Re: [PATCH 0/2] Using client-id for DHCPv6 host identification

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On 02/15/2013 02:12 PM, Gene Czarcinski wrote:
On 02/15/2013 02:02 PM, Gene Czarcinski wrote:
The first patch is a trivial fix to the network schema
since the name in dhcp-host is really optional.

The second patch adds the capability to use the client id
to improve the reliability of having a system use a fixed
IPv6 address.

Gene Czarcinski (2):
   Trivial fix: in dhcp-host the name is optional
   use client id for IPv6 DHCP host definition

  docs/formatnetwork.html.in                         | 18 ++++++-
docs/schemas/basictypes.rng | 59 ++++++++++++++++++++++
  docs/schemas/network.rng                           |  7 ++-
  src/conf/network_conf.c                            | 29 +++++++++--
  src/conf/network_conf.h                            |  1 +
  src/network/bridge_driver.c                        |  3 +-
  src/util/virdnsmasq.c                              | 20 ++++++--
  src/util/virdnsmasq.h                              |  1 +
  tests/networkxml2confdata/dhcp6-nat-network.xml    |  5 +-
  tests/networkxml2confdata/dhcp6-network.xml        |  5 +-
  .../dhcp6host-routed-network.xml                   |  5 +-
  11 files changed, 138 insertions(+), 15 deletions(-)

When I originally submitted the patches for DHCPv6 I thought that using the host name for specifying hosts with fixed IPv6 addresses would work. Lots of testing proved that to be a foolish assumption. The only thing that works is to specify the ID (Client ID). This has been testing with DUID-LLT, DUID-LL, and DUID-UUID.

One of the most difficult parts in this was getting the patterns in the schemas correct for the various types of DUID. I think I have tested them sufficiently but ??? One of the more difficult things was to handle bytes where the leading zero is suppressed.
One other little thing. These patches with built on v1.0.2. I have rebased to the current top level with no problems (at least when I tried).

Gene

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