Public bug reported:
Binary package hint: dnsmasq
Running Xubuntu 8.10, dnsmasq 2.45-1ubuntu1...
I'm not sure what caused this, since I've been mucking about with the
settings for a while now, but at the moment, I'm seeing a Windows XP
laptop caught in an endless loop trying to renew its lease. From
/var/log/syslog:
Feb 10 11:05:13 dhcp-server dnsmasq[19895]: DHCPDISCOVER(eth0) 11:22:33:44:55:66
Feb 10 11:05:13 dhcp-server dnsmasq[19895]: DHCPOFFER(eth0) 192.168.X.X
11:22:33:44:55:66
Feb 10 11:05:13 dhcp-server dnsmasq[19895]: DHCPREQUEST(eth0) 192.168.X.X
11:22:33:44:55:66
Feb 10 11:05:13 dhcp-server dnsmasq[19895]: DHCPNAK(eth0) 192.168.X.X
11:22:33:44:55:66 address reserved
(I've altered server name, IP address, and MAC address from real
values.)
I think I should be able to fix this by stopping the dnsmasq service,
editing the lease file, then restarting the dnsmasq, per some advice I
saw elsewhere, but nonetheless this behavior seems strange in that a
DHCPOFFER is made by the server, but when the client tries to request
it, it receives a DHCPNAK message.
I have configured this particular machine to get an IP address
assignment by hostname from the /etc/hosts file, which may have
something to do with it. It previously obtained the lease in this
manner, but after "repairing" the connection on Windows, it's stuck in
this loop.
** Affects: dnsmasq (Ubuntu)
Importance: Undecided
Status: New
--
DHCP Request Cycle can get caught in infinite loop
https://bugs.launchpad.net/bugs/327703
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