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According to the dnsmasq manpage, the netmask for IPv4 address ranges
will be auto-deteremined from the interface dnsmasq is listening on,
but it can't do this for IPv6 for some reason - it instead assumes a
network prefix of 64 for all IPv6 address ranges. If this is
incorrect, dnsmasq will refuse to give out an address to clients,
instead logging this message:
dnsmasq-dhcp[2380]: no address range available for DHCPv6 request via virbr0
The solution is for libvirt to add ",$prefix" to all IPv6 dhcp-range
arguments when building the dnsmasq.conf file.
Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1033739
(cherry picked from commit
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|---|---|---|
| .. | ||
| dhcp6-nat-network.conf | ||
| dhcp6-nat-network.xml | ||
| dhcp6-network.conf | ||
| dhcp6-network.xml | ||
| dhcp6host-routed-network.conf | ||
| dhcp6host-routed-network.xml | ||
| isolated-network.conf | ||
| isolated-network.xml | ||
| nat-network-dns-forward-plain.conf | ||
| nat-network-dns-forward-plain.xml | ||
| nat-network-dns-forwarders.conf | ||
| nat-network-dns-forwarders.xml | ||
| nat-network-dns-hosts.conf | ||
| nat-network-dns-hosts.xml | ||
| nat-network-dns-local-domain.conf | ||
| nat-network-dns-local-domain.xml | ||
| nat-network-dns-srv-record-minimal.conf | ||
| nat-network-dns-srv-record-minimal.xml | ||
| nat-network-dns-srv-record.conf | ||
| nat-network-dns-srv-record.xml | ||
| nat-network-dns-txt-record.conf | ||
| nat-network-dns-txt-record.xml | ||
| nat-network-name-with-quotes.conf | ||
| nat-network-name-with-quotes.xml | ||
| nat-network.conf | ||
| nat-network.xml | ||
| netboot-network.conf | ||
| netboot-network.xml | ||
| netboot-proxy-network.conf | ||
| netboot-proxy-network.xml | ||
| routed-network.conf | ||
| routed-network.xml | ||