[Bug 991360] Re: isc-dhcp-client does not send hostnames in DHCPv6 by default

[Stéphane Graber]

As far as I can tell, fqdn.fqdn doesn't seem to be problematic to set as
based on a quick read of the RFC, it's not actually required for it to
be an actual fqdn (gethostname() will only return the hostname, not the
fqdn).

So until such time that we get a getfqdn() (retuning hostname -f), I'm
going to go with setting it for both ipv4 and ipv6 to the value of
gethostname().

** Changed in: isc-dhcp (Ubuntu)
       Status: In Progress => Fix Committed

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https://bugs.launchpad.net/bugs/991360

Title:
  isc-dhcp-client does not send hostnames in DHCPv6 by default

Status in “isc-dhcp” package in Ubuntu:
  Fix Committed

Bug description:
  DHCPv6 does not have a host-name option to send the client hostname to
  register with the DHCP server.  There are several potential options
  here:

  1)  Use the same "magic" to insert the hostname via fqdn.fqdn (i.e. "send fqdn.fqdn "<hostname>";"  This should work with DHCPv4 as well.
  2)  Backport the gethostname() functionality from DHCP 4.2.
  3)  Upgrade to isc-dhcp-client 4.2.

  Perhaps some of these are more appropriate to consider for the Q
  cycle.  Personally, I think option 1 (implementing "<hostname>" magic)
  for fqdn.fqdn would be the least intrusive.

  As issues go, this is admittedly minor.

  ProblemType: Bug
  DistroRelease: Ubuntu 12.04
  Package: isc-dhcp-client 4.1.ESV-R4-0ubuntu5
  ProcVersionSignature: Ubuntu 3.2.0-24.37-generic 3.2.14
  Uname: Linux 3.2.0-24-generic x86_64
  ApportVersion: 2.0.1-0ubuntu7
  Architecture: amd64
  CheckboxSubmission: 014d169fc2d78562c156088c6ab6adc0
  CheckboxSystem: c69722ecac764861be52925fa50b4dcc
  Date: Sun Apr 29 13:19:49 2012
  DhclientLeases:
   
  ProcEnviron:
   TERM=xterm
   PATH=(custom, user)
   LANG=en_US.UTF-8
   SHELL=/bin/zsh
  SourcePackage: isc-dhcp
  UpgradeStatus: Upgraded to precise on 2012-04-15 (14 days ago)
  mtime.conffile..etc.dhcp.dhclient.conf: 2011-09-26T21:03:34.986111

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