Thread View: comp.protocols.ppp
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Started by Mark.Humphries Mark Humphries
Fri, 11 Mar 1994 19:58
Novell LWP PPP using Telcor TPort Serial Card
Author: Mark.Humphries Mark Humphries
Date: Fri, 11 Mar 1994 19:58
Date: Fri, 11 Mar 1994 19:58
41 lines
3037 bytes
3037 bytes
I am trying to use the Novell LWP SLIP_PPP driver over a Telcor TPort high-speed async serial card. DIALUP won't initialize my modem through this port so, I dial up our server using another comm utility. PPP negotiates properly and everything works. However, when I initiate any network activity from my PC toward the server there is a 5-10 second pause before I see anything leaving my serial port (observed by the LEDs on my modem). Once things get going the throughput is good. If there is no network activity for a few seconds the same thing happens when I start something up again. Network activity originating from the server side of the PPP link toward my computer is responded to immediately by the SLIP_PPP and there is no delay before my PC sends outgoing data. It's only when the traffic originates from the PC. If I have the server (Sun workstation) continuously ping my PC over the PPP link, my traffic initiated from the PC leaves the serial port immediately. I called Telcor and they said this is what the call having to prime the pump. Takes a while for the SLIP_PPP driver to get the data flowing over the TPort card but once it gets going it flows well. Stop "pumping" for a while and the pump looses it's prime. Weird! They say there is nothing I can do. Other software packages work fine with the TPort card (Procomm, EtherPPP, Chameleon SLIP/PPP). Any suggestions? * * * * * * * * * * * * * * * * * * # # # # # # # # # # # # # # # # # # * Mark Humphries * # * Networking Services Engineering * B B B I I I S S S # * Boeing Information Services * B B I S # * NASA/Marshall Space Flight Center * B B B I S S # * Huntsville, AL 35824 * B B I S # * Mark.Humphries@msfc.nasa.gov * B B B I I I S S S # * (ph) 205-544-5302 * # * (fx) 205-544-4618 * # * * * * * * * * * * * * * * * * * * # # # # # # # # # # # # # # # # # #
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