Bonjour,
Merci de la réponse. Plusieurs choses à ce propos :
- un upload en interne à partir de mon serveur vers un xp ou un 2003 me donnes des débits proche de 100Mb
- le pb est récurrent quelque soit le serveur en face (il m'est par contre difficile de donner l'adresse du FTP qui est chez un presta externe), mais ce qui est sur, c'est que avec du XP, l'upload est nickel
- j'ai installé Wireshark et j'ai effetcivement des erreurs au niveau de l'upload que j'ai un peu de mal a déchiffrer. Voici une partie des logs ou certaines lignes ont indiquent ces problèmes :
No. Time Source Destination Protocol Info
40 0.145002 XXX.XXX.XXX.XXX 192.168.1.10 TCP [TCP Dup ACK 39#1] ftp-data > ctisystemmsg [ACK] Seq=1 Ack=11777 Win=29040 Len=0
Frame 40 (60 bytes on wire, 60 bytes captured)
Ethernet II, Src: SagemCom_12:be:eb (00:1e:74:12:be:eb), Dst: Dell_66:49:02 (00:13:72:66:49:02)
Internet Protocol, Src: XXX.XXX.XXX.XXX (XXX.XXX.XXX.XXX), Dst: 192.168.1.10 (192.168.1.10)
Transmission Control Protocol, Src Port: ftp-data (20), Dst Port: ctisystemmsg (4451), Seq: 1, Ack: 11777, Len: 0
No. Time Source Destination Protocol Info
41 0.145016 192.168.1.10 XXX.XXX.XXX.XXX FTP-DATA FTP Data: 1024 bytes
Frame 41 (1078 bytes on wire, 1078 bytes captured)
Ethernet II, Src: Dell_66:49:02 (00:13:72:66:49:02), Dst: SagemCom_12:be:eb (00:1e:74:12:be:eb)
Internet Protocol, Src: 192.168.1.10 (192.168.1.10), Dst: XXX.XXX.XXX.XXX (XXX.XXX.XXX.XXX)
Transmission Control Protocol, Src Port: ctisystemmsg (4451), Dst Port: ftp-data (20), Seq: 19457, Ack: 1, Len: 1024
FTP Data
No. Time Source Destination Protocol Info
42 0.145427 XXX.XXX.XXX.XXX 192.168.1.10 TCP ftp-data > ctisystemmsg [ACK] Seq=1 Ack=13313 Win=31944 Len=0
Frame 42 (60 bytes on wire, 60 bytes captured)
Ethernet II, Src: SagemCom_12:be:eb (00:1e:74:12:be:eb), Dst: Dell_66:49:02 (00:13:72:66:49:02)
Internet Protocol, Src: XXX.XXX.XXX.XXX (XXX.XXX.XXX.XXX), Dst: 192.168.1.10 (192.168.1.10)
Transmission Control Protocol, Src Port: ftp-data (20), Dst Port: ctisystemmsg (4451), Seq: 1, Ack: 13313, Len: 0
No. Time Source Destination Protocol Info
43 0.145443 XXX.XXX.XXX.XXX 192.168.1.10 TCP [TCP Dup ACK 42#1] ftp-data > ctisystemmsg [ACK] Seq=1 Ack=13313 Win=31944 Len=0
Frame 43 (60 bytes on wire, 60 bytes captured)
Ethernet II, Src: SagemCom_12:be:eb (00:1e:74:12:be:eb), Dst: Dell_66:49:02 (00:13:72:66:49:02)
Internet Protocol, Src: XXX.XXX.XXX.XXX (XXX.XXX.XXX.XXX), Dst: 192.168.1.10 (192.168.1.10)
Transmission Control Protocol, Src Port: ftp-data (20), Dst Port: ctisystemmsg (4451), Seq: 1, Ack: 13313, Len: 0
No. Time Source Destination Protocol Info
44 0.145470 XXX.XXX.XXX.XXX 192.168.1.10 TCP [TCP Dup ACK 42#2] ftp-data > ctisystemmsg [ACK] Seq=1 Ack=13313 Win=31944 Len=0
Frame 44 (60 bytes on wire, 60 bytes captured)
Ethernet II, Src: SagemCom_12:be:eb (00:1e:74:12:be:eb), Dst: Dell_66:49:02 (00:13:72:66:49:02)
Internet Protocol, Src: XXX.XXX.XXX.XXX (XXX.XXX.XXX.XXX), Dst: 192.168.1.10 (192.168.1.10)
Transmission Control Protocol, Src Port: ftp-data (20), Dst Port: ctisystemmsg (4451), Seq: 1, Ack: 13313, Len: 0
No. Time Source Destination Protocol Info
45 0.145484 192.168.1.10 XXX.XXX.XXX.XXX FTP-DATA [TCP Fast Retransmission] FTP Data: 512 bytes
Frame 45 (566 bytes on wire, 566 bytes captured)
Ethernet II, Src: Dell_66:49:02 (00:13:72:66:49:02), Dst: SagemCom_12:be:eb (00:1e:74:12:be:eb)
Internet Protocol, Src: 192.168.1.10 (192.168.1.10), Dst: XXX.XXX.XXX.XXX (XXX.XXX.XXX.XXX)
Transmission Control Protocol, Src Port: ctisystemmsg (4451), Dst Port: ftp-data (20), Seq: 13313, Ack: 1, Len: 512
FTP Data
No. Time Source Destination Protocol Info
46 0.145568 192.168.1.10 XXX.XXX.XXX.XXX FTP-DATA FTP Data: 1452 bytes
Frame 46 (1506 bytes on wire, 1506 bytes captured)
Ethernet II, Src: Dell_66:49:02 (00:13:72:66:49:02), Dst: SagemCom_12:be:eb (00:1e:74:12:be:eb)
Internet Protocol, Src: 192.168.1.10 (192.168.1.10), Dst: XXX.XXX.XXX.XXX (XXX.XXX.XXX.XXX)
Transmission Control Protocol, Src Port: ctisystemmsg (4451), Dst Port: ftp-data (20), Seq: 20481, Ack: 1, Len: 1452
FTP Data
No. Time Source Destination Protocol Info
47 0.145578 192.168.1.10 XXX.XXX.XXX.XXX FTP-DATA FTP Data: 84 bytes
Frame 47 (138 bytes on wire, 138 bytes captured)
Ethernet II, Src: Dell_66:49:02 (00:13:72:66:49:02), Dst: SagemCom_12:be:eb (00:1e:74:12:be:eb)
Internet Protocol, Src: 192.168.1.10 (192.168.1.10), Dst: XXX.XXX.XXX.XXX (XXX.XXX.XXX.XXX)
Transmission Control Protocol, Src Port: ctisystemmsg (4451), Dst Port: ftp-data (20), Seq: 21933, Ack: 1, Len: 84
FTP Data
No. Time Source Destination Protocol Info
48 0.145678 XXX.XXX.XXX.XXX 192.168.1.10 TCP ftp-data > ctisystemmsg [ACK] Seq=1 Ack=15873 Win=34848 Len=0
Frame 48 (60 bytes on wire, 60 bytes captured)
Ethernet II, Src: SagemCom_12:be:eb (00:1e:74:12:be:eb), Dst: Dell_66:49:02 (00:13:72:66:49:02)
Internet Protocol, Src: XXX.XXX.XXX.XXX (XXX.XXX.XXX.XXX), Dst: 192.168.1.10 (192.168.1.10)
Transmission Control Protocol, Src Port: ftp-data (20), Dst Port: ctisystemmsg (4451), Seq: 1, Ack: 15873, Len: 0
No. Time Source Destination Protocol Info
49 0.145689 XXX.XXX.XXX.XXX 192.168.1.10 TCP [TCP Dup ACK 48#1] ftp-data > ctisystemmsg [ACK] Seq=1 Ack=15873 Win=34848 Len=0
Frame 49 (60 bytes on wire, 60 bytes captured)
Ethernet II, Src: SagemCom_12:be:eb (00:1e:74:12:be:eb), Dst: Dell_66:49:02 (00:13:72:66:49:02)
Internet Protocol, Src: XXX.XXX.XXX.XXX (XXX.XXX.XXX.XXX), Dst: 192.168.1.10 (192.168.1.10)
Transmission Control Protocol, Src Port: ftp-data (20), Dst Port: ctisystemmsg (4451), Seq: 1, Ack: 15873, Len: 0
No. Time Source Destination Protocol Info
50 0.145725 XXX.XXX.XXX.XXX 192.168.1.10 TCP ftp-data > ctisystemmsg [ACK] Seq=1 Ack=17409 Win=37752 Len=0
Frame 50 (60 bytes on wire, 60 bytes captured)
Ethernet II, Src: SagemCom_12:be:eb (00:1e:74:12:be:eb), Dst: Dell_66:49:02 (00:13:72:66:49:02)
Internet Protocol, Src: XXX.XXX.XXX.XXX (XXX.XXX.XXX.XXX), Dst: 192.168.1.10 (192.168.1.10)
Transmission Control Protocol, Src Port: ftp-data (20), Dst Port: ctisystemmsg (4451), Seq: 1, Ack: 17409, Len: 0
- enfin, en ce qui concerne antivirus et autre, pour éliminer un quelqueconque parasitage, j'ai pour le moment tout désintallé.
Merci de votre aide.
A+