BIND 10 #2463: DHCPv6 Config Parser: default values are cleared on subsequent configuration attempts.

[BIND 10 Development]

#2463: DHCPv6 Config Parser: default values are cleared on subsequent
configuration attempts.
-------------------------------------+-------------------------------------
            Reporter:  marcin        |                        Owner:
                Type:  defect        |  marcin
            Priority:  medium        |                       Status:  new
           Component:  dhcpconf      |                    Milestone:
           Sensitive:  0             |  Sprint-DHCP-20121101
         Sub-Project:  DHCP          |                     Keywords:
Estimated Difficulty:  0             |              Defect Severity:  High
         Total Hours:  0             |  Feature Depending on Ticket:
                                     |          Add Hours to Ticket:  0
                                     |                    Internal?:  0
-------------------------------------+-------------------------------------
 When configuring DHCPv6 server with bindctl the default subnet parameter
 values are cleared and subsequent configuration attempts fail due to lack
 of thereof. Default/global configuration parameters should be rather
 replaced when necessary not removed from storages. The following code
 lines in config_parser.cc (line 1120) are culprit:
 {{{
     option_defaults.clear();
     uint32_defaults.clear();
     string_defaults.clear();
 }}}

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Ticket URL: <https://bind10.isc.org/ticket/2463>
BIND 10 Development <http://bind10.isc.org>
BIND 10 Development