NTP Question

Discussion in 'Sveasoft Firmware' started by SirDracula, Jul 31, 2004.

  1. SirDracula

    SirDracula Network Guru Member


    I am using Satori 4.0 and I have a question about setting an NTP server in the router.

    Does it have to be done by IP address or a DNS name would work? How can I tell if the time is being sync'ed or not?

    Also, can the router act as an NTP server for the computers on the LAN (e.g. the router syncs the time with some server on the Internet and then the LAN computers sync with the router)?

    Thank you.
  2. AbNormal

    AbNormal Network Guru Member

    The firmware already has a default NTP server URL that is not displayed, and will sync "right out the box". Or, you may elect to sync up to your preffered Internet NTP server, by adding the name or address to the NTP field.

    Since the router does not have a real-time clock, it's accuracy is not all that great, as it relies on a 'counting' routine to attempt to keep pace with the current time, after a sync up.

    There has been some discussion on this board, and on others, about the desire to have an on-board NTP server, but given the inherent inaccuracies of the router's so-called 'clock', I would prefer not to see one, personally. My preference is:

    1. for a small number of clients needing to sync up, use the conventional method of looking to the Internet, and sync up individually. It doesn't add very much traffic to get the current time, even every hour, or 15 minutes.

    2. for a greater number of clients, download a free NTP server application from the Internet (widely available), and install this server on a PC that is online either all the time, or most often. Then all other clients could sync to it. Since a PC has a battery-backed up real-time clock, whenever it was running it would therefore become a pretty accurate time source for all other local LAN/WLAN devices.

    YMMV, of course... :wink:
  3. Joris

    Joris Network Guru Member

    One additional note:

    I believe the NTP sync only works via the WAN/internet port ...
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