BIND 10 #2718: Stateless DHCP configuration: allow access to global options if subnets are not configured.

[BIND 10 Development]

#2718: Stateless DHCP configuration: allow access to global options if subnets are
not configured.
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                   Reporter:         |                 Owner:
  marcin                             |                Status:  new
                       Type:         |             Milestone:  DHCP
  enhancement                        |  Outstanding Tasks
                   Priority:         |              Keywords:
  medium                             |             Sensitive:  0
                  Component:  dhcp   |           Sub-Project:  DHCP
               CVSS Scoring:         |  Estimated Difficulty:  0
            Defect Severity:  N/A    |           Total Hours:  0
Feature Depending on Ticket:         |
        Add Hours to Ticket:  0      |
                  Internal?:  0      |
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 The current version of the software does not allow access to global
 options if there is no subnet specified. In the stateless DHCP
 configuration it is possible that the subnet is not configured but still
 we may want to respond to the user with options that are globally
 configured.

 With this change, the current way we access options through the subnet
 remains untouched. The additional feature is to provide an access to the
 global options storage so as the server can pick from them if there is no
 subnet configured.

 This change is required for either DHCPv4 or V6.

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Ticket URL: <http://bind10.isc.org/ticket/2718>
BIND 10 Development <http://bind10.isc.org>
BIND 10 Development