Date: Sun, 01 Aug 2004 22:13:58 -0700 From: "Kevin Oberman" <oberman@es.net> To: Gregory Bond <gnb@itga.com.au> Cc: freebsd-stable@freebsd.org Subject: Re: Looking for ntp/PPS setup guide Message-ID: <20040802051358.7D3E05D08@ptavv.es.net> In-Reply-To: Your message of "Mon, 02 Aug 2004 10:15:45 %2B1000." <200408020015.KAA29231@lightning.itga.com.au>
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> From: Gregory Bond <gnb@itga.com.au> > Date: Mon, 02 Aug 2004 10:15:45 +1000 > Sender: owner-freebsd-stable@freebsd.org > > > Thanks all for the enlightening response. There is one bit I still don't get: > How do I tell the kernel which port to look for the PPS signal on with > PPS_SYNC? You create a softlink from the physical device (parallel or serial). ln -s /dev/ttyd0 /dev/pps0 (127.127.22.0 in ntp.conf) or ln -s /dev/ttyd1 /dev/pps0 (127.127.22.0 in ntp.conf) or ln -s /dev/ttyd1 /dev/pps1 (127.127.22.1 in ntp.conf) or ln -s /dev/ppc0 /dev/ppc2 (127.127.22.2 in ntp.conf) -- R. Kevin Oberman, Network Engineer Energy Sciences Network (ESnet) Ernest O. Lawrence Berkeley National Laboratory (Berkeley Lab) E-mail: oberman@es.net Phone: +1 510 486-8634
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