Date: Tue, 30 Sep 1997 11:41:18 -0700 From: John-Mark Gurney <gurney_j@efn.org> To: Brian Tao <taob@nbc.netcom.ca> Cc: FREEBSD-HACKERS <freebsd-hackers@FreeBSD.ORG>, FREEBSD-ISP <freebsd-isp@FreeBSD.ORG> Subject: Re: Cyclades Cyclom-Y PCI multiport serial as console server? Message-ID: <19970930114118.44619@hydrogen.nike.efn.org> In-Reply-To: <Pine.GSO.3.95.970930105228.19219F-100000@tor-adm1.nbc.netcom.ca>; from Brian Tao on Tue, Sep 30, 1997 at 10:58:35AM -0400 References: <Pine.GSO.3.95.970930105228.19219F-100000@tor-adm1.nbc.netcom.ca>
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Brian Tao scribbled this message on Sep 30: > Before I start more troubleshooting, has anyone used the Cyclom-Y > 16-port PCI serial controllers as null modem ports? We have several > dozen pieces of equipment here that all have serial console ports > (Sparcs, Ciscos, Netapps, etc.) Rather than running around with a > long cable attached to a VT-420, I wanted to build a FreeBSD box with > 64 serial ports and just use cu to get console access. > > I note that the cy(4) man page from a May 1997 3.0 snapshot states: > > > BUGS > > BREAK is not yet implemented. you might be able to fake this... just set the line speed to a really slow rate and send some nulls... that's how many programs send a break... > > Serial consoles are not implemented. this just means that you can't use a cy as a serial console for the machine.. not that you can't hook it up to a remove serial console.. > Is there a newer version that does allow me to send breaks to the > remote side (very important if you're dealing with Sparcs)? What > exactly does "serial consoles" mean in this context? If it works with > a modem, I don't see why I can't slap a null modem changer on the > cable, and use it as a serial console. > > I've already modifed /etc/rc.serial to set the ttyc* and cuac* > devices to "terminal" rather than the default of "modem". Anything > else I need to do? not that I know of.. you might want to look at conserver that Poul asked for someone to port... not sure if I have the patches around anymore.. but it wasn't that hard to port.. just needed to convert the termios stuff from SYSV to BSD style... APUE is VERY useful in this situation.. :) -- John-Mark Gurney Modem/FAX: +1 541 683 6954 Cu Networking Live in Peace, destroy Micro$oft, support free software, run FreeBSD
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