We're seeing lots of these messages in our systemd logs as follows:
# journalctl -u dhcpd6 -f
Sep 12 09:30:49 dhcpd[51155]: Unable to pick client address: no IPv6
pools on this shared network
Sep 12 09:30:49 dhcpd[51155]: Unable to pick client address: no IPv6
pools on this shared network
Sep 12 09:30:49 dhcpd[51155]: Unable to pick client address: no IPv6
pools on this shared network
Sep 12 09:30:49 dhcpd[51155]: Unable to pick client address: no IPv6
pools on this shared network
Sep 12 09:30:49 dhcpd[51155]: Unable to pick client address: no IPv6
pools on this shared network
Sep 12 09:30:49 dhcpd[51155]: Unable to pick client address: no IPv6
pools on this shared network
.........
What we want to be able to do is to identify the relevant client(s) and
shared networks. We have a large number of shared networks:
# grep subnet6 networks6 | wc -l
163
The version of ISC dhcpd that we're running is
# /usr/sbin/dhcpd -V
Internet Systems Consortium DHCP Server 4.3.5
All the posts that we can find online seem to be for the trivial case of
a single shared network. Can someone please tell us how to increase the
verbosity (while under systemd logging) - or otherwise get debug
information which will allow us to identify the affected clients & networks.
With Thanks,
Patrick
Patrick Rynhart
Systems Engineer, Massey University (New Zealand)
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