Fragmentation

From: Gérard Parat / F6FGZ (terhi.victor@logonet.com)
Date: Fri Jan 10 2003 - 23:08:55 EET

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    Hello,

    I am wondering how to tweak mss/mtu/window/packet lenght etc ... to avoid
    TCP/IP fragmentation for a 1200 bds link. I am trying to send 256 byte size
    AX25 packet, here an example:

    vhf: fm F6FGZ-4 to F6KBS-1 ctl I37^ pid=8(segment) len 255 22:05:44 First seg;
    remain 1
    IP: len 328 44.151.78.19->44.151.91.49 ihl 20 ttl 64 DF prot TCP
    TCP: 46755->http Seq x74f3e657 Ack x86439001 ACK PSH Wnd 472 Data 213
    0000 GET / HTTP/1.0M.Connection: Keep-AliveM.User-Agent: Mozilla/4.78
    0040 [fr] (X11; U; Linux 2.4.18 i686)M.Host: f6bgr.ampr.orgM.Accept:
    0080 image/gif, image/x-xbitmap, image/jpeg, image/pjpeg, image/png,
    00C0 */*M.Accept-Encoding
    vhf: fm F6FGZ-4 to F6KBS-1 ctl I30^ pid=8(segment) len 76 22:05:45 remain 0
    0000 : gzipM.Accept-Language: fr, en, zhM.Accept-Charset: iso-8859-1,
    0040 *,utf-8M.M.

    Data are splitted ... 

    --
73 Gérard F6FGZ

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