Re: Download speed

1998-06-30 Thread W Paul Mills
Did you try asyncmap 0 in your ppp options?

On Tue, 23 Jun 1998, Sture Palminger wrote:

 
 Hi Troy
 
 Thanks for your message. 
 Yes this is a pppd connection.I have played around with mtu and mru but ther 
 is 
 no bigger change.
 Did your second suggestion and dialed upp the only BBS available around here. 
 The download speed was ~1.5 Kb/s  (run with minicom 115200 8N1 CTS/RTS).
 The speed reported by BBS (CONNECT 115200) , my port settings are ttyS1 
 UART:16550A,port:0x02f8, IRQ 3,baud_base:115200 and initialization string ATF
 (factory configured).
 Have to dig into this.
 
 Regards
 Sture
 
 
  
 
 On 19-Jun-98 Troy Hanson wrote:
 Is this with pppd connection?  If so:  Try using the utility setserial to
 set speed to spd_vhi (115200), also, setting the MTU and MRU to 576 helps a
 bit.  (pppd options)
 
 If the progam is with direct serial (e.g. BBS, make sure you have the speed
 set to 115200 in the program).  This could be a good test if your problem
 is with ppp connections.  You can dial up to a BBS and try a Zmodem
 download, and see what kind of througput you get there (should be around
 3.5k/sec on 33.6k modem)
 
 Hope this helps!
 troy
 
  
 
 
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Re: Download speed

1998-06-30 Thread Ed Cogburn
W Paul Mills wrote:
 
 Did you try asyncmap 0 in your ppp options?
 
 On Tue, 23 Jun 1998, Sture Palminger wrote:
 
 
  Hi Troy
 
  Thanks for your message.
  Yes this is a pppd connection.I have played around with mtu and mru but 
  ther is
  no bigger change.
  Did your second suggestion and dialed upp the only BBS available around 
  here.
  The download speed was ~1.5 Kb/s  (run with minicom 115200 8N1 CTS/RTS).
  The speed reported by BBS (CONNECT 115200) , my port settings are ttyS1
  UART:16550A,port:0x02f8, IRQ 3,baud_base:115200 and initialization string 
  ATF
  (factory configured).
  Have to dig into this.
 
  Regards
  Sture
 
 
 
 
  On 19-Jun-98 Troy Hanson wrote:
  Is this with pppd connection?  If so:  Try using the utility setserial to
  set speed to spd_vhi (115200), also, setting the MTU and MRU to 576 helps a
  bit.  (pppd options)
  
  If the progam is with direct serial (e.g. BBS, make sure you have the speed
  set to 115200 in the program).  This could be a good test if your problem
  is with ppp connections.  You can dial up to a BBS and try a Zmodem
  download, and see what kind of througput you get there (should be around
  3.5k/sec on 33.6k modem)
  
  Hope this helps!
  troy


I just checked; 'asyncmap 0' is already the default in /etc/ppp/options


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Re: Download speed

1998-06-29 Thread Sture Palminger

Hi Troy

Thanks for your message. 
Yes this is a pppd connection.I have played around with mtu and mru but ther is 
no bigger change.
Did your second suggestion and dialed upp the only BBS available around here. 
The download speed was ~1.5 Kb/s  (run with minicom 115200 8N1 CTS/RTS).
The speed reported by BBS (CONNECT 115200) , my port settings are ttyS1 
UART:16550A,port:0x02f8, IRQ 3,baud_base:115200 and initialization string ATF
(factory configured).
Have to dig into this.

Regards
Sture


 

On 19-Jun-98 Troy Hanson wrote:
Is this with pppd connection?  If so:  Try using the utility setserial to
set speed to spd_vhi (115200), also, setting the MTU and MRU to 576 helps a
bit.  (pppd options)

If the progam is with direct serial (e.g. BBS, make sure you have the speed
set to 115200 in the program).  This could be a good test if your problem
is with ppp connections.  You can dial up to a BBS and try a Zmodem
download, and see what kind of througput you get there (should be around
3.5k/sec on 33.6k modem)

Hope this helps!
troy

 


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Re: Download speed

1998-06-29 Thread Sture Palminger

Hi Andreas

Thanks for your message.
The modem is an external whith cables supplied whith the modem.
The configuration of the modem port is:

/dev/ttyS1, Line 1, UART: 16550A, Port: 0x02f8, IRQ: 3
Baud_base: 115200, close_delay: 50, divisor: 0
closing_wait: 3000, closing_wait2: infinte
Flags: spd_normal skip_test session_lockout

The modem string used for initzialisation is ATF (default from supplier) and
the ppp configuration and starting scripts are original Debian whith only
my own data changed.

A download from my Internet provider looks like this (w95 whitin brackets ): 

Linux speed ~ 2.9 Kb/s and for the same file  W95 speed ~4.9 Kb/s

atv1
TERMINATION REASON.. LOCAL REQUEST
LAST TX data rate... 31200 BPS   (31200)
HIGHEST TX data rate 31200 BPS   (31200)
LAST RX data rate... 48000 BPS   (44000)
HIGHEST RX data rate 48000 BPS   (46000)
Error correction PROTOCOL... LAPM(LAPM)
Data COMPRESSION V42Bis  (V42BIS)
Line QUALITY 127 (2)
Receive LEVEL... 016 (14) 
Highest SPX Receive State... 68  (A9)
Highest SPX Transmit State.. 67  (67)
EQM Sum Value... 00AD(00CD)
RBS Pattern detected 00  (00)
Data Rate Dropped in kbps... 00  (00) 
Digital Pad Detected None(None)

The differences are in Line QUALITY, Highest SPX Recive State and EQM Sum
Value. What they are and how they are estimated I don't know.According to
Line QUALITY (range 0 - 255) the modem manual (very diminutive) says the
value for a normal connection ranges from 0 to 2 and approaches 8 for a
progressively poorer connection. When the value is 8 or greater the modem
vill automaticly retrain if enabled by AT%E1.
 
I agree that there must be somthing wrong in system configuration but I 
can't figure out what.

By the way here is the modem settings:

atv
ACTIVE PROFILE:
B0 E1 L1 M1 N1 Q0 T V1 W0 X4 Y0 C1 D2 G0 J0 K3 Q5 R1 S0 T5 X0 Y0
S00:000 S01:000 S02:043 S03:013 S04:010 S05:008 S06:010 S07:050 S08:002 S09:006
S10:014 S11:095 S12:050 S18:000 S25:005 S26:001 S36:007 S37:000 S38:020 S44:020
S46:138 S48:007 S95:000

   
Regards
Sture

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E-Mail: Sture Palminger [EMAIL PROTECTED]
Date: 29-Jun-98
Time: 12:37:08

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