Zobrazení zdroje stránky Packet trace RTS/CTS

= 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) 

<nowiki>Frame check sequence: 0xa35c4901 [correct] </nowiki>


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) 

<nowiki>Frame check sequence: 0xbd40fbe2 [correct] </nowiki>


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 

<nowiki>Frame check sequence: 0xf386c0ff [correct] </nowiki>

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) 

<nowiki>Header checksum: 0xf758 [correct] </nowiki>

<nowiki>[Good: True] </nowiki>

<nowiki>[Bad : False] </nowiki>

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 () 

<nowiki>Checksum: 0xe1c8 [correct] </nowiki>

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) 

<nowiki>Frame check sequence: 0x286b56c4 [correct] </nowiki>


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 

<nowiki>Frame check sequence: 0xb2bf4195 [correct] </nowiki>

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) 

<nowiki>Header checksum: 0xd4e1 [correct] </nowiki>

<nowiki>[Good: True] </nowiki>

<nowiki>[Bad : False] </nowiki>

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 () 

<nowiki>Checksum: 0xe9c8 [correct] </nowiki>

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) 

<nowiki>Frame check sequence: 0x18c2ba56 [correct]</nowiki>

= 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) 

<nowiki>Frame check sequence: 0x4e8f214c [correct] </nowiki>


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) 

<nowiki>Frame check sequence: 0x509393af [correct] </nowiki>


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 

<nowiki>Frame check sequence: 0x195841b8 [correct] </nowiki>

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) 

<nowiki>Frame check sequence: 0xc5b83e89 [correct] </nowiki>


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 

<nowiki>Frame check sequence: 0x6accf506 [correct] </nowiki>

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) 

<nowiki>Frame check sequence: 0x18c2ba56 [correct]</nowiki>

= 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 '''

'''<nowiki>Channel frequency: 2467 [BG 12] </nowiki>'''

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

SSI Signal: -48 dBm 

SSI Noise: -95 dBm 

Antenna: 1 

<nowiki>802.11 FCS: 0x00000000 [incorrect, should be 0x4e8f214c] </nowiki>

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''') 

<nowiki>Frame check sequence: 0x4e8f214c [correct]</nowiki>

= 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 '''

'''<nowiki>Channel frequency: 2467 [BG 12] </nowiki>'''

'''Channel type: 802.11b (0x00a0) '''

SSI Signal: -48 dBm 

SSI Noise: -95 dBm 

Antenna: 2 

<nowiki>802.11 FCS: 0x00000000 [incorrect, should be 0xa35c4901] </nowiki>

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) 

<nowiki>Frame check sequence: 0xa35c4901 [correct]</nowiki>