flashboot - Sep 2007 - dhclient would not work if cable is disconnected or dhcp server is unavailable during boot

Hi.

I''m running flashboot 4.1 on a Soekris 4801-50.

sis0 is configured with dhcp and it work if the interface is connected during
boot. If the interface is disconnected during boot the interface will never
recover after I connect it.

I tried to configure dhclient to retry in dhclient.conf but without positive
result.

I have also tried to manually start dhclient in rc.more but dhclient terminates
without retrying any further.

Is there any way to get dhclient keep running so I can connect the wire after
boot and make dhcp work without reboot?

Best Regards rancor


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Hi,

I use a small watchdog-script for this. It checks for a running dhclient
and starts it if it for some reason failed. Just start it in rc.local
with /etc/scripts/dhc-watchdog.sh > /dev/null 2> /dev/null &


#!/bin/sh
if (grep dhcp /etc/hostname.sis0) then
  while true; do
    if (ps -aux | grep dhclient | grep -v grep) then
      echo "ok.."
    else
      echo "down, launching dhclient.."
      dhclient sis0
    fi
    sleep 10
  done
fi


rancor at dathomir.se wrote:
> Hi.
>
> I''m running flashboot 4.1 on a Soekris 4801-50.
>
> sis0 is configured with dhcp and it work if the interface is connected
> during boot. If the interface is disconnected during boot the
> interface will never recover after I connect it.
>
> I tried to configure dhclient to retry in dhclient.conf but without
> positive result.
>
> I have also tried to manually start dhclient in rc.more but dhclient
> terminates without retrying any further.
>
> Is there any way to get dhclient keep running so I can connect the
> wire after boot and make dhcp work without reboot?
>
> Best Regards rancor
>
> ------------------------------------------------------------------------
>
> _______________________________________________
> flashboot mailing list
> flashboot at mindrot.org
> https://lists.mindrot.org/mailman/listinfo/flashboot
>   
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