-----Original Message----- From: ptaylor [SMTP:ptaylor@westwood-st-thomas.wilts.sch.uk] Sent: Friday, September 07, 2001 2:13 PM To: SuSE Schools Subject: [suse-linux-uk-schools] kppp
Hi all:
I am using an ISA 56K modem (not win as far as I know), and have managed to get it working by various configurations including setserial. I am using Uklinux and it connects at 115K but using kppp stats I see that it consistently leaps and troughs quite badly and keeps stalling. The average speed is about 600b/sec. Using a different modem on another machine I get a good through rate with the same uklinux phone numbers so I assume it is some setting in the modem itself or one on the linux box that is awry? It seems to go quite quickly and gradually die and then continuously stall. Any tips for configuration or trouble-shooting? [Simon Wood] Firstly it is highly unlikely that the problem lies with the application Kppp, this is mearly a method for controlling the pppd deamon and bringing up the modem link.
I (and my parents) have problems with bandwidth on UkLinux (an otherwise excellent service) and I've had an almost identical problem with respect to the 'stalling'. I believe that it is the phone link rather than any 'software', I can make most of the problem go away if I unplug the adjacent telephone, this seems to make the line perform better. I'm guessing that it is related to the amount of noise/echo on the line. The recommended maximum for a phone line is a REN of 4.0, most phones/modems are 1.0. Hope this helps, Simon W.
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Simon Wood