private void configDnsMasq(VirtualRouter router, Network network, Commands cmds) {
DataCenterVO dcVo = _dcDao.findById(router.getDataCenterId());
List<NicIpAliasVO> ipAliasVOList = _nicIpAliasDao.listByNetworkIdAndState(network.getId(), NicIpAlias.state.active);
List<DhcpTO> ipList = new ArrayList<DhcpTO>();
NicVO router_guest_nic = _nicDao.findByNtwkIdAndInstanceId(network.getId(), router.getId());
String cidr = NetUtils.getCidrFromGatewayAndNetmask(router_guest_nic.getGateway(), router_guest_nic.getNetmask());
String[] cidrPair = cidr.split("\\/");
String cidrAddress = cidrPair[0];
long cidrSize = Long.parseLong(cidrPair[1]);
String startIpOfSubnet = NetUtils.getIpRangeStartIpFromCidr(cidrAddress, cidrSize);
ipList.add(new DhcpTO(router_guest_nic.getIp4Address(),router_guest_nic.getGateway(),router_guest_nic.getNetmask(), startIpOfSubnet));
for (NicIpAliasVO ipAliasVO : ipAliasVOList) {
DhcpTO DhcpTO = new DhcpTO(ipAliasVO.getIp4Address(), ipAliasVO.getGateway(), ipAliasVO.getNetmask(), ipAliasVO.getStartIpOfSubnet());
if (s_logger.isTraceEnabled()) {
s_logger.trace("configDnsMasq : adding ip {" + DhcpTO.getGateway() + ", " + DhcpTO.getNetmask() + ", " + DhcpTO.getRouterIp() + ", " + DhcpTO.getStartIpOfSubnet() + "}");
}