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[Config: CC] There is one host on my DHCP network that is receiving DHCPDECLINE every two weeks or so. The host is renewing its lease every 4 hours (or so), so it is working most of the time. For example, here is the start of a DECLINE and OFFER new address: Sun Jul 10 08:44:08 2016 daemon.info dnsmasq-dhcp[1539]: DHCPREQUEST(br-lan) {net}.173 {mac} Sun Jul 10 08:44:08 2016 daemon.info dnsmasq-dhcp[1539]: DHCPACK(br-lan) {net}.173 {mac} {host} # 30 seconds later, DHCPDECLINE Sun Jul 10 08:44:36 2016 daemon.info dnsmasq-dhcp[1539]: DHCPDECLINE(br-lan) {net}.173 {mac} Sun Jul 10 08:44:49 2016 daemon.info dnsmasq-dhcp[1539]: DHCPDISCOVER(br-lan) {mac} # changed from 173 to 174 Sun Jul 10 08:44:49 2016 daemon.info dnsmasq-dhcp[1539]: DHCPOFFER(br-lan) {net}.174 {mac} Sun Jul 10 08:44:49 2016 daemon.info dnsmasq-dhcp[1539]: DHCPDISCOVER(br-lan) {mac} Sun Jul 10 08:44:49 2016 daemon.info dnsmasq-dhcp[1539]: DHCPOFFER(br-lan) {net}.174 {mac} Sun Jul 10 08:44:50 2016 daemon.info dnsmasq-dhcp[1539]: DHCPREQUEST(br-lan) {net}.174 {mac} Sun Jul 10 08:44:50 2016 daemon.info dnsmasq-dhcp[1539]: DHCPACK(br-lan) {net}.174 {mac} {host} Every few hours, for 21 days: <repeat> Mon Jul 11 07:40:27 2016 daemon.info dnsmasq-dhcp[1539]: DHCPREQUEST(br-lan) {net}.174 {mac} Mon Jul 11 07:40:27 2016 daemon.info dnsmasq-dhcp[1539]: DHCPACK(br-lan) {net}.174 {mac} {host} </repeat> Then, DHCPDECLINE, but same address: Sun Jul 31 20:00:45 2016 daemon.info dnsmasq-dhcp[16256]: DHCPREQUEST(br-lan) {net}.174 {mac} Sun Jul 31 20:00:45 2016 daemon.info dnsmasq-dhcp[16256]: DHCPACK(br-lan) {net}.174 {mac} {host} Sun Jul 31 20:01:20 2016 daemon.info dnsmasq-dhcp[16256]: DHCPDECLINE(br-lan) {net}.174 {mac} Sun Jul 31 20:01:33 2016 daemon.info dnsmasq-dhcp[16256]: DHCPDISCOVER(br-lan) {mac} Then, renewal every few hours for 8 days. After 8 days, DHCPDECLINE and OFFER new address: Mon Aug 8 19:45:32 2016 daemon.info dnsmasq-dhcp[16256]: DHCPREQUEST(br-lan) {net}.174 {mac} Mon Aug 8 19:45:32 2016 daemon.info dnsmasq-dhcp[16256]: DHCPACK(br-lan) {net}.174 {mac} {host} # 35 seconds later, DHCPDECLINE Mon Aug 8 19:46:07 2016 daemon.info dnsmasq-dhcp[16256]: DHCPDECLINE(br-lan) {net}.174 {mac} Mon Aug 8 19:46:20 2016 daemon.info dnsmasq-dhcp[16256]: DHCPDISCOVER(br-lan) {mac} Mon Aug 8 19:46:20 2016 daemon.info dnsmasq-dhcp[16256]: DHCPOFFER(br-lan) {net}.175 {mac} Mon Aug 8 19:46:20 2016 daemon.info dnsmasq-dhcp[16256]: DHCPDISCOVER(br-lan) {mac} Mon Aug 8 19:46:20 2016 daemon.info dnsmasq-dhcp[16256]: DHCPOFFER(br-lan) {net}.175 {mac} Mon Aug 8 19:46:21 2016 daemon.info dnsmasq-dhcp[16256]: DHCPREQUEST(br-lan) {net}.175 {mac} Mon Aug 8 19:46:21 2016 daemon.info dnsmasq-dhcp[16256]: DHCPACK(br-lan) {net}.175 {mac} {host} Why would dnsmasq send an unsolicited DHCPDECLINE? Also, it only seems to be affecting one host. -- -Justin [email protected] |
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