Messages in this thread | | | Date | Thu, 4 Feb 1999 21:18:27 +0000 (GMT) | From | Riley Williams <> | Subject | Re: PPP bug |
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Hi Alan.
>> What happends: TCP connection's freezing when hex sequence occup: >> 0x74 0xab 0x2b 0x2b 0x20 (attach included). All other TCP >> connections still alive.
>> Try to up/down loading attached file or via telnet connections >> type: cat TEST.
>> Both cases this tcp connections freezes (but netstat -an shows >> ESTABLISHED).
>> Maybe I'm wrong? I've tryed all software combinations described >> above on different computers. Also I've tryed -bsdcomp -pc >> asyncmap combinations with pppd.
> The sequence in question is "+++". Either your modem is > misconfigured (you've got no guard bands set) or faulty. You > should refer to your manuals and possibly the modem vendor.
> Not a Linux bug
Another possibility that springs to mind is the old one of having the modem set to use software handshaking, and tell Linux it's using hardware handshaking. I now pretty much automatically set up PPP to escape all four characters that can hit this, 0x11, 0x13, 0x91 and 0x93, simply so that I don't get called out unnecessarily...
Best wishes from Riley.
--- * ftp://ftp.MemAlpha.cx/pub/rhw/Linux * http://www.MemAlpha.cx/~rhw/kernel.versions.html
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