Date: Wed, 16 Oct 1996 12:06:07 -0500 (CDT) From: Joe Greco <jgreco@brasil.moneng.mei.com> To: CPELTIER@iectech.com (Chris Peltier) Cc: freebsd-isp@FreeBSD.org Subject: Re: pppd reliability Message-ID: <199610161706.MAA28010@brasil.moneng.mei.com> In-Reply-To: <96Oct16.082411edt.6151@netgate.iectech.com> from "Chris Peltier" at Oct 16, 96 12:14:14 pm
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> Does anybody have any experience using pppd to run > dedicated 115K ppp links (ISDN application) on > 2.1.0 release. My main concern is reliability and > CPU loading experiences. I am considering 16550 > UART based boards and the Cyclades products. > The router platform is Pentium 100-133Mhz. It may > coexist with T1 frame links. I have solid T1 frame reliability > without system crashes. Would I jepordize this situation > by adding serial based ppp links? I am thinking about > using the Motorola Bitsurfer Pro with multilink PPP in > a host mode (if possible) to combine the two B channels > into a 115Kbit single, spoofed ppp stream. Anybody else > trying this? I know that the USR I modems don't support > Multilink PPP in host mode (at least not yet). Any other > good ISDN adapters with Multilink PPP spoofing and host > mode support? A P100-133 is probably a little beefy for the job, and I would suggest you consider breaking this up into two tasks: routing of T1 data on one machine and routing of your serial links on another (or even more than just one). The 16550 route will get saturated after not-too-many-ports. I haven't run Cyclades boards at those sorts of speeds, so I can't comment on that. ... JG
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