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hi,

I did'nt knew your were trying linux-bridge , i just saw the error in
l3-agent.ini.
In case of linux bridge have you specified these two parameters in
l3-agent.ini

*Linux Bridge*
interface_driver ($NEUTRON_CONF_DIR/l3_agent.ini)
neutron.agent.linux.interface.BridgeInterfaceDriver external_network_bridge
($NEUTRON_CONF_DIR/l3_agent.ini) This field must be empty (or the bridge
name for the external network).

Can you paste your conf files of quantum.


On Wed, Aug 7, 2013 at 5:19 PM, Kevin Tibi <kodokuu at gmail.com> wrote:

> Hi, thank you for the answer,
>
> So, for br-ex the tutorial never mentions it so I do not understand why I
> have this error. I dont use ovs, just linux bridge.
>
>
> 2013/8/7 Ritesh Nanda <riteshnanda09 at gmail.com>
>
>> hello kevin ,
>>
>> Log shows it is not able to  get br-ex interface , did you created this
>> interface , as we need to create this interface manually by runnig this
>> command
>>
>> sudo ovs-vsctl add-br br-ex
>> $ sudo ovs-vsctl add-port br-ex <external interface>
>>
>> Please verify this interface using ovs-vsctl show , it would show like this
>>
>> Bridge br-ex
>>         Port "eth2"(in my case this is the external interface)
>>
>>
>>             Interface "eth2"
>>         Port "qg-e2df07f2-81"
>>             Interface "qg-e2df07f2-81"
>>                 type: internal
>>         Port "qg-0ed547e2-8f"
>>             Interface "qg-0ed547e2-8f"
>>
>>
>>                 type: internal
>>         Port br-ex
>>             Interface br-ex
>>                 type: internal
>>
>>
>>
>>
>> On Wed, Aug 7, 2013 at 2:35 PM, Kevin Tibi <kodokuu at gmail.com> wrote:
>>
>>> Hello,
>>>
>>> I have problems with a single node platform.
>>> I followed this tutorial:
>>> https://github.com/mseknibilel/OpenStack-Grizzly-Install-Guide/blob/master/OpenStack_Grizzly_Install_Guide.rst
>>>
>>> I can not ping my VMs. I can ping the router and dhcp. As against the
>>> dhcp can not ping the router and VMS. but Vm can ping DHCP serveur in logs.
>>>
>>> I think i have a probleme with linux bridge.
>>>
>>> Thx,
>>>
>>> Kevin.
>>>
>>> ----------------------------------
>>> /var/log/quantum/l3-agent.log:2013-08-06 17:17:49    ERROR
>>> [quantum.agent.l3_agent] The external network bridge 'br-ex' does not exist
>>>
>>> -------------------------------------
>>> root at openstack:/home/openstack# brctl show
>>> bridge name     bridge id               STP enabled     interfaces
>>> brq486fec60-0b          8000.3a6f4e3444d2       no
>>>  tap483bab99-5a
>>>                                                         tap9dab335c-ba
>>>
>>> ----------------------------
>>> root at openstack:/home/openstack# ip netns
>>> qdhcp-486fec60-0b16-4e57-8b20-2ba20082578c
>>>
>>> ----------------------------
>>> log VM :
>>>
>>> ### route n
>>> Kernel IP routing table
>>> Destination     Gateway         Genmask         Flags Metric Ref    Use Iface
>>> 0.0.0.0         50.50.1.1       0.0.0.0         UG    0      0        0 eth0
>>> 50.50.1.0       0.0.0.0         255.255.255.0   U     0      0        0 eth0
>>> ### cat /etc/resolv.conf
>>> search openstacklocal
>>> nameserver 50.50.1.2
>>> ### ping c 5 50.50.1.1
>>> PING 50.50.1.1 (50.50.1.1): 56 data bytes
>>>
>>>  50.50.1.1 ping statistics
>>> 5 packets transmitted, 0 packets received, 100% packet loss
>>> ### pinging nameservers
>>> #### ping c 5 50.50.1.2
>>> PING 50.50.1.2 (50.50.1.2): 56 data bytes
>>> 64 bytes from 50.50.1.2: seq=0 ttl=64 time=0.358 ms
>>>
>>> ===== cloudfinal: system completely up in 126.94 seconds ====
>>> wget: can't connect to remote host (169.254.169.254): No route to host
>>>
>>>
>>> _______________________________________________
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>>>
>>>
>>
>>
>> --
>>
>> * With Regards
>> *
>>
>> * Ritesh Nanda
>> *
>>
>> ***
>> *
>> <http://www.ericsson.com/>
>>
>>
>>
>>
>


-- 

* With Regards
*

* Ritesh Nanda
*

***
*
<http://www.ericsson.com/>
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