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Re: [lwip-users] Failed initial TCP handshake
From: |
jurgen |
Subject: |
Re: [lwip-users] Failed initial TCP handshake |
Date: |
Wed, 21 Jan 2004 10:58:49 +0100 (CET) |
Ok, seems like this is solved in 0.7.0.
Thanx anyway !
Jurgen
address@hidden wrote:
>Hello,
>
>I am using the LWIP stack with great success. However sometimes the
initial >TCP handshake of an active connect from LWIP to a Windows 2000
client >fails. See Ethereal log:
>
> No. Time Source Destination Protocol
>Info
> 1092 185.630678 LWIP W2K TCP
>4129 > nm-assessor [SYN] Seq=39837 Ack=0 Win=2048 Len=0
> 1093 185.631072 W2K LWIP TCP
>nm-assessor > 4129 [SYN, ACK] Seq=3474309920 Ack=39838 Win=64240 Len=0
> 1098 188.400659 LWIP W2K TCP
>4129 > nm-assessor [SYN] Seq=39837 Ack=0 Win=2048 Len=0
> 1099 188.401038 W2K LWIP TCP
>nm-assessor > 4129 [ACK] Seq=3474309921 Ack=39838 Win=64240 Len=0
> 1101 188.440646 LWIP W2K TCP
>4129 > nm-assessor [PSH, ACK] Seq=39838 Ack=3474309922 Win=2048 Len=160
> 1102 188.441180 W2K LWIP TCP
>nm-assessor > 4129 [RST] Seq=3474309922 Ack=3474309922 Win=0 Len=0
> 1103 188.838805 W2K LWIP TCP
>nm-assessor > 4129 [SYN, ACK] Seq=3474309920 Ack=39838 Win=64240 Len=0
> 1105 188.860639 LWIP W2K TCP
>4129 > nm-assessor [RST, ACK] Seq=39838 Ack=3474309921 Win=2048 Len=0
>
>Anyone noticed this before ?
>Anyone hints/tips on how to fix it, because the handshake fails but the
>accept callback gets triggerd !
>
>Jurgen