** Also affects: neutron/juno
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1501451
Title:
Inconsistency in dhcp-agent when filling hosts and opts files
Status in neutron:
Fix Committed
Status in neutron juno series:
New
Bug description:
We have bunch of subnets created in pre-Icehouse era, that have
ipv6_address_mode and ipv6_ra_mode unset. For dhcpv6 functionality we
rely on enable_dhcp setting for a subnet. However, in _iter_hosts
port is skipped iff ipv6_address_mode set to SLAAC, but in
_generate_opts_per_subnet subnet is skipped when ipv6_address_mode id
SLAAC or unset.
Since we can not update ipv6_address_mode attribute in existing
subnets (allow_put is False), this breaks DHCPv6 for these VMs.
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