I think we've isolated the problem. Until we can get the patch posted, try this workaround:
1) create the subnets 2) kill dnsmasq instance for the network 3) restart dhcp_agent If this does not work, let me know, mark On Sep 4, 2012, at 6:47 PM, Takaaki Suzuki <[email protected]> wrote: > Thank you for investigate this problem. > >> 1. Can you send me the results of ps aux |grep dnsmasq > nobody 12592 0.0 0.0 28812 1084 ? S Sep03 0:00 > 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 > >> 2. Can you also please send the ifconfig. The tap devices for also ip >> address. Can you please send me ip addr. (my gut feeling is that we do not >> configure 192.168.30.2 but rather 192.168.10.2. > > - ifconfig > tap0118eb34-42 Link encap:Ethernet HWaddr de:fe:b2:24:cc:0f > inet6 addr: fe80::dcfe:b2ff:fe24:cc0f/64 Scope:Link > UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 > RX packets:33 errors:0 dropped:0 overruns:0 frame:0 > TX packets:33 errors:0 dropped:0 overruns:0 carrier:0 > collisions:0 txqueuelen:500 > RX bytes:4770 (4.7 KB) TX bytes:4770 (4.7 KB) > > tap0e74b599-a1 Link encap:Ethernet HWaddr 36:42:91:96:44:14 > inet6 addr: fe80::3442:91ff:fe96:4414/64 Scope:Link > UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 > RX packets:7129 errors:0 dropped:0 overruns:0 frame:0 > TX packets:7140 errors:0 dropped:0 overruns:0 carrier:0 > collisions:0 txqueuelen:500 > RX bytes:1763458 (1.7 MB) TX bytes:1699484 (1.6 MB) > > tap0fb10fc2-62 Link encap:Ethernet HWaddr 92:bf:8b:95:b2:7b > inet6 addr: fe80::90bf:8bff:fe95:b27b/64 Scope:Link > UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 > RX packets:27 errors:0 dropped:0 overruns:0 frame:0 > TX packets:30 errors:0 dropped:0 overruns:0 carrier:0 > collisions:0 txqueuelen:500 > RX bytes:4302 (4.3 KB) TX bytes:3804 (3.8 KB) > > tap38bea316-b0 Link encap:Ethernet HWaddr fa:68:38:20:63:60 > inet6 addr: fe80::f868:38ff:fe20:6360/64 Scope:Link > UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 > RX packets:7091 errors:0 dropped:0 overruns:0 frame:0 > TX packets:7009 errors:0 dropped:0 overruns:0 carrier:0 > collisions:0 txqueuelen:500 > RX bytes:1761232 (1.7 MB) TX bytes:1692872 (1.6 MB) > > - ipaddr > 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 16436 qdisc noqueue state UNKNOWN > link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 > inet 127.0.0.1/8 scope host lo > inet6 ::1/128 scope host > valid_lft forever preferred_lft forever > 2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP qlen > 1000 > link/ether d4:ae:52:67:54:a0 brd ff:ff:ff:ff:ff:ff > inet *.*.*.*/* brd 192.168.100.255 scope global eth0 > inet6 fe80::d6ae:52ff:fe67:54a0/64 scope link > valid_lft forever preferred_lft forever > 3: eth1: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN qlen 1000 > link/ether d4:ae:52:67:54:a1 brd ff:ff:ff:ff:ff:ff > 4: eth2: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN qlen 1000 > link/ether 00:1b:21:d8:ef:38 brd ff:ff:ff:ff:ff:ff > 5: eth3: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN qlen 1000 > link/ether 00:1b:21:d8:ef:39 brd ff:ff:ff:ff:ff:ff > 6: virbr0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc noqueue > state DOWN > link/ether 9e:9f:7d:e9:66:f9 brd ff:ff:ff:ff:ff:ff > inet 192.168.122.1/24 brd 192.168.122.255 scope global virbr0 > 18: tap8f8a93a5-68: <BROADCAST,MULTICAST> mtu 1500 qdisc pfifo_fast > state DOWN qlen 500 > link/ether 3a:2c:83:b2:a6:1f brd ff:ff:ff:ff:ff:ff > 19: tap4002a239-42: <BROADCAST,MULTICAST> mtu 1500 qdisc pfifo_fast > state DOWN qlen 500 > link/ether 16:f5:da:f9:ad:a7 brd ff:ff:ff:ff:ff:ff > 21: tap1be70123-2e: <BROADCAST,MULTICAST> mtu 1500 qdisc pfifo_fast > state DOWN qlen 500 > link/ether 52:4d:f8:0c:5e:8c brd ff:ff:ff:ff:ff:ff > 22: tapbc94fdb2-97: <BROADCAST,MULTICAST> mtu 1500 qdisc pfifo_fast > state DOWN qlen 500 > link/ether 62:9a:d5:74:32:53 brd ff:ff:ff:ff:ff:ff > 25: tap2142521d-5f: <BROADCAST,MULTICAST> mtu 1500 qdisc pfifo_fast > state DOWN qlen 500 > link/ether c2:5e:48:0a:7b:20 brd ff:ff:ff:ff:ff:ff > 27: tap0c3e2dff-86: <BROADCAST,MULTICAST> mtu 1500 qdisc pfifo_fast > state DOWN qlen 500 > link/ether 76:8c:30:bc:f8:e4 brd ff:ff:ff:ff:ff:ff > 28: tapcffed6f3-c7: <BROADCAST,MULTICAST> mtu 1500 qdisc pfifo_fast > state DOWN qlen 500 > link/ether 42:b4:fb:5e:48:05 brd ff:ff:ff:ff:ff:ff > 31: tapb4d4ef2a-ae: <BROADCAST,MULTICAST> mtu 1500 qdisc pfifo_fast > state DOWN qlen 500 > link/ether 9a:03:a6:fc:b2:30 brd ff:ff:ff:ff:ff:ff > 32: tap78dbef47-a5: <BROADCAST,MULTICAST> mtu 1500 qdisc pfifo_fast > state DOWN qlen 500 > link/ether c6:29:cc:f1:bb:53 brd ff:ff:ff:ff:ff:ff > 33: tap1abc032d-e3: <BROADCAST,MULTICAST> mtu 1500 qdisc pfifo_fast > state DOWN qlen 500 > link/ether 1e:c5:b8:19:5f:ba brd ff:ff:ff:ff:ff:ff > 34: tapa52d8c40-61: <BROADCAST,MULTICAST> mtu 1500 qdisc pfifo_fast > state DOWN qlen 500 > link/ether 62:fe:48:04:04:18 brd ff:ff:ff:ff:ff:ff > 95: br-int: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN > link/ether a6:22:56:a0:13:4c brd ff:ff:ff:ff:ff:ff > 108: tap0e74b599-a1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc > pfifo_fast state UP qlen 500 > link/ether 36:42:91:96:44:14 brd ff:ff:ff:ff:ff:ff > inet6 fe80::3442:91ff:fe96:4414/64 scope link > valid_lft forever preferred_lft forever > 109: tap38bea316-b0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc > pfifo_fast state UP qlen 500 > link/ether fa:68:38:20:63:60 brd ff:ff:ff:ff:ff:ff > inet6 fe80::f868:38ff:fe20:6360/64 scope link > valid_lft forever preferred_lft forever > 110: tap0118eb34-42: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc > pfifo_fast state UP qlen 500 > link/ether de:fe:b2:24:cc:0f brd ff:ff:ff:ff:ff:ff > inet6 fe80::dcfe:b2ff:fe24:cc0f/64 scope link > valid_lft forever preferred_lft forever > 111: tap0fb10fc2-62: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc > pfifo_fast state UP qlen 500 > link/ether 92:bf:8b:95:b2:7b brd ff:ff:ff:ff:ff:ff > inet6 fe80::90bf:8bff:fe95:b27b/64 scope link > valid_lft forever preferred_lft forever > 115: br-tun: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN > link/ether 5a:86:d9:8f:14:42 brd ff:ff:ff:ff:ff:ff > > Hope this help. > Thanks! > Suzuki > > On Tue, Sep 4, 2012 at 8:22 PM, Gary Kotton <[email protected]> wrote: >> Hi, >> Just a few more questions: >> 1. Can you send me the results of ps aux |grep dnsmasq >> 2. Can you also please send the ifconfig. The tap devices for also ip >> address. Can you please send me ip addr. (my gut feeling is that we do not >> configure 192.168.30.2 but rather 192.168.10.2. >> Thanks >> Gary >> >> >> On 09/04/2012 12:56 PM, Takaaki Suzuki wrote: >>>> >>>> Can you also please provide sudo ovs-vsctl show? >>> >>> sure. >>> >>> midokura16:~/devstack# ovs-vsctl show >>> d699f1f2-792c-4eb9-8306-32a622316389 >>> Bridge br-tun >>> Port br-tun >>> Interface br-tun >>> type: internal >>> Port patch-int >>> Interface patch-int >>> type: patch >>> options: {peer=patch-tun} >>> Bridge br-int >>> Port "tapee78cf13-65" >>> tag: 4 >>> Interface "tapee78cf13-65" >>> type: internal >>> Port "tap0e74b599-a1" >>> tag: 3 >>> Interface "tap0e74b599-a1" >>> Port "tapc2df9bdf-da" >>> tag: 1 >>> Interface "tapc2df9bdf-da" >>> type: internal >>> Port "tapda44c6f5-b4" >>> tag: 3 >>> Interface "tapda44c6f5-b4" >>> type: internal >>> Port br-int >>> Interface br-int >>> type: internal >>> Port patch-tun >>> Interface patch-tun >>> type: patch >>> options: {peer=patch-int} >>> Port "tap0fb10fc2-62" >>> tag: 2 >>> Interface "tap0fb10fc2-62" >>> Port "tap0118eb34-42" >>> tag: 2 >>> Interface "tap0118eb34-42" >>> Port "tapbd10a19b-a6" >>> tag: 2 >>> Interface "tapbd10a19b-a6" >>> type: internal >>> Port "tap38bea316-b0" >>> tag: 3 >>> Interface "tap38bea316-b0" >>> ovs_version: "1.6.1" >>> >>> Thanks! >>> Suzuki >>> >>> On Tue, Sep 4, 2012 at 6:52 PM, Gary Kotton<[email protected]> wrote: >>>> >>>> On 09/04/2012 12:48 PM, Takaaki Suzuki wrote: >>>>> >>>>> Hi Gary >>>>> >>>>> Thank you for your support. >>>>> I share with you information. >>>> >>>> >>>> Can you also please provide sudo ovs-vsctl show? >>>> >>>> Thanks >>>> Gary >>>> >>>>>> 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 _______________________________________________ Mailing list: https://launchpad.net/~openstack Post to : [email protected] Unsubscribe : https://launchpad.net/~openstack More help : https://help.launchpad.net/ListHelp

