If the mac address is not listed in /etc/dhcphosts.txt in VR, the request will be ignored.
Can you give more details so we can reproduce it and fix it ? -Wei 2016-11-07 13:44 GMT+01:00 Cloud List <cloud-l...@sg.or.id>: > Hi, > > After our upgrade from CloudStack 4.2 to 4.8.1.1, we noted that some (but > not all) of our VMs are not able to get DHCP from the VR. This gives > problem when the VM is restarted and cannot get up and running because > unable to get IP. > > I logged in to the VR and found below messages showing that the DHCP server > is ignoring the request from the VM. > > Nov 7 12:19:43 dnsmasq-dhcp[29938]: DHCPDISCOVER(eth0) 06:44:da:01:13:98 > ignored > Nov 7 12:19:52 dnsmasq-dhcp[29938]: DHCPDISCOVER(eth0) 06:05:64:01:13:d3 > ignored > Nov 7 12:19:53 dnsmasq-dhcp[29938]: DHCPDISCOVER(eth0) 06:44:da:01:13:98 > ignored > Nov 7 12:20:04 dnsmasq-dhcp[29938]: DHCPDISCOVER(eth0) 06:44:da:01:13:98 > ignored > Nov 7 12:20:11 dnsmasq-dhcp[29938]: DHCPDISCOVER(eth0) 06:05:64:01:13:d3 > ignored > Nov 7 12:20:22 dnsmasq-dhcp[29938]: DHCPDISCOVER(eth0) 06:44:da:01:13:98 > ignored > Nov 7 12:20:30 dnsmasq-dhcp[29938]: DHCPDISCOVER(eth0) 06:44:da:01:13:98 > ignored > Nov 7 12:20:42 dnsmasq-dhcp[29938]: DHCPDISCOVER(eth0) 06:44:da:01:13:98 > ignored > Nov 7 12:21:02 dnsmasq-dhcp[29938]: DHCPDISCOVER(eth0) 06:44:da:01:13:98 > ignored > Nov 7 12:21:19 dnsmasq-dhcp[29938]: DHCPDISCOVER(eth0) 06:44:da:01:13:98 > ignored > > Any reason why the dnsmasq service ignored the request from the VM and how > can we fix that? > > At the moment, the only workaround we can do is to configure the IP address > statically to the servelet, which is not practical. > > Any advice is greatly appreciated. > > Thank you. >
