Packet trace RTS/CTS: Porovnání verzí
| Řádek 385: | Řádek 385: | ||
'''ping -l 1300 IP_OF_MIKROTIK_AP_os_ver_3.28''' | |||
No. Time Source Destination Protocol Info | No. Time Source Destination Protocol Info | ||
| Řádek 546: | Řádek 546: | ||
<nowiki>Frame check sequence: 0x18c2ba56 [correct]</nowiki> | <nowiki>Frame check sequence: 0x18c2ba56 [correct]</nowiki> | ||
= Incorrect sequence = | = Incorrect sequence = | ||
Verze z 27. 11. 2009, 23:24
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]
