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.