From: Roger Harris (tllzgsir@hphood.com)
Date: Mon Jul 09 2001 - 02:44:26 EEST
Thanks for the reply, John. I think what you describe is a different
problem, which I have also noticed.
The problem you describe is a quirk of BPQ. It won't accept commands unless
they are followed by a carriage return and (this is the nasty bit) the
carriage return must arrive in the same packet as the command itself.
This is OK if you come in from an AX25 node or a TNC, since the packet is
not normally sent until the CR is received (or until the maximum packet
length is received). However, if you are telnetting to a TCPIP system first
(e.g. Windows or Linux), that system will most likely split your message up
into AX25 packets, each containing a single character, especially if you
are typing slowly. So the BPQ box will receive the first character of the
command, without the CR, and immediately complain.
I hope that makes sense.
Regards
Roger
At 10:59 05/07/01 -0500, you wrote:
>You have addressed an issue that I believe is the same or related to what I
>have seen on a system we have set up here in southern Indiana. There is an
>Ethernet link between a Linux node and a box running BPQ. If a user comes
>in on AX25 (radio) and connects to the BPQ box, everything works fine.
>However, if a MS Windows machine on the Ethernet LAN telnets into the node
>and then connects to the BPQ box, things get a bit crazy. It appears that
>additional characters are being appended, even before the ENTER key is
>pressed (if memory serves me correctly). This makes the connection useless.
>It is impossible to issue node commands, or access the weather server
>attached as an application through BPQ's host interface. The exception to
>what Roger describes below is that this is happening in the text mode.
>
>I had hoped to research this a bit more before posting, but Roger's problem
>sounds like it is the same thing. Any help you guys can offer would be
>greatly appreciated.
>
>73,
>John Bennett
>n4xi
>
>
>----- Original Message -----
>From: "Roger Harris" <cmlpv@afis.asmed.pl>
>To: <bkpewphr.xiupkylxyi@immaculata.edu>; <tajzvfjh@omnicell.com>
>Sent: Wednesday, July 04, 2001 8:08 PM
>Subject: Node-0.3.0 + Telnet + Compressed forwarding?
>
>
> > Hi
> >
> > I've been exchanging compressed forwarding between two XFBB systems for
> > some time. If the telnet connection is made directly from one system to
>the
> > other, everything works fine.
> >
> > However, if a non-Linux FBB system connects first to a Linux node then
> > telnets to an FBB system, the compressed forwarding falls over.
> >
> > It appears that although the escape character is disabled on the node, the
> > connection is not truly transparent.
> >
> > The node appears to be invoking Telnet in such a way as to cause a LF to
>be
> > added to every CR, and 0xFF to be duplicated. Is there a way of making the
> > node invoke Telnet in a truly transparent binary mode, or is the problem
> > with the receiving FBB using Telnet in a different way?
> >
> > Is there a workaround for this problem (apart from forwarding in plain
>text)?
> >
> > Thanks
> >
> > Roger
> >
> > This has been posted to linux-hams and xfbb mailing lists.
> >
> > -
> > To unsubscribe from this list: send the line "unsubscribe linux-hams" in
> > the body of a message to icyhkbl.cixrpxbtog@transfinity.net
> >
>
>
>
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This archive was generated by hypermail 2b30 : Mon Jul 09 2001 - 02:43:58 EEST