Packet trace RTS/CTS

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Correct sequence: ZCOMAX fw 1.2.11P, mode B+G

ping -l 1300 IP_OF_MIKROTIK_AP_os_ver_3.28

No. Time Source Destination Protocol Info

69 0.663977 Cc&CTech_58:d7:da (TA) WistronN_37:6e:23 (RA) IEEE 802.11 Request-to-send, Flags=........C


Frame 69 (52 bytes on wire, 52 bytes captured)

Radiotap Header v0, Length 32

IEEE 802.11 Request-to-send, Flags: ........C

Type/Subtype: Request-to-send (0x1b)

Frame Control: 0x00B4 (Normal)

Version: 0

Type: Control frame (1)

Subtype: 11

Flags: 0x0

Duration: 1620

Receiver address: WistronN_37:6e:23 (00:0b:6b:37:6e:23)

Transmitter address: Cc&CTech_58:d7:da (00:02:72:58:d7:da)

Frame check sequence: 0xa35c4901 [correct]


No. Time Source Destination Protocol Info

70 0.664184 Cc&CTech_58:d7:da (RA) IEEE 802.11 Clear-to-send, Flags=........C


Frame 70 (46 bytes on wire, 46 bytes captured)

Radiotap Header v0, Length 32

IEEE 802.11 Clear-to-send, Flags: ........C

Type/Subtype: Clear-to-send (0x1c)

Frame Control: 0x00C4 (Normal)

Version: 0

Type: Control frame (1)

Subtype: 12

Flags: 0x0

Duration: 1408

Receiver address: Cc&CTech_58:d7:da (00:02:72:58:d7:da)

Frame check sequence: 0xbd40fbe2 [correct]


No. Time Source Destination Protocol Info

71 0.665369 10.143.19.46 10.143.19.1 ICMP Echo (ping) request


Frame 71 (1396 bytes on wire, 1396 bytes captured)

Radiotap Header v0, Length 32

IEEE 802.11 Data, Flags: .......TC

Type/Subtype: Data (0x20)

Frame Control: 0x0108 (Normal)

Version: 0

Type: Data frame (2)

Subtype: 0

Flags: 0x1

Duration: 213

BSS Id: WistronN_37:6e:23 (00:0b:6b:37:6e:23)

Source address: Cc&CTech_58:d7:da (00:02:72:58:d7:da)

Destination address: WistronN_37:6e:23 (00:0b:6b:37:6e:23)

Fragment number: 0

Sequence number: 1221

Frame check sequence: 0xf386c0ff [correct]

Logical-Link Control

DSAP: SNAP (0xaa)

IG Bit: Individual

SSAP: SNAP (0xaa)

CR Bit: Command

Control field: U, func=UI (0x03)

000. 00.. = Command: Unnumbered Information (0x00)

.... ..11 = Frame type: Unnumbered frame (0x03)

Organization Code: Encapsulated Ethernet (0x000000)

Type: IP (0x0800)

Internet Protocol, Src: 10.143.19.46 (10.143.19.46), Dst: 10.143.19.1 (10.143.19.1)

Version: 4

Header length: 20 bytes

Differentiated Services Field: 0x00 (DSCP 0x00: Default; ECN: 0x00)

0000 00.. = Differentiated Services Codepoint: Default (0x00)

.... ..0. = ECN-Capable Transport (ECT): 0

.... ...0 = ECN-CE: 0

Total Length: 1328

Identification: 0x0328 (808)

Flags: 0x00

0... = Reserved bit: Not set

.0.. = Don't fragment: Not set

..0. = More fragments: Not set

Fragment offset: 0

Time to live: 128

Protocol: ICMP (0x01)

Header checksum: 0xf758 [correct]

[Good: True]

[Bad : False]

Source: 10.143.19.46 (10.143.19.46)

Destination: 10.143.19.1 (10.143.19.1)

Internet Control Message Protocol

Type: 8 (Echo (ping) request)

Code: 0 ()

Checksum: 0xe1c8 [correct]

Identifier: 0x0200

Sequence number: 60681 (0xed09)

Data (1300 bytes)


0000 61 62 63 64 65 66 67 68 69 6a 6b 6c 6d 6e 6f 70 abcdefghijklmnop

0010 71 72 73 74 75 76 77 61 62 63 64 65 66 67 68 69 qrstuvwabcdefghi

...

(etc)

...

0510 69 6a 6b 6c ijkl

Data: 6162636465666768696A6B6C6D6E6F707172737475767761...


No. Time Source Destination Protocol Info

72 0.665616 Cc&CTech_58:d7:da (RA) IEEE 802.11 Acknowledgement, Flags=........C


Frame 72 (46 bytes on wire, 46 bytes captured)

Radiotap Header v0, Length 32

IEEE 802.11 Acknowledgement, Flags: ........C

Type/Subtype: Acknowledgement (0x1d)

Frame Control: 0x00D4 (Normal)

Version: 0

Type: Control frame (1)

Subtype: 13

Flags: 0x0

Duration: 0

Receiver address: Cc&CTech_58:d7:da (00:02:72:58:d7:da)

Frame check sequence: 0x286b56c4 [correct]


No. Time Source Destination Protocol Info

74 0.667759 10.143.19.1 10.143.19.46 ICMP Echo (ping) reply


Frame 74 (1396 bytes on wire, 1396 bytes captured)

Radiotap Header v0, Length 32

IEEE 802.11 Data, Flags: ......F.C

Type/Subtype: Data (0x20)

Frame Control: 0x0208 (Normal)

Version: 0

Type: Data frame (2)

Subtype: 0

Flags: 0x2

Duration: 117

Destination address: Cc&CTech_58:d7:da (00:02:72:58:d7:da)

BSS Id: WistronN_37:6e:23 (00:0b:6b:37:6e:23)

Source address: WistronN_37:6e:23 (00:0b:6b:37:6e:23)

Fragment number: 0

Sequence number: 3302

Frame check sequence: 0xb2bf4195 [correct]

Logical-Link Control

DSAP: SNAP (0xaa)

IG Bit: Individual

SSAP: SNAP (0xaa)

CR Bit: Command

Control field: U, func=UI (0x03)

000. 00.. = Command: Unnumbered Information (0x00)

.... ..11 = Frame type: Unnumbered frame (0x03)

Organization Code: Encapsulated Ethernet (0x000000)

Type: IP (0x0800)

Internet Protocol, Src: 10.143.19.1 (10.143.19.1), Dst: 10.143.19.46 (10.143.19.46)

Version: 4

Header length: 20 bytes

Differentiated Services Field: 0x00 (DSCP 0x00: Default; ECN: 0x00)

0000 00.. = Differentiated Services Codepoint: Default (0x00)

.... ..0. = ECN-Capable Transport (ECT): 0

.... ...0 = ECN-CE: 0

Total Length: 1328

Identification: 0x659f (26015)

Flags: 0x00

0... = Reserved bit: Not set

.0.. = Don't fragment: Not set

..0. = More fragments: Not set

Fragment offset: 0

Time to live: 64

Protocol: ICMP (0x01)

Header checksum: 0xd4e1 [correct]

[Good: True]

[Bad : False]

Source: 10.143.19.1 (10.143.19.1)

Destination: 10.143.19.46 (10.143.19.46)

Internet Control Message Protocol

Type: 0 (Echo (ping) reply)

Code: 0 ()

Checksum: 0xe9c8 [correct]

Identifier: 0x0200

Sequence number: 60681 (0xed09)

Data (1300 bytes)


0000 61 62 63 64 65 66 67 68 69 6a 6b 6c 6d 6e 6f 70 abcdefghijklmnop

0010 71 72 73 74 75 76 77 61 62 63 64 65 66 67 68 69 qrstuvwabcdefghi

...

(etc)

...

0510 69 6a 6b 6c ijkl

Data: 6162636465666768696A6B6C6D6E6F707172737475767761...


No. Time Source Destination Protocol Info

75 0.667830 WistronN_37:6e:23 (RA) IEEE 802.11 Acknowledgement, Flags=........C


Frame 75 (46 bytes on wire, 46 bytes captured)

Radiotap Header v0, Length 32

IEEE 802.11 Acknowledgement, Flags: ........C

Type/Subtype: Acknowledgement (0x1d)

Frame Control: 0x00D4 (Normal)

Version: 0

Type: Control frame (1)

Subtype: 13

Flags: 0x0

Duration: 0

Receiver address: WistronN_37:6e:23 (00:0b:6b:37:6e:23)

Frame check sequence: 0x18c2ba56 [correct]

Correct sequence: CC&C, fw ZCOMAX 1.4.7P, mod B-only

ping -l 1300 IP_OF_MIKROTIK_AP_os_ver_3.28 No. Time Source Destination Protocol Info

3437 5.087986 Cc&CTech_7e:41:ef (TA) WistronN_37:6e:23 (RA) IEEE 802.11 Request-to-send, Flags=........C


Frame 3437 (52 bytes on wire, 52 bytes captured)

Radiotap Header v0, Length 32

IEEE 802.11 Request-to-send, Flags: ........C

Type/Subtype: Request-to-send (0x1b)

Frame Control: 0x00B4 (Normal)

Duration: 1620

Receiver address: WistronN_37:6e:23 (00:0b:6b:37:6e:23)

Transmitter address: Cc&CTech_7e:41:ef (00:02:72:7e:41:ef)

Frame check sequence: 0x4e8f214c [correct]


No. Time Source Destination Protocol Info

3438 5.088201 Cc&CTech_7e:41:ef (RA) IEEE 802.11 Clear-to-send, Flags=........C


Frame 3438 (46 bytes on wire, 46 bytes captured)

Radiotap Header v0, Length 32

IEEE 802.11 Clear-to-send, Flags: ........C

Type/Subtype: Clear-to-send (0x1c)

Frame Control: 0x00C4 (Normal)

Duration: 1408

Receiver address: Cc&CTech_7e:41:ef (00:02:72:7e:41:ef)

Frame check sequence: 0x509393af [correct]


No. Time Source Destination Protocol Info

3439 5.089401 10.143.19.2 10.143.19.1 ICMP Echo (ping) request


Frame 3439 (1396 bytes on wire, 1396 bytes captured)

Radiotap Header v0, Length 32

IEEE 802.11 Data, Flags: .......TC

Type/Subtype: Data (0x20)

Frame Control: 0x0108 (Normal)

Duration: 213

BSS Id: WistronN_37:6e:23 (00:0b:6b:37:6e:23)

Source address: Cc&CTech_7e:41:ef (00:02:72:7e:41:ef)

Destination address: WistronN_37:6e:23 (00:0b:6b:37:6e:23)

Fragment number: 0

Sequence number: 131

Frame check sequence: 0x195841b8 [correct]

Logical-Link Control

Internet Protocol, Src: 10.143.19.2 (10.143.19.2), Dst: 10.143.19.1 (10.143.19.1)

Internet Control Message Protocol


No. Time Source Destination Protocol Info

3440 5.089618 Cc&CTech_7e:41:ef (RA) IEEE 802.11 Acknowledgement, Flags=........C


Frame 3440 (46 bytes on wire, 46 bytes captured)

Radiotap Header v0, Length 32

IEEE 802.11 Acknowledgement, Flags: ........C

Type/Subtype: Acknowledgement (0x1d)

Frame Control: 0x00D4 (Normal)

Duration: 0

Receiver address: Cc&CTech_7e:41:ef (00:02:72:7e:41:ef)

Frame check sequence: 0xc5b83e89 [correct]


No. Time Source Destination Protocol Info

3442 5.092430 10.143.19.1 10.143.19.2 ICMP Echo (ping) reply


Frame 3442 (1396 bytes on wire, 1396 bytes captured)

Radiotap Header v0, Length 32

IEEE 802.11 Data, Flags: ......F.C

Type/Subtype: Data (0x20)

Frame Control: 0x0208 (Normal)

Duration: 117

Destination address: Cc&CTech_7e:41:ef (00:02:72:7e:41:ef)

BSS Id: WistronN_37:6e:23 (00:0b:6b:37:6e:23)

Source address: WistronN_37:6e:23 (00:0b:6b:37:6e:23)

Fragment number: 0

Sequence number: 1353

Frame check sequence: 0x6accf506 [correct]

Logical-Link Control

Internet Protocol, Src: 10.143.19.1 (10.143.19.1), Dst: 10.143.19.2 (10.143.19.2)

Internet Control Message Protocol


No. Time Source Destination Protocol Info

3443 5.092504 WistronN_37:6e:23 (RA) IEEE 802.11 Acknowledgement, Flags=........C


Frame 3443 (46 bytes on wire, 46 bytes captured)

Radiotap Header v0, Length 32

IEEE 802.11 Acknowledgement, Flags: ........C

Type/Subtype: Acknowledgement (0x1d)

Frame Control: 0x00D4 (Normal)

Duration: 0

Receiver address: WistronN_37:6e:23 (00:0b:6b:37:6e:23)

Frame check sequence: 0x18c2ba56 [correct]

Incorrect sequence: CC&C, fw ZCOMAX 1.4.7P, mode B+G

ping -l 1300 IP_OF_MIKROTIK_AP_os_ver_3.28

No. Time Source Destination Protocol Info

5571 6.114013 Cc&CTech_7e:41:ef (TA) WistronN_37:6e:23 (RA) IEEE 802.11 Request-to-send, Flags=........C

5573 6.115239 Cc&CTech_7e:41:ef (TA) WistronN_37:6e:23 (RA) IEEE 802.11 Request-to-send, Flags=........C

5574 6.115964 Cc&CTech_7e:41:ef (TA) WistronN_37:6e:23 (RA) IEEE 802.11 Request-to-send, Flags=........C

5575 6.117612 Cc&CTech_7e:41:ef (TA) WistronN_37:6e:23 (RA) IEEE 802.11 Request-to-send, Flags=........C

5582 6.124596 Cc&CTech_7e:41:ef (TA) WistronN_37:6e:23 (RA) IEEE 802.11 Request-to-send, Flags=........C

5605 6.142719 Cc&CTech_7e:41:ef (TA) WistronN_37:6e:23 (RA) IEEE 802.11 Request-to-send, Flags=........C


Example with details:

No. Time Source Destination Protocol Info

842 0.848874 Cc&CTech_7e:41:ef (TA) WistronN_37:6e:23 (RA) IEEE 802.11 Request-to-send, Flags=........C


Frame 842 (52 bytes on wire, 52 bytes captured)

Radiotap Header v0, Length 32

Header revision: 0

Header pad: 0

Header length: 32

Present flags: 0x0000486f

MAC timestamp: 15783968372

Flags: 0x10

Data Rate: 24.0 Mb/s

Channel frequency: 2467 [BG 12]

Channel type: 802.11g (pure-g) (0x00c0)

SSI Signal: -48 dBm

SSI Noise: -95 dBm

Antenna: 1

802.11 FCS: 0x00000000 [incorrect, should be 0x4e8f214c]

IEEE 802.11 Request-to-send, Flags: ........C

Type/Subtype: Request-to-send (0x1b)

Frame Control: 0x00B4 (Normal)

Duration: 1620

Receiver address: WistronN_37:6e:23 (00:0b:6b:37:6e:23)

Transmitter address: Cc&CTech_7e:41:ef (00:02:72:7e:41:ef)

Frame check sequence: 0x4e8f214c [correct]

Correct sequence: ZCOMAX fw 1.2.11P, mode B+G

ping -l 1300 IP_OF_MIKROTIK_AP_os_ver_3.28

No. Time Source Destination Protocol Info

824 0.813132 Cc&CTech_58:d7:da (TA) WistronN_37:6e:23 (RA) IEEE 802.11 Request-to-send, Flags=........C


Frame 824 (52 bytes on wire, 52 bytes captured)

Radiotap Header v0, Length 32

Header revision: 0

Header pad: 0

Header length: 32

Present flags: 0x0000486f

MAC timestamp: 15783932662

Flags: 0x10

Data Rate: 11.0 Mb/s

Channel frequency: 2467 [BG 12]

Channel type: 802.11b (0x00a0)

SSI Signal: -48 dBm

SSI Noise: -95 dBm

Antenna: 2

802.11 FCS: 0x00000000 [incorrect, should be 0xa35c4901]

IEEE 802.11 Request-to-send, Flags: ........C

Type/Subtype: Request-to-send (0x1b)

Frame Control: 0x00B4 (Normal)

Duration: 1620

Receiver address: WistronN_37:6e:23 (00:0b:6b:37:6e:23)

Transmitter address: Cc&CTech_58:d7:da (00:02:72:58:d7:da)

Frame check sequence: 0xa35c4901 [correct]