We have a customer who could not get their USR Sportsters 14.4
modems to establish a PPP session after they switched their PM3 to
the new modems. This is from various PCs from various sites all of
which used to work with old modems. The PM3 is running 3.7.2
This is not, at first sight, a modem problem as they connect
successfully; the problem is the PPP negotiation. The PM3 sends a
LCP_CONFIGURE_REQUEST, then another and *then* receives the
LCP_CONFIGURE_ACK from the first request, which it ignores. The
decoder spits out a:
Discarding PPP on port S5 - reply to old request
The PM3 and the calling m/c are then continuously one packet out of
sync. (I have tacked the Dring output at the end for those of you
who like to see the raw data.)
The problem is apparently for all of their USR Sportster 14.4
modems but NO other type of modem appears to show this problem.
They have tried dialing into other PM3s and get the same problem,
as far as they can tell from the client end.
I know that these are antiques but there are enough of them out
there to make it worth their while to spend some effort in try to
fix this problem. Has anybody got any ideas?
Regards:
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
Martin Oakes support@knowware.co.uk
KnowWare (UK) Ltd. http://www.knowware.co.uk/
1, Glentworth Road, Redland, Bristol BS6 7EQ
Tel: (0117) 923 2218 Fax: (0117) 924 6358
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
Dring: Decoder Ring for Livingston Product PPP traces
-----------------------------------------------------
Sending LCP_CONFIGURE_REQUEST to port S5 of 24 bytes containing:
01 01 00 18 02 06 00 00 00 00 05 06 F3 C5 CA A2 07 02 08
02 03 04 C0 23
Packet Info: Code: 01, ID: 01, 24 bytes.
Async-Control-Character-Map [0x02], length: (6 bytes),
[0x00000000]
Magic-Number [0x05], length: (6 bytes), [0xF3C5CAA2]
Protocol-Field-Compression [0x07], length: (2 bytes)
Address-and-Control-Field-Compression [0x08], length: (2 bytes)
Authentication-Protocol [0x03], length: (4 bytes), Password
Authentication Protocol [0xC023]
Sending LCP_CONFIGURE_REQUEST to port S5 of 24 bytes containing:
01 02 00 18 02 06 00 00 00 00 05 06 F3 C5 CA A2 07 02 08
02 03 04 C0 23
Packet Info: Code: 01, ID: 02, 24 bytes.
Async-Control-Character-Map [0x02], length: (6 bytes),
[0x00000000]
Magic-Number [0x05], length: (6 bytes), [0xF3C5CAA2]
Protocol-Field-Compression [0x07], length: (2 bytes)
Address-and-Control-Field-Compression [0x08], length: (2 bytes)
Authentication-Protocol [0x03], length: (4 bytes), Password
Authentication Protocol [0xC023]
Received LCP_CONFIGURE_REQUEST on port S5 of 19 bytes containing:
01
02 00 17 02 06 00 0A 00 00 05 06 00 1E 50 E0 07 02 08 02 0D 03 06
Packet Info: Code: 01, ID: 02, 23 bytes.
Async-Control-Character-Map [0x02], length: (6 bytes),
[0x000A0000]
Magic-Number [0x05], length: (6 bytes), [0x001E50E0]
Protocol-Field-Compression [0x07], length: (2 bytes)
Address-and-Control-Field-Compression [0x08], length: (2 bytes)
Callback [0x0D], length: (3 bytes), [0x06]
Sending LCP_CONFIGURE_REJECT to port S5 of 7 bytes containing:
04 02 00 07 0D 03 06
Packet Info: Code: 04, ID: 02, 7 bytes.
Callback [0x0D], length: (3 bytes), [0x06]
Sending LCP_CONFIGURE_REQUEST to port S5 of 24 bytes containing:
01 03 00 18 02 06 00 00 00 00 05 06 F3 C5 CA A2 07 02 08
02 03 04 C0 23
Packet Info: Code: 01, ID: 03, 24 bytes.
Async-Control-Character-Map [0x02], length: (6 bytes),
[0x00000000]
Magic-Number [0x05], length: (6 bytes), [0xF3C5CAA2]
Protocol-Field-Compression [0x07], length: (2 bytes)
Address-and-Control-Field-Compression [0x08], length: (2 bytes)
Authentication-Protocol [0x03], length: (4 bytes), Password
Authentication Protocol [0xC023]
Received LCP_CONFIGURE_REQUEST on port S5 of 19 bytes containing:
01
03 00 17 02 06 00 0A 00 00 05 06 00 1E 50 E0 07 02 08 02 0D 03 06
Packet Info: Code: 01, ID: 03, 23 bytes.
Async-Control-Character-Map [0x02], length: (6 bytes),
[0x000A0000]
Magic-Number [0x05], length: (6 bytes), [0x001E50E0]
Protocol-Field-Compression [0x07], length: (2 bytes)
Address-and-Control-Field-Compression [0x08], length: (2 bytes)
Callback [0x0D], length: (3 bytes), [0x06]
Sending LCP_CONFIGURE_REJECT to port S5 of 7 bytes containing:
04 03 00 07 0D 03 06
Packet Info: Code: 04, ID: 03, 7 bytes.
Callback [0x0D], length: (3 bytes), [0x06]
Received LCP_CONFIGURE_ACK on port S5 of 20 bytes containing:
02 02 00 18 02 06 00 00 00 00 05 06 F3 C5 CA A2 07 02 08
02 03 04 C0 23
Packet Info: Code: 02, ID: 02, 24 bytes.
Async-Control-Character-Map [0x02], length: (6 bytes),
[0x00000000]
Magic-Number [0x05], length: (6 bytes), [0xF3C5CAA2]
Protocol-Field-Compression [0x07], length: (2 bytes)
Address-and-Control-Field-Compression [0x08], length: (2 bytes)
Authentication-Protocol [0x03], length: (4 bytes), Password
Authentication Protocol [0xC023]
Discarding PPP on port S5 - reply to old request
Sending LCP_CONFIGURE_REQUEST to port S5 of 24 bytes containing
01 04 00 18 02 06 00 00 00 00 05 06 F3 C5 CA A2 07 02 08
02 03 04 C0 23
Packet Info: Code: 01, ID: 04, 24 bytes.
Async-Control-Character-Map [0x02], length: (6 bytes),
[0x00000000]
Magic-Number [0x05], length: (6 bytes), [0xF3C5CAA2]
Protocol-Field-Compression [0x07], length: (2 bytes)
Address-and-Control-Field-Compression [0x08], length: (2 bytes)
Authentication-Protocol [0x03], length: (4 bytes), Password
Authentication Protocol [0xC023]
Received LCP_CONFIGURE_REQUEST on port S5 of 19 bytes containing:
01
04 00 17 02 06 00 0A 00 00 05 06 00 1E 50 E0 07 02 08 02 0D 03 06
Packet Info: Code: 01, ID: 04, 23 bytes.
Async-Control-Character-Map [0x02], length: (6 bytes),
[0x000A0000]
Magic-Number [0x05], length: (6 bytes), [0x001E50E0]
Protocol-Field-Compression [0x07], length: (2 bytes)
Address-and-Control-Field-Compression [0x08], length: (2 bytes)
Callback [0x0D], length: (3 bytes), [0x06]
Sending LCP_CONFIGURE_REJECT to port S5 of 7 bytes containing:
04 04 00 07 0D 03 06
Packet Info: Code: 04, ID: 04, 7 bytes.
Callback [0x0D], length: (3 bytes), [0x06]
Received LCP_CONFIGURE_ACK on port S5 of 20 bytes containing:
02 03 00 18 02 06 00 00 00 00 05 06 F3 C5 CA A2 07 02 08
02 03 04 C0 23
Packet Info: Code: 02, ID: 03, 24 bytes.
Async-Control-Character-Map [0x02], length: (6 bytes),
[0x00000000]
Magic-Number [0x05], length: (6 bytes), [0xF3C5CAA2]
Protocol-Field-Compression [0x07], length: (2 bytes)
Address-and-Control-Field-Compression [0x08], length: (2 bytes)
Authentication-Protocol [0x03], length: (4 bytes), Password
Authentication Protocol [0xC023]
Discarding PPP on port S5 - reply to old request
Sending LCP_CONFIGURE_REQUEST to port S5 of 24 bytes containing
01 05 00 18 02 06 00 00 00 00 05 06 F3 C5 CA A2 07 02 08
02 03 04 C0 23
Packet Info: Code: 01, ID: 05, 24 bytes.
Async-Control-Character-Map [0x02], length: (6 bytes),
[0x00000000]
Magic-Number [0x05], length: (6 bytes), [0xF3C5CAA2]
Protocol-Field-Compression [0x07], length: (2 bytes)
Address-and-Control-Field-Compression [0x08], length: (2 bytes)
Authentication-Protocol [0x03], length: (4 bytes), Password
Authentication Protocol [0xC023]
Received LCP_CONFIGURE_REQUEST on port S5 of 16 bytes containing:
01
05 00 14 02 06 00 0A 00 00 05 06 00 1E 50 E0 07 02 08 02
Packet Info: Code: 01, ID: 05, 20 bytes.
Async-Control-Character-Map [0x02], length: (6 bytes),
[0x000A0000]
Magic-Number [0x05], length: (6 bytes), [0x001E50E0]
Protocol-Field-Compression [0x07], length: (2 bytes)
Address-and-Control-Field-Compression [0x08], length: (2 bytes)
Sending LCP_CONFIGURE_ACK to port S5 of 20 bytes containing:
02 05 00 14 02 06 00 0A 00 00 05 06 00 1E 50 E0 07 02 08
02
Packet Info: Code: 02, ID: 05, 20 bytes.
Async-Control-Character-Map [0x02], length: (6 bytes),
[0x000A0000]
Magic-Number [0x05], length: (6 bytes), [0x001E50E0]
Protocol-Field-Compression [0x07], length: (2 bytes)
Address-and-Control-Field-Compression [0x08], length: (2 bytes)
Received LCP_CONFIGURE_ACK on port S5 of 20 bytes containing:
02 04 00 18 02 06 00 00 00 00 05 06 F3 C5 CA A2 07 02 08
02 03 04 C0 23
Packet Info: Code: 02, ID: 04, 24 bytes.
Async-Control-Character-Map [0x02], length: (6 bytes),
[0x00000000]
Magic-Number [0x05], length: (6 bytes), [0xF3C5CAA2]
Protocol-Field-Compression [0x07], length: (2 bytes)
Address-and-Control-Field-Compression [0x08], length: (2 bytes)
Authentication-Protocol [0x03], length: (4 bytes), Password
Authentication Protocol [0xC023]
Discarding PPP on port S5 - reply to old request
Sending LCP_CONFIGURE_REQUEST to port S5 of 24 bytes containing
01 06 00 18 02 06 00 00 00 00 05 06 F3 C5 CA A2 07 02 08
02 03 04 C0 23
Packet Info: Code: 01, ID: 06, 24 bytes.
Async-Control-Character-Map [0x02], length: (6 bytes),
[0x00000000]
Magic-Number [0x05], length: (6 bytes), [0xF3C5CAA2]
Protocol-Field-Compression [0x07], length: (2 bytes)
Address-and-Control-Field-Compression [0x08], length: (2 bytes)
Authentication-Protocol [0x03], length: (4 bytes), Password
Authentication Protocol [0xC023]
Received LCP_CONFIGURE_REQUEST on port S5 of 16 bytes containing:
01
06 00 14 02 06 00 0A 00 00 05 06 00 1E 50 E0 07 02 08 02
Packet Info: Code: 01, ID: 06, 20 bytes.
Async-Control-Character-Map [0x02], length: (6 bytes),
[0x000A0000]
Magic-Number [0x05], length: (6 bytes), [0x001E50E0]
Protocol-Field-Compression [0x07], length: (2 bytes)
Address-and-Control-Field-Compression [0x08], length: (2 bytes)
Sending LCP_CONFIGURE_ACK to port S5 of 20 bytes containing:
02 06 00 14 02 06 00 0A 00 00 05 06 00 1E 50 E0 07 02 08
02
Packet Info: Code: 02, ID: 06, 20 bytes.
Async-Control-Character-Map [0x02], length: (6 bytes),
[0x000A0000]
Magic-Number [0x05], length: (6 bytes), [0x001E50E0]
Protocol-Field-Compression [0x07], length: (2 bytes)
Address-and-Control-Field-Compression [0x08], length: (2 bytes)
Sending LCP_CONFIGURE_REQUEST to port S5 of 24 bytes containing:
01 07 00 18 02 06 00 00 00 00 05 06 F3 C5 CA A2 07 02 08
02 03 04 C0 23
Packet Info: Code: 01, ID: 07, 24 bytes.
Async-Control-Character-Map [0x02], length: (6 bytes),
[0x00000000]
Magic-Number [0x05], length: (6 bytes), [0xF3C5CAA2]
Protocol-Field-Compression [0x07], length: (2 bytes)
Address-and-Control-Field-Compression [0x08], length: (2 bytes)
Authentication-Protocol [0x03], length: (4 bytes), Password
Authentication Protocol [0xC023]
Received LCP_CONFIGURE_ACK on port S5 of 20 bytes containing:
02 05 00 18 02 06 00 00 00 00 05 06 F3 C5 CA A2 07 02 08
02 03 04 C0 23
Packet Info: Code: 02, ID: 05, 24 bytes.
Async-Control-Character-Map [0x02], length: (6 bytes),
[0x00000000]
Magic-Number [0x05], length: (6 bytes), [0xF3C5CAA2]
Protocol-Field-Compression [0x07], length: (2 bytes)
Address-and-Control-Field-Compression [0x08], length: (2 bytes)
Authentication-Protocol [0x03], length: (4 bytes), Password
Authentication Protocol [0xC023]
Discarding PPP on port S5 - reply to old request
Received LCP_CONFIGURE_REQUEST on port S5 of 16 bytes containing
01 07 00 14 02 06 00 0A 00 00 05 06 00 1E 50 E0 07 02 08
02
Packet Info: Code: 01, ID: 07, 20 bytes.
Async-Control-Character-Map [0x02], length: (6 bytes),
[0x000A0000]
Magic-Number [0x05], length: (6 bytes), [0x001E50E0]
Protocol-Field-Compression [0x07], length: (2 bytes)
Address-and-Control-Field-Compression [0x08], length: (2 bytes)
Sending LCP_CONFIGURE_ACK to port S5 of 20 bytes containing:
02 07 00 14 02 06 00 0A 00 00 05 06 00 1E 50 E0 07 02 08
02
Packet Info: Code: 02, ID: 07, 20 bytes.
Async-Control-Character-Map [0x02], length: (6 bytes),
[0x000A0000]
Magic-Number [0x05], length: (6 bytes), [0x001E50E0]
Protocol-Field-Compression [0x07], length: (2 bytes)
Address-and-Control-Field-Compression [0x08], length: (2 bytes)
Sending LCP_CONFIGURE_REQUEST to port S5 of 24 bytes containing:
01 08 00 18 02 06 00 00 00 00 05 06 F3 C5 CA A2 07 02 08
02 03 04 C0 23
Packet Info: Code: 01, ID: 08, 24 bytes.
Async-Control-Character-Map [0x02], length: (6 bytes),
[0x00000000]
Magic-Number [0x05], length: (6 bytes), [0xF3C5CAA2]
Protocol-Field-Compression [0x07], length: (2 bytes)
Address-and-Control-Field-Compression [0x08], length: (2 bytes)
Authentication-Protocol [0x03], length: (4 bytes), Password
Authentication Protocol [0xC023]
Received LCP_CONFIGURE_ACK on port S5 of 20 bytes containing:
02 06 00 18 02 06 00 00 00 00 05 06 F3 C5 CA A2 07 02 08
02 03 04 C0 23
Packet Info: Code: 02, ID: 06, 24 bytes.
Async-Control-Character-Map [0x02], length: (6 bytes),
[0x00000000]
Magic-Number [0x05], length: (6 bytes), [0xF3C5CAA2]
Protocol-Field-Compression [0x07], length: (2 bytes)
Address-and-Control-Field-Compression [0x08], length: (2 bytes)
Authentication-Protocol [0x03], length: (4 bytes), Password
Authentication Protocol [0xC023]
Discarding PPP on port S5 - reply to old request
Received LCP_CONFIGURE_REQUEST on port S5 of 16 bytes containing
01 08 00 14 02 06 00 0A 00 00 05 06 00 1E 50 E0 07 02 08
02
Packet Info: Code: 01, ID: 08, 20 bytes.
Async-Control-Character-Map [0x02], length: (6 bytes),
[0x000A0000]
Magic-Number [0x05], length: (6 bytes), [0x001E50E0]
Protocol-Field-Compression [0x07], length: (2 bytes)
Address-and-Control-Field-Compression [0x08], length: (2 bytes)
Sending LCP_CONFIGURE_ACK to port S5 of 20 bytes containing:
02 08 00 14 02 06 00 0A 00 00 05 06 00 1E 50 E0 07 02 08
02
Packet Info: Code: 02, ID: 08, 20 bytes.
Async-Control-Character-Map [0x02], length: (6 bytes),
[0x000A0000]
Magic-Number [0x05], length: (6 bytes), [0x001E50E0]
Protocol-Field-Compression [0x07], length: (2 bytes)
Address-and-Control-Field-Compression [0x08], length: (2 bytes)
Sending LCP_CONFIGURE_REQUEST to port S5 of 24 bytes containing:
01 09 00 18 02 06 00 00 00 00 05 06 F3 C5 CA A2 07 02 08
02 03 04 C0 23
Packet Info: Code: 01, ID: 09, 24 bytes.
Async-Control-Character-Map [0x02], length: (6 bytes),
[0x00000000]
Magic-Number [0x05], length: (6 bytes), [0xF3C5CAA2]
Protocol-Field-Compression [0x07], length: (2 bytes)
Address-and-Control-Field-Compression [0x08], length: (2 bytes)
Authentication-Protocol [0x03], length: (4 bytes), Password
Authentication Protocol [0xC023]
Received LCP_CONFIGURE_ACK on port S5 of 20 bytes containing:
02 07 00 18 02 06 00 00 00 00 05 06 F3 C5 CA A2 07 02 08
02 03 04 C0 23
Packet Info: Code: 02, ID: 07, 24 bytes.
Async-Control-Character-Map [0x02], length: (6 bytes),
[0x00000000]
Magic-Number [0x05], length: (6 bytes), [0xF3C5CAA2]
Protocol-Field-Compression [0x07], length: (2 bytes)
Address-and-Control-Field-Compression [0x08], length: (2 bytes)
Authentication-Protocol [0x03], length: (4 bytes), Password
Authentication Protocol [0xC023]
Discarding PPP on port S5 - reply to old request
[0xF5], length: (110 bytes), [0x7C31]
Received LCP_CONFIGURE_REQUEST on port S5 of 16 bytes containing:
01
09 00 14 02 06 00 0A 00 00 05 06 00 1E 50 E0 07 02 08 02
Packet Info: Code: 01, ID: 09, 20 bytes.
Async-Control-Character-Map [0x02], length: (6 bytes),
[0x000A0000]
Magic-Number [0x05], length: (6 bytes), [0x001E50E0]
Protocol-Field-Compression [0x07], length: (2 bytes)
Address-and-Control-Field-Compression [0x08], length: (2 bytes)
Sending LCP_CONFIGURE_ACK to port S5 of 20 bytes containing:
02 09 00 14 02 06 00 0A 00 00 05 06 00 1E 50 E0 07 02 08
02
Packet Info: Code: 02, ID: 09, 20 bytes.
Async-Control-Character-Map [0x02], length: (6 bytes),
[0x000A0000]
Magic-Number [0x05], length: (6 bytes), [0x001E50E0]
Protocol-Field-Compression [0x07], length: (2 bytes)
Address-and-Control-Field-Compression [0x08], length: (2 bytes)
Sending LCP_CONFIGURE_REQUEST to port S5 of 24 bytes containing:
01 0A 00 18 02 06 00 00 00 00 05 06 F3 C5 CA A2 07 02 08
02 03 04 C0 23
Packet Info: Code: 01, ID: 0A, 24 bytes.
Async-Control-Character-Map [0x02], length: (6 bytes),
[0x00000000]
Magic-Number [0x05], length: (6 bytes), [0xF3C5CAA2]
Protocol-Field-Compression [0x07], length: (2 bytes)
Address-and-Control-Field-Compression [0x08], length: (2 bytes)
Authentication-Protocol [0x03], length: (4 bytes), Password
Authentication Protocol [0xC023]
Received LCP_CONFIGURE_ACK on port S5 of 20 bytes containing:
02 08 00 18 02 06 00 00 00 00 05 06 F3 C5 CA A2 07 02 08
02 03 04 C0 23
Packet Info: Code: 02, ID: 08, 24 bytes.
Async-Control-Character-Map [0x02], length: (6 bytes),
[0x00000000]
Magic-Number [0x05], length: (6 bytes), [0xF3C5CAA2]
Protocol-Field-Compression [0x07], length: (2 bytes)
Address-and-Control-Field-Compression [0x08], length: (2 bytes)
Authentication-Protocol [0x03], length: (4 bytes), Password
Authentication Protocol [0xC023]
Discarding PPP on port S5 - reply to old request
Received LCP_CONFIGURE_REQUEST on port S5 of 16 bytes containing
01 0A 00 14 02 06 00 0A 00 00 05 06 00 1E 50 E0 07 02 08
02
Packet Info: Code: 01, ID: 0A, 20 bytes.
Async-Control-Character-Map [0x02], length: (6 bytes),
[0x000A0000]
Magic-Number [0x05], length: (6 bytes), [0x001E50E0]
Protocol-Field-Compression [0x07], length: (2 bytes)
Address-and-Control-Field-Compression [0x08], length: (2 bytes)
Sending LCP_CONFIGURE_ACK to port S5 of 20 bytes containing:
02 0A 00 14 02 06 00 0A 00 00 05 06 00 1E 50 E0 07 02 08
02
Packet Info: Code: 02, ID: 0A, 20 bytes.
Async-Control-Character-Map [0x02], length: (6 bytes),
[0x000A0000]
Magic-Number [0x05], length: (6 bytes), [0x001E50E0]
Protocol-Field-Compression [0x07], length: (2 bytes)
Address-and-Control-Field-Compression [0x08], length: (2 bytes)
Sending LCP_CONFIGURE_REQUEST to port S5 of 24 bytes containing:
01 0B 00 18 02 06 00 00 00 00 05 06 F3 C5 CA A2 07 02 08
02 03 04 C0 23
Packet Info: Code: 01, ID: 0B, 24 bytes.
Async-Control-Character-Map [0x02], length: (6 bytes),
[0x00000000]
Magic-Number [0x05], length: (6 bytes), [0xF3C5CAA2]
Protocol-Field-Compression [0x07], length: (2 bytes)
Address-and-Control-Field-Compression [0x08], length: (2 bytes)
Authentication-Protocol [0x03], length: (4 bytes), Password
Authentication Protocol [0xC023]
Richard Poynter
Email : richard.poynter@dartnet.co.uk
Phone : 44 (0)1794 511505
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