Hi Mike, On Sun, 21 May 2006 at 16:03:39 -0400, Mike Tancsa wrote:
> Correct. Its always dialing into a terminal server that is connected > via PRIs. Usually Lucent PM3, sometimes Cisco 5800s depending on the > location they dial from. I guess you won't want to be messing with their configs, then .. > > > The internal USR seems to correctly see the carrier drop and PPP > > > hence sees it. However, the 2 external Intels I am experimenting > > > with on the USB serial ports do not. I suspect thats part of the > > > reason the DCD is not working. Perhaps incorrect init string or > > > something with the USB-Serial. Note, I only have the internal USRs > > > deployed in the field right now > > > >Don't know about USB modems. Do USR still use their own chipsets, or > >what? In any case, they're probably highly tunable and well documented. > > Actually, they are just regular external modems connected to USB to > serial adaptors (using the uftdi driver) I had a browse through /sys/dev/usb/{uft,ucom}* but was well out of my depth .. it =looks= like DCD (aka RLSD) changes should be picked up ok; perhaps you're right about some odd init string or such - good luck! > >Not V.90 full tilt, anyway. If 45333 is sort of usual for this one, > >then I'd probably try telling it to connect no higher than maybe 41333 > >or 40000; often about 10-15% or so less than 'normal' can make all the > >difference. If you can afford the bandwidth, go for slow and solid .. > > > Yes, for sure I will try and lower the speeds a bit, but ultimately I > want to deal with situations where the carrier drops and the modem > has to redial. The client is willing to put in an extra phone line > if it would make the link more reliable. Typically these sites are > too remote for other types of transport. I think if I can get mp > working with reliable dcd I think that should do it. Fair enough. Chances of losing two lines at once are pretty small, unless there are district-wide problems, given you get DCD going .. cheers, Ian _______________________________________________ freebsd-net@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-net To unsubscribe, send any mail to "[EMAIL PROTECTED]"