The "bad fcs" message seems to be a manifestation of several possible problems,
which result in an incorrect checksum. Here are a couple I've encountered:
1. you have the pppd "tty speed" option set too high for for your modem;
2. you and your ISP are not agreeing on the set of escape characters to be used
in packets - try fooling with the pppd "asyncmap" option, eg, "asyncmap 0xa0000
George Mailer wrote:
> Please, I wonder if anyone might offer any suggestions - not much hair left
> !
>
> I have ( had) a working Linux RedHat 5.0 ( 2.0.32 kernel) using pppd (
> 2.3.3-4) and diald ( 0.16.4-1). This was working fine connecting to an ISP
> on demand ( NTL). I'm now trying to change it over to use Demon Internet -
> thought it would be quite simple !
>
> I think I've modified most everything I need to get ppp running - I still
> have to change sendmail etc, but it now won't connect up ppp and I now have
> an error in my messages file I don't understand - perhaps someone might
> know where I should be looking.
>
> The errored lines say 'frame with bad fcs, excess = dd0d'
> ( not always the same excess figure).
>
> I'm even comparing the config files I can think are relevant to make them
> the same as 2 other systems that connect perfectly to Demon ???
>
> Murphys law is at work again here - this system runs e-mail for the boss so
> the pressure is on and I'm away from Thursday !
>
> Thanks in advance and apologies if this is not a pure diald query.
>
> Regards -
> George Mailer
> OnLine Services
>
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