setting tftp timeout



  • how would i go about setting a tftp timeout limit for a fog client , for example i have all my client machines set to boot to pxe and if the client cannot find the fog server for any reason it will continue to try connect rather than timing out , how could i set a timeout so the client proceeds to boot to hard disk ? would this be a setting within fog or on the machines bios?
    thanks


  • Moderator

    @Jamie-Read Some machines Firmware are better than others, some are worse than others.

    Some machines will try for 5 or 8 seconds and then give up and boot to the next option in the boot priority.

    Others will just sit there and stare at the wall for 15 minutes trying to network boot.

    We have no control over how manufacturer firmware acts - but if you’re really skilled and super motivated - you can probably flash the ROMs for the NIC chipset to reduce the wait period.

    OR…

    You can run dual TFTP servers, or chain one “always on” and simple TFTP server to the primary FOG server. Others here in the forums have accomplished setups like this in the past to reduce their downtime and prevent precisely what you’re describing.

    If you’re running dnsmasq ProxyDHCP - it’s possible to ping the FOG sever every minute via a script with Cron-Tab, and if a response isn’t recieved, to simply swap out ProxyDHCP’s configuration file with another one that points to a different FOG server, and then restart the service. This can also be done with Linux DHCP quite easily. However I’m afraid there are no easy ways (or perhaps any way) to manipulate Windows DHCP in such a manner… this is where you will find that Linux excels beyond what Windows is capable of.

    Just let us know what you’re interested in and we will try to help - and also feel free to search the forums and other sites to try to figure it out yourself as well, you’ll learn more if you do it on your own.


  • Moderator

    Hi, if it cannot find the server FOG, FOG can’t tell to the client to boot to hard disk ;) I think you can define that in your BIOS.


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