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[Mark McClain <mark.mcclain@xxxxxxxxxxxxx>]

Robert-

Yes the tag setting should be in the opts file.  What version of dnsmasq are you running?  Also can you get a tcpdump of the DHCP traffic? 
(tcpdump -vvv -n -i <dhcp interface> port 67 or port 68)

Thanks,
 
mark


On Nov 30, 2012, at 4:31 AM, Robert van Leeuwen <Robert.vanLeeuwen@xxxxxxxxxxxxx> wrote:

> Hi,
> 
> I'm having some trouble with getting a specified default route to the clients with Quantum, DHCP, dnsmasq and bridge mappings.
> The DHCP config is created, the opts file has the following content:
> tag:tag0,option:router,10.0.0.1
> 
> However, the tag option seems to prevent this from working.
> The client get the IP of the dhcp server as the default route in stead of the config from the opts file.
> (the quantum bridge mapping and dhcp itself work fine)
> When I manually remove the "tag:tag0" from the opts file it starts working correctly.
> 
> Any clue what could be going on?
> Does the tag setting belong in the opt file and if so, what could be preventing the gateway address from propagating to the client?
> 
> The setup is as follows:
> * Quantum, bridge_mapping, Namespaces disabled
> * Runs on Folsom, Scientific Linux 6.3 with openvswitch 1.7.1 kernel module
> 
> * quantum net-show
> +---------------------------+--------------------------------------+
> | Field                     | Value                                |
> +---------------------------+--------------------------------------+
> | admin_state_up            | True                                 |
> | id                        | 3921b212-4c67-4dd7-ae5f-dd2709e183ab |
> | name                      | Physical_Nova_Segment                |
> | provider:network_type     | vlan                                 |
> | provider:physical_network | default                              |
> | provider:segmentation_id  | 20                                   |
> | router:external           | False                                |
> | shared                    | True                                 |
> | status                    | ACTIVE                               |
> | subnets                   | eb98af42-27d4-4709-b0fd-1695d65e4a26 |
> | tenant_id                 | d4b773abd5204531819a29f909f5c653     |
> +---------------------------+--------------------------------------+
> 
> * quantum subnet-show
> +------------------+----------------------------------------------------+
> | Field            | Value                                              |
> +------------------+----------------------------------------------------+
> | allocation_pools | {"start": "10.0.1.100", "end": "10.0.1.200"} |
> | cidr             | 10.0.1.0/24                                     |
> | dns_nameservers  |                                                    |
> | enable_dhcp      | True                                              |
> | gateway_ip       | 10.0.1.1                                      |
> | host_routes      |                                                    |
> | id               | eb98af42-27d4-4709-b0fd-1695d65e4a26               |
> | ip_version       | 4                                                  |
> | name             | Nova network                                       |
> | network_id       | 3921b212-4c67-4dd7-ae5f-dd2709e183ab               |
> | tenant_id        | d4b773abd5204531819a29f909f5c653                   |
> +------------------+----------------------------------------------------+
> 
> * quantum.conf:
> [DEFAULT]
> verbose = True
> debug = False
> use_syslog= True
> syslog_log_facility= LOG_LOCAL1
> 
> bind_host = 0.0.0.0
> bind_port = 9696
> core_plugin = quantum.plugins.openvswitch.ovs_quantum_plugin.OVSQuantumPluginV2
> api_paste_config = api-paste.ini
> auth_strategy = keystone
> allow_overlapping_ips = False
> rpc_backend = quantum.openstack.common.rpc.impl_kombu
> control_exchange = quantum
> rabbit_host = rabbit.local
> notification_driver = quantum.openstack.common.notifier.list_notifier
> list_notifier_drivers = quantum.openstack.common.notifier.rabbit_notifier
> [QUOTAS]
> 
> * dhcp_agent.ini:
> [DEFAULT]
> debug = False
> state_path = /var/lib/quantum
> interface_driver = quantum.agent.linux.interface.OVSInterfaceDriver
> dhcp_driver = quantum.agent.linux.dhcp.Dnsmasq
> use_namespaces = False
> root_helper = sudo quantum-rootwrap /etc/quantum/rootwrap.conf
> 
> 
> Thanks,
> Robert van Leeuwen
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