public SetupGuestNetworkCommand createSetupGuestNetworkCommand(final DomainRouterVO router, final boolean add, final NicProfile guestNic) { final Network network = _networkModel.getNetwork(guestNic.getNetworkId()); String defaultDns1 = null; String defaultDns2 = null; final boolean dnsProvided = _networkModel.isProviderSupportServiceInNetwork(network.getId(), Service.Dns, Provider.VPCVirtualRouter); final boolean dhcpProvided = _networkModel.isProviderSupportServiceInNetwork(network.getId(), Service.Dhcp, Provider.VPCVirtualRouter); final boolean setupDns = dnsProvided || dhcpProvided; if (setupDns) { defaultDns1 = guestNic.getIPv4Dns1(); defaultDns2 = guestNic.getIPv4Dns2(); } final Nic nic = _nicDao.findByNtwkIdAndInstanceId(network.getId(), router.getId()); final String networkDomain = network.getNetworkDomain(); final String dhcpRange = getGuestDhcpRange(guestNic, network, _entityMgr.findById(DataCenter.class, network.getDataCenterId())); final NicProfile nicProfile = _networkModel.getNicProfile(router, nic.getNetworkId(), null); final SetupGuestNetworkCommand setupCmd = new SetupGuestNetworkCommand(dhcpRange, networkDomain, router.getIsRedundantRouter(), defaultDns1, defaultDns2, add, _itMgr.toNicTO(nicProfile, router.getHypervisorType())); final String brd = NetUtils.long2Ip(NetUtils.ip2Long(guestNic.getIPv4Address()) | ~NetUtils.ip2Long(guestNic.getIPv4Netmask())); setupCmd.setAccessDetail(NetworkElementCommand.ROUTER_IP, _routerControlHelper.getRouterControlIp(router.getId())); setupCmd.setAccessDetail(NetworkElementCommand.ROUTER_GUEST_IP, _routerControlHelper.getRouterIpInNetwork(network.getId(), router.getId())); setupCmd.setAccessDetail(NetworkElementCommand.GUEST_NETWORK_GATEWAY, network.getGateway()); setupCmd.setAccessDetail(NetworkElementCommand.GUEST_BRIDGE, brd); setupCmd.setAccessDetail(NetworkElementCommand.ROUTER_NAME, router.getInstanceName()); if (network.getBroadcastDomainType() == BroadcastDomainType.Vlan) { final long guestVlanTag = Long.parseLong(BroadcastDomainType.Vlan.getValueFrom(network.getBroadcastUri())); setupCmd.setAccessDetail(NetworkElementCommand.GUEST_VLAN_TAG, String.valueOf(guestVlanTag)); } return setupCmd; }