neutron/releasenotes/notes/dns_domain-6f0e628aeb3c650c...

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---
fixes:
- |
Previously a network's ``dns_domain`` attribute was ignored by the DHCP
agent. With this release, OpenStack deployments using Neutron's DHCP agent
will be able to specify a per network ``dns_domain`` and have instances
configure that domain in their dns resolver configuration files (Linux's
/etc/resolv.conf) to allow for local partial DNS lookups. The per-network
``dns_domain`` value will override the DHCP agent's default ``dns_domain``
configuration value. Note that it's also possible to update a network's
``dns_domain``, and that new value will be propogated to new instances
or when instances renew their DHCP lease. However, existing leases will
live on with the old ``dns_domain`` value.