Hi Gary Thank you for your support. I share with you information.
> 1. can you please do quantum port-list? quantum --os_token f095d7163a564456b60bf47b078537a7 --os_url http://localhost:9696/ port-list - VM port admin_state_up : True device_id : d6f9eb16-fb54-4c6c-8c1f-dd7859696910 device_owner : fixed_ips :{"subnet_id": "2c6e941e-cf21-40c9-8f1a-37db0e2e9a46", "ip_address": "192.168.30.3"} id : 0118eb34-424f-460e-8e12-42ecffb2dad8 mac_address : fa:16:3e:0d:e6:31 name : network_id : 069f4cfc-3f97-4018-b08e-4a4868f3ca94 status : ACTIVE tenant_id :cf67ba5e70e346b9a080fb349b5e1125 - DHCP agent port admin_state_up : True device_id : dhcp72aca792-f411-52a0-a641-defa1b398574-069f4cfc-3f97-4018-b08e-4a4868f3ca94 device_owner : network:dhcp fixed_ips : {"subnet_id": "bf07d0cd-7abb-4bf0-83a2-dfc1f3c21f8e", "ip_address": "192.168.10.2"}, {"subnet_id": "2c6e941e-cf21-40c9-8f1a-37db0e2e9a46", "ip_address": "192.168.30.2"} id : bd10a19b-a679-4b65-b36b-7beffcdae1ba mac_address : fa:16:3e:6c:f0:b5 name : DHCP Agent network_id : 069f4cfc-3f97-4018-b08e-4a4868f3ca94 status : ACTIVE tenant_id :cf67ba5e70e346b9a080fb349b5e1125 > 2. Is the DHCP agent running (q-dhcp in stackrc)? Yes, DHCP agent running. I added "enable_service q-dhcp". > 3. How did you launch the VM's? Did you use nova boot --nic net-id=quantum > network ID? I use Horizon for Quantum V2 (https://github.com/amotoki/horizon). > 4. Can you please check that the host files has the MAC address and IP > address of your VM - this is under /opt/stack/data/dhcp/<network id>/.. midokura16:/opt/stack/data/dhcp/069f4cfc-3f97-4018-b08e-4a4868f3ca94# cat host fa:16:3e:0d:e6:31,192-168-30-3.openstacklocal,192.168.30.3 fa:16:3e:6c:f0:b5,192-168-10-2.openstacklocal,192.168.10.2 fa:16:3e:6c:f0:b5,192-168-30-2.openstacklocal,192.168.30.2 - dnsmasq syslog when launch VM. dnsmasq-dhcp[12592]: DHCPDISCOVER(tapbd10a19b-a6) fa:16:3e:0d:e6:31 no address available dnsmasq-dhcp[12592]: last message repeated 2 times dnsmasq-dhcp[12592]: DHCPDISCOVER(tapbd10a19b-a6) fa:16:3e:15:62:6a no address available dnsmasq-dhcp[12592]: last message repeated 2 times - sudo ip netns exec 069f4cfc-3f97-4018-b08e-4a4868f3ca94 ip link 104: tapbd10a19b-a6: <BROADCAST,MULTICAST,PROMISC,UP,LOWER_UP> mtu 1500 qdisc noqueue state UNKNOWN link/ether fa:16:3e:6c:f0:b5 brd ff:ff:ff:ff:ff:ff - sudo ip netns exec 069f4cfc-3f97-4018-b08e-4a4868f3ca94 ip route 192.168.10.0/24 dev tapbd10a19b-a6 proto kernel scope link src 192.168.10.2 192.168.30.0/24 dev tapbd10a19b-a6 proto kernel scope link src 192.168.30.2 - quantum-dhcp agent spawn dnsmasq for test04 network dnsmasq --no-hosts --no-resolv --strict-order --bind-interfaces --interface=tapbd10a19b-a6 --except-interface=lo --domain=openstacklocal --pid-file=/opt/stack/data/dhcp/069f4cfc-3f97-4018-b08e-4a4868f3ca94/pid --dhcp-hostsfile=/opt/stack/data/dhcp/069f4cfc-3f97-4018-b08e-4a4868f3ca94/host --dhcp-optsfile=/opt/stack/data/dhcp/069f4cfc-3f97-4018-b08e-4a4868f3ca94/opts --leasefile-ro --dhcp-range=set:tag0,192.168.10.0,static,120s Hope that helped. Thanks! Suzuki On Tue, Sep 4, 2012 at 6:13 PM, Gary Kotton <[email protected]> wrote: > On 09/04/2012 12:03 PM, Takaaki Suzuki wrote: >> >> Hi >> >> Currently, I see that DHCP instance is created per network, at least >> from looking at the Dnsmasq implementation. >> >> I'm curious to know how a DHCP instance can provide services to a VM >> attached to a port on a network that has multiple subnets. >> >> It doesn't seem possible to me that a VM can get two IP addresses on >> an interface from this DHCP server. Is this feature supported in >> Quantum? >> >> I ran a quick test using Devstack + QuantumV2 + OVS plugin. I created >> one network called "test04", and two subnets for tor the network, >> 192.168.10.0/24 and 192.168.30.0/24. > > When a Quantum port is allocated an IP address is selected from one of the > subnets configured on the network (unless the user has requested more than > one IP address). The DHCP agent will learn this IP address and update the > hosts file. > > Can you please provide the following information: > 1. can you please do quantum port-list? > 2. Is the DHCP agent running (q-dhcp in stackrc)? > 3. How did you launch the VM's? Did you use nova boot --nic net-id=quantum > network ID? > 4. Can you please check that the host files has the MAC address and IP > address of your VM - this is under /opt/stack/data/dhcp/<network id>/.. > > Thanks > Gary >> >> With Dnsmasq running as the DHCP server, I launched a VM, and as >> suspected, it did not receive any IP address. I checked the Dnsmasq >> log and it looked like it did receive DHCPDISCOVER message but it did >> not offer anything back. >> >> I would love to know there is actually a way to get this to work, or >> if I'm missing some critical steps here. >> >> Thanks! >> Suzuki >> >> _______________________________________________ >> Mailing list: https://launchpad.net/~openstack >> Post to : [email protected] >> Unsubscribe : https://launchpad.net/~openstack >> More help : https://help.launchpad.net/ListHelp > > > > _______________________________________________ > Mailing list: https://launchpad.net/~openstack > Post to : [email protected] > Unsubscribe : https://launchpad.net/~openstack > More help : https://help.launchpad.net/ListHelp _______________________________________________ Mailing list: https://launchpad.net/~openstack Post to : [email protected] Unsubscribe : https://launchpad.net/~openstack More help : https://help.launchpad.net/ListHelp
