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24152Re: DHCP Server problem on Synology DS409+

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  • Brian
    Nov 30, 2009
      Thanks for reporting the problem. I've corrected the conffile problem in subversion.

      If dhcpd is supposed to support -4, report to the upstream and help them fix the problem.

      For synology NAS, another possible workaround is to get ipv6 kernel module from optware syno... feed at


      --- In nslu2-linux@yahoogroups.com, "diazeeeee" <diazeeeee@...> wrote:
      > Hello,
      > i recently made an upgrade of my isc-dhcp server and i think i messed up.
      > First of all my dhcpd.conf was overwritten by the default config file provided with the package. I had a backup but this is surprising.
      > And then the new DHCP server refuses to starts, since it asks for the ipv6 kernel module to be enabled (which is not enabled in Synology kernel):
      > Here's the output :
      > <<
      > servebox> dhcpd -4
      > Internet Systems Consortium DHCP Server 4.1.0p1
      > Copyright 2004-2009 Internet Systems Consortium.
      > All rights reserved.
      > For info, please visit http://www.isc.org/sw/dhcp/
      > Wrote 0 leases to leases file.
      > Error opening '/proc/net/if_inet6' to list IPv6 interfaces; No such file or directory
      > Can't get list of interfaces.
      > If you did not get this software from ftp.isc.org, please
      > get the latest from ftp.isc.org and install that before
      > requesting help.
      > If you did get this software from ftp.isc.org and have not
      > yet read the README, please read it before requesting help.
      > If you intend to request help from the dhcp-server@...
      > mailing list, please read the section on the README about
      > submitting bug reports and requests for help.
      > Please do not under any circumstances send requests for
      > help directly to the authors of this software - please
      > send them to the appropriate mailing list as described in
      > the README file.
      > exiting.
      > servebox>
      > >>
      > I obviously tried the -4 option to force ipv4-only but it seems dhcpd has a bug on it.
      > Is there a way or a workaround ? My LAN is running with another "emergency" dhcp server, but this is still annoying...
      > At least i would like to roll-back to the previous working archive package (ipk) but I can't find a "Archive" directory in the NSLU2 feeds.
      > Thanks !
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