So, the same machine, with the same MAC address, seems to be talking to
the dnsmasq DHCP server from (at least) three different subnets
more-or-less simultaneously. This is not good, as the DHCP protocol (for
IPv4, at least) assumes each interface will get _one_ address. Dnsmasq
is chasing its
Thanks, Simon.
The access points are all on vlan 9 (the management vlan). They serve
wireless clients on vlans 3, 4 and 5 but they don't have interfaces on
these vlans.
What's really baffling me is that nothing has changed with the network
configuration. I've been through the configuration of