)
    000. …. .... = Reserved: Not set
    ...0 .... .... = Nonce: Not set
    .... 0... .... = Congestion Window Reduced (CWR): 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 size value: 65142
    [Calculated window size: 65142]
    [Window size scaling factor: -2 (no window scaling used)]
    Checksum: 0x437b [unverified]
    [Checksum Status: Unverified]
    Urgent pointer: 0
    [SEQ/ACK analysis]
    [This is an ACK to the segment in frame: 1236]
    [The RTT to ACK the segment was: 0.000112000 seconds]
    [iRTT: 0.002202000 seconds]

    No. Time Source Destination Protocol Length Info
    1238 54.539171 10.54.22.74 10.54.24.171 HTTP 371 GET / HTTP/1.1

    Frame 1238: 371 bytes on wire (2968 bits), 371 bytes captured (2968 bits) on interface 0
    Ethernet II, Src: PacketFo_8c:51:28 (00:23:56:8c:51:28), Dst: CiscoInc_d1:2d:3f (88:5a:92:d1:2d:3f)
    Internet Protocol Version 4, Src: 10.54.22.74, Dst: 10.54.24.171
    Transmission Control Protocol, Src Port: 52164, Dst Port: 80, Seq: 1, Ack: 1, Len: 317
    Source Port: 52164
    Destination Port: 80
    [Stream index: 69]
    [TCP Segment Len: 317]
    Sequence number: 1 (relative sequence number)
    [Next sequence number: 318 (relative sequence number)]
    Acknowledgment number: 1 (relative ack number)
    Header Length: 20 bytes
    Flags: 0x018 (PSH, ACK)
    000. …. .... = Reserved: Not set
    ...0 .... .... = Nonce: Not set
    .... 0... .... = Congestion Window Reduced (CWR): Not set
    .... .0.. .... = ECN-Echo: Not set
    .... ..0. .... = Urgent: Not set
    .... ...1 .... = Acknowledgment: Set
    .... .... 1... = Push: Set
    .... .... .0.. = Reset: Not set
    .... .... ..0. = Syn: Not set
    .... .... ...0 = Fin: Not set
    [TCP Flags: ·······AP···]
    Window size value: 65142
    [Calculated window size: 65142]
    [Window size scaling factor: -2 (no window scaling used)]
    Checksum: 0x44b8 [unverified]
    [Checksum Status: Unverified]
    Urgent pointer: 0
    [SEQ/ACK analysis]
    [iRTT: 0.002202000 seconds]
    [Bytes in flight: 317]
    [Bytes sent since last PSH flag: 317]
    Hypertext Transfer Protocol
    GET / HTTP/1.1\r\n
    [Expert Info (Chat/Sequence): GET / HTTP/1.1\r\n]
    Request Method: GET
    Request URI: /
    Request Version: HTTP/1.1
    Host: 10.54.24.171\r\n
    User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:49.0) Gecko/20100101 Firefox/49.0\r\n
    Accept: text/html,application/xhtml+xml,application/xml;q=0.9,/;q=0.8\r\n
    Accept-Language: en-US,en;q=0.5\r\n
    Accept-Encoding: gzip, deflate\r\n
    Connection: keep-alive\r\n
    Upgrade-Insecure-Requests: 1\r\n
    \r\n
    [Full request URI: [url]http://10.54.24.171/]
    [HTTP request 1/1]

    No. Time Source Destination Protocol Length Info
    1309 64.625354 10.54.22.74 10.54.24.171 TCP 55 [TCP Keep-Alive] 52164→80 [ACK] Seq=317 Ack=1 Win=65142 Len=1

    Frame 1309: 55 bytes on wire (440 bits), 55 bytes captured (440 bits) on interface 0
    Ethernet II, Src: PacketFo_8c:51:28 (00:23:56:8c:51:28), Dst: CiscoInc_d1:2d:3f (88:5a:92:d1:2d:3f)
    Internet Protocol Version 4, Src: 10.54.22.74, Dst: 10.54.24.171
    Transmission Control Protocol, Src Port: 52164, Dst Port: 80, Seq: 317, Ack: 1, Len: 1
    Source Port: 52164
    Destination Port: 80
    [Stream index: 69]
    [TCP Segment Len: 1]
    Sequence number: 317 (relative sequence number)
    [Next sequence number: 318 (relative sequence number)]
    Acknowledgment number: 1 (relative ack number)
    Header Length: 20 bytes
    Flags: 0x010 (ACK)
    000. …. .... = Reserved: Not set
    ...0 .... .... = Nonce: Not set
    .... 0... .... = Congestion Window Reduced (CWR): 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 size value: 65142
    [Calculated window size: 65142]
    [Window size scaling factor: -2 (no window scaling used)]
    Checksum: 0x437c [unverified]
    [Checksum Status: Unverified]
    Urgent pointer: 0
    [SEQ/ACK analysis]
    [iRTT: 0.002202000 seconds]
    [Bytes in flight: 1]
    [Bytes sent since last PSH flag: 1]
    [TCP Analysis Flags]
    [Expert Info (Note/Sequence): TCP keep-alive segment]
    Data (1 byte)

    0000 00 .

    No. Time Source Destination Protocol Length Info
    1379 74.721393 10.54.22.74 10.54.24.171 TCP 55 [TCP Keep-Alive] 52164→80 [ACK] Seq=317 Ack=1 Win=65142 Len=1

    Frame 1379: 55 bytes on wire (440 bits), 55 bytes captured (440 bits) on interface 0
    Ethernet II, Src: PacketFo_8c:51:28 (00:23:56:8c:51:28), Dst: CiscoInc_d1:2d:3f (88:5a:92:d1:2d:3f)
    Internet Protocol Version 4, Src: 10.54.22.74, Dst: 10.54.24.171
    Transmission Control Protocol, Src Port: 52164, Dst Port: 80, Seq: 317, Ack: 1, Len: 1
    Source Port: 52164
    Destination Port: 80
    [Stream index: 69]
    [TCP Segment Len: 1]
    Sequence number: 317 (relative sequence number)
    [Next sequence number: 318 (relative sequence number)]
    Acknowledgment number: 1 (relative ack number)
    Header Length: 20 bytes
    Flags: 0x010 (ACK)
    000. …. .... = Reserved: Not set
    ...0 .... .... = Nonce: Not set
    .... 0... .... = Congestion Window Reduced (CWR): 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 size value: 65142
    [Calculated window size: 65142]
    [Window size scaling factor: -2 (no window scaling used)]
    Checksum: 0x437c [unverified]
    [Checksum Status: Unverified]
    Urgent pointer: 0
    [SEQ/ACK analysis]
    [iRTT: 0.002202000 seconds]
    [Bytes in flight: 1]
    [Bytes sent since last PSH flag: 2]
    [TCP Analysis Flags]
    [Expert Info (Note/Sequence): TCP keep-alive segment]
    Data (1 byte)

    0000 00 .

    No. Time Source Destination Protocol Length Info
    1465 84.757394 10.54.22.74 10.54.24.171 TCP 55 [TCP Keep-Alive] 52164→80 [ACK] Seq=317 Ack=1 Win=65142 Len=1

    Frame 1465: 55 bytes on wire (440 bits), 55 bytes captured (440 bits) on interface 0
    Ethernet II, Src: PacketFo_8c:51:28 (00:23:56:8c:51:28), Dst: CiscoInc_d1:2d:3f (88:5a:92:d1:2d:3f)
    Internet Protocol Version 4, Src: 10.54.22.74, Dst: 10.54.24.171
    Transmission Control Protocol, Src Port: 52164, Dst Port: 80, Seq: 317, Ack: 1, Len: 1
    Source Port: 52164
    Destination Port: 80
    [Stream index: 69]
    [TCP Segment Len: 1]
    Sequence number: 317 (relative sequence number)
    [Next sequence number: 318 (relative sequence number)]
    Acknowledgment number: 1 (relative ack number)
    Header Length: 20 bytes
    Flags: 0x010 (ACK)
    000. …. .... = Reserved: Not set
    ...0 .... .... = Nonce: Not set
    .... 0... .... = Congestion Window Reduced (CWR): 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 size value: 65142
    [Calculated window size: 65142]
    [Window size scaling factor: -2 (no window scaling used)]
    Checksum: 0x437c [unverified]
    [Checksum Status: Unverified]
    Urgent pointer: 0
    [SEQ/ACK analysis]
    [iRTT: 0.002202000 seconds]
    [Bytes in flight: 1]
    [Bytes sent since last PSH flag: 3]
    [TCP Analysis Flags]
    [Expert Info (Note/Sequence): TCP keep-alive segment]
    Data (1 byte)

    0000 00 .

    No. Time Source Destination Protocol Length Info
    1643 94.792610 10.54.22.74 10.54.24.171 TCP 55 [TCP Keep-Alive] 52164→80 [ACK] Seq=317 Ack=1 Win=65142 Len=1

    Frame 1643: 55 bytes on wire (440 bits), 55 bytes captured (440 bits) on interface 0
    Ethernet II, Src: PacketFo_8c:51:28 (00:23:56:8c:51:28), Dst: CiscoInc_d1:2d:3f (88:5a:92:d1:2d:3f)
    Internet Protocol Version 4, Src: 10.54.22.74, Dst: 10.54.24.171
    Transmission Control Protocol, Src Port: 52164, Dst Port: 80, Seq: 317, Ack: 1, Len: 1
    Source Port: 52164
    Destination Port: 80
    [Stream index: 69]
    [TCP Segment Len: 1]
    Sequence number: 317 (relative sequence number)
    [Next sequence number: 318 (relative sequence number)]
    Acknowledgment number: 1 (relative ack number)
    Header Length: 20 bytes
    Flags: 0x010 (ACK)
    000. …. .... = Reserved: Not set
    ...0 .... .... = Nonce: Not set
    .... 0... .... = Congestion Window Reduced (CWR): 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 size value: 65142
    [Calculated window size: 65142]
    [Window size scaling factor: -2 (no window scaling used)]
    Checksum: 0x437c [unverified]
    [Checksum Status: Unverified]
    Urgent pointer: 0
    [SEQ/ACK analysis]
    [iRTT: 0.002202000 seconds]
    [Bytes in flight: 1]
    [Bytes sent since last PSH flag: 4]
    [TCP Analysis Flags]
    [Expert Info (Note/Sequence): TCP keep-alive segment]
    Data (1 byte)

    0000 00 .

    No. Time Source Destination Protocol Length Info
    2098 104.828219 10.54.22.74 10.54.24.171 TCP 55 [TCP Keep-Alive] 52164→80 [ACK] Seq=317 Ack=1 Win=65142 Len=1

    Frame 2098: 55 bytes on wire (440 bits), 55 bytes captured (440 bits) on interface 0
    Ethernet II, Src: PacketFo_8c:51:28 (00:23:56:8c:51:28), Dst: CiscoInc_d1:2d:3f (88:5a:92:d1:2d:3f)
    Internet Protocol Version 4, Src: 10.54.22.74, Dst: 10.54.24.171
    Transmission Control Protocol, Src Port: 52164, Dst Port: 80, Seq: 317, Ack: 1, Len: 1
    Source Port: 52164
    Destination Port: 80
    [Stream index: 69]
    [TCP Segment Len: 1]
    Sequence number: 317 (relative sequence number)
    [Next sequence number: 318 (relative sequence number)]
    Acknowledgment number: 1 (relative ack number)
    Header Length: 20 bytes
    Flags: 0x010 (ACK)
    000. …. .... = Reserved: Not set
    ...0 .... .... = Nonce: Not set
    .... 0... .... = Congestion Window Reduced (CWR): 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 size value: 65142
    [Calculated window size: 65142]
    [Window size scaling factor: -2 (no window scaling used)]
    Checksum: 0x437c [unverified]
    [Checksum Status: Unverified]
    Urgent pointer: 0
    [SEQ/ACK analysis]
    [iRTT: 0.002202000 seconds]
    [Bytes in flight: 1]
    [Bytes sent since last PSH flag: 5]
    [TCP Analysis Flags]
    [Expert Info (Note/Sequence): TCP keep-alive segment]
    Data (1 byte)

    0000 00 .

    No. Time Source Destination Protocol Length Info
    2179 114.861845 10.54.22.74 10.54.24.171 TCP 55 [TCP Keep-Alive] 52164→80 [ACK] Seq=317 Ack=1 Win=65142 Len=1

    Frame 2179: 55 bytes on wire (440 bits), 55 bytes captured (440 bits) on interface 0
    Ethernet II, Src: PacketFo_8c:51:28 (00:23:56:8c:51:28), Dst: CiscoInc_d1:2d:3f (88:5a:92:d1:2d:3f)
    Internet Protocol Version 4, Src: 10.54.22.74, Dst: 10.54.24.171
    Transmission Control Protocol, Src Port: 52164, Dst Port: 80, Seq: 317, Ack: 1, Len: 1
    Source Port: 52164
    Destination Port: 80
    [Stream index: 69]
    [TCP Segment Len: 1]
    Sequence number: 317 (relative sequence number)
    [Next sequence number: 318 (relative sequence number)]
    Acknowledgment number: 1 (relative ack number)
    Header Length: 20 bytes
    Flags: 0x010 (ACK)
    000. …. .... = Reserved: Not set
    ...0 .... .... = Nonce: Not set
    .... 0... .... = Congestion Window Reduced (CWR): 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 size value: 65142
    [Calculated window size: 65142]
    [Window size scaling factor: -2 (no window scaling used)]
    Checksum: 0x437c [unverified]
    [Checksum Status: Unverified]
    Urgent pointer: 0
    [SEQ/ACK analysis]
    [iRTT: 0.002202000 seconds]
    [Bytes in flight: 1]
    [Bytes sent since last PSH flag: 6]
    [TCP Analysis Flags]
    [Expert Info (Note/Sequence): TCP keep-alive segment]
    Data (1 byte)

    0000 00 .

    No. Time Source Destination Protocol Length Info
    2241 124.896686 10.54.22.74 10.54.24.171 TCP 55 [TCP Keep-Alive] 52164→80 [ACK] Seq=317 Ack=1 Win=65142 Len=1

    Frame 2241: 55 bytes on wire (440 bits), 55 bytes captured (440 bits) on interface 0
    Ethernet II, Src: PacketFo_8c:51:28 (00:23:56:8c:51:28), Dst: CiscoInc_d1:2d:3f (88:5a:92:d1:2d:3f)
    Internet Protocol Version 4, Src: 10.54.22.74, Dst: 10.54.24.171
    Transmission Control Protocol, Src Port: 52164, Dst Port: 80, Seq: 317, Ack: 1, Len: 1
    Source Port: 52164
    Destination Port: 80
    [Stream index: 69]
    [TCP Segment Len: 1]
    Sequence number: 317 (relative sequence number)
    [Next sequence number: 318 (relative sequence number)]
    Acknowledgment number: 1 (relative ack number)
    Header Length: 20 bytes
    Flags: 0x010 (ACK)
    000. …. .... = Reserved: Not set
    ...0 .... .... = Nonce: Not set
    .... 0... .... = Congestion Window Reduced (CWR): 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 size value: 65142
    [Calculated window size: 65142]
    [Window size scaling factor: -2 (no window scaling used)]
    Checksum: 0x437c [unverified]
    [Checksum Status: Unverified]
    Urgent pointer: 0
    [SEQ/ACK analysis]
    [iRTT: 0.002202000 seconds]
    [Bytes in flight: 1]
    [Bytes sent since last PSH flag: 7]
    [TCP Analysis Flags]
    [Expert Info (Note/Sequence): TCP keep-alive segment]
    Data (1 byte)

    0000 00


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