Date: Wed, 28 Jul 1999 23:26:21 -0700 From: "Dan O'Connor" <dan@jgl.reno.nv.us> To: "Steve Friedrich" <SteveFriedrich@Hot-Shot.com>, "FreeBSD Questions" <freebsd-questions@FreeBSD.ORG> Subject: Re: Sysadmin question about network startup Message-ID: <04ef01bed98b$599b8b00$0200000a@home> References: <199907281551.LAA18365@laker.net>
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Try creating /etc/start_if.tun0 with your ppp startup command in it, similar
to:
ppp -auto -alias your_dial_on_demand_connection_name
This will start ppp when the tunnel driver (tun0) is initialized by rc.conf.
This is early enough in the boot sequence that ppp dials-out when sendmail
gets started, so it should be early enough for wherever you have ntpdate
loading from.
You might want to try just using xntpd, without ntpdate. I, too, have a
non-permanent dial-up account and xntpd works fine. I'd let xntpd dial-out
whenever it wanted for a couple of days to stabilize and get your system's
drift figured out, then use ppp's filters to prevent xntpd from dialling out
or keeping the connection alive.
To use ppp's filters, add these lines to your connection in
/etc/ppp/ppp.conf (remember the space char at the beginning of each line):
set filter alive 0 deny udp src eq 123
set filter alive 1 deny udp dst eq 123
set filter alive 2 permit 0 0
set filter dial 0 deny udp src eq 123
set filter dial 1 deny udp dst eq 123
set filter dial 2 permit 0 0
Hope this helps,
--Dan
** The thing I like most about Windows 98 is...
** You can download FreeBSD with it!
> I have an old 486/66 running FreeBSD 2.2.8 acting as an Internet
> gateway for my home LAN. It provides dial-on-demand PPP access to my
> ISP. Recently, I've modified it to get the current time from my ISP
> via ntpdate (during initial boot) and I provide time services to local
> workstations via xntpd.
>
> The problem is that the PPP connection doesn't get started until
> rc.local, which is long after rc.network, therefore ntpdate can't
> access my ISP.
>
> In which rc file should I start my PPP? I'm using user-land PPP.
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