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Author Topic: working NTP with no WAN connected ?  (Read 5737 times)

gerhard

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working NTP with no WAN connected ?
« on: February 07, 2010, 04:54:18 AM »

I have a DIR-825 used only as Accesspoint and Switch, i.e. no WAN connected, since my alwayson Server does that. I have a local timeserver in my LAN (stratum 3 if that matters)
NTP is NOT working even when I configure the IP for my timeserver.
Is there a way to get NTP working ? Or should I switch to OpenWrt ?
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lizzi555

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Re: working NTP with no WAN connected ?
« Reply #1 on: February 07, 2010, 05:47:32 AM »

The router will allways attempt to reach the time server via WAN port.
It is designed as Internet Gateway for SOHO use.

Don't know whether you should switch to Open WRT.
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gerhard

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Re: working NTP with no WAN connected ?
« Reply #2 on: February 07, 2010, 08:44:25 AM »

Thanks for your response. I always used my WLAN-routers that way, i.e. do the PPTP/PPPOE on a PC with a "real" firewall and other nice things and use the router as a "dumb" machine. Time was up to now of no matter, but since the 825 can do time based activation of WLAN and I want to switch WLAN off at night, time should be accurate. Unfortunately the internal timer isn't very accurate, I was ~ 45' off after an uptime of 2 weeks.
 Maybe I'll find a way to POST the HTTP request automatically to kind of sync the time or I'll have to dig into OpenWrt, maybe it  can handle this.
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gerhard

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Re: working NTP with no WAN connected ?
« Reply #3 on: February 07, 2010, 08:57:10 AM »

another note:
even in SOHO applications the following should'nt be too unusual and therefore supported:
one local NTP-server, which servers all computers (and router)  on the LAN (instead of each PC syncing to internet.)
just my 2ct ;-)
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sercasti

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Re: working NTP with no WAN connected ?
« Reply #4 on: February 17, 2010, 12:32:15 PM »

having an NTP server at home is that usual? I dont think so.

Just to be curious, how do you know that your NTP is up to date with the real time? do you have an atomic clock into the closet?
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