26 lines
1.3 KiB
YAML
26 lines
1.3 KiB
YAML
---
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features:
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- |
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Adds support for configuring a list of IPv6 addresses for a dhcp-host entry
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in the dnsmasq DHCP agent driver. For a port with multiple IPv6 fixed-ips
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in the same subnet a single dhcp-host entry including all the addresses are
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written to the dnsmasq dhcp-hostsfile.
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Reserving multiple addresses for a host eases problems related to network
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and chain-booting where each step in the boot process requests an address
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using different DUID/IAID combinations. With a single address, only one
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gets the "static" address and the boot process will fail on the following
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steps. By reserving enough addresses for all the stages of the boot process
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this problem is resolved. (See bug:
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`#1861032 <https://bugs.launchpad.net/neutron/+bug/1861032>`_)
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.. NOTE:: This requires dnsmasq version 2.81 or later. Some distributions
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may backport this feauture to earlier dnsmasq version as part of
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the packaging, check the distributions releasenotes.
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Since the new configuration format is invalid in previous versions
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of dnsmasq this feauture is *disabled* by default. To *enable* the
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feature set the option ``dnsmasq_enable_addr6_list`` in DHCP agent
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configuration to ``True``.
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