Open Stack

On 01/02/2014 11:34 PM, Li, Chen wrote:
> But, why this would happen while other networks are working fine ?
> 
> How I can re-enable it ??
ip netns exec qdhcp-d250b6d9-0077-41ae-88e1-8736dfd0e165 ip link set dev
ns-8d8fdae7-1f up


> 
> I tried 1. stop the dhcp-agent and 2. delete the namespace, but after dhcp-agent restart, it issue is still there.
> 
> 
> Thanks.
> -chen
> 
> -----Original Message-----
> From: gustavo panizzo <gfa> [mailto:gfa at zumbi.com.ar] 
> Sent: Friday, January 03, 2014 10:31 AM
> To: Li, Chen; Remo Mattei; openstack at lists.openstack.org
> Subject: Re: [Openstack] dhcp agent issue when working with ovs vxlan
> 
> the state of your device ns-8d8fdae7-1f is DOWN
> 
> if that is the interface for your dhcp server it won't traffic any pkgs
> 
> last 2 lines you mention are ipv6 address for thar interface
> 
> "Li, Chen" <chen.li at intel.com> wrote:
>> Under the network namespace, I can get:
>> ip netns exec qdhcp-d250b6d9-0077-41ae-88e1-8736dfd0e165 ip addr
>> 16: 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
>> 17: ns-8d8fdae7-1f: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state 
>> DOWN qlen 1000
>>    link/ether a6:5d:85:93:8d:62 brd ff:ff:ff:ff:ff:ff
>>    inet 30.1.100.3/24 brd 30.1.100.255 scope global ns-8d8fdae7-1f
>>
>>
>> But, a normal work network should looks like:
>> ip netns exec qdhcp-1314f7bb-9b52-4db8-a677-a751e52aad0e ip addr
>> 21: 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
>> 22: ns-45bfc42b-93: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc 
>> pfifo_fast state UP qlen 1000
>>    link/ether fa:16:3e:b0:33:b6 brd ff:ff:ff:ff:ff:ff
>>    inet 20.1.100.3/24 brd 20.1.100.255 scope global ns-45bfc42b-93
>>    inet6 fe80::f816:3eff:feb0:33b6/64 scope link
>>       valid_lft forever preferred_lft forever
>>
>>
>> I don’t know why the last two line is missing…….
>> Why the interface is not recognized ???
>>
>>
>> Thanks.
>> -chen
>>
>> From: Li, Chen [mailto:chen.li at intel.com]
>> Sent: Friday, January 03, 2014 9:13 AM
>> To: Remo Mattei; openstack at lists.openstack.org
>> Subject: Re: [Openstack] dhcp agent issue when working with ovs vxlan
>>
>> Can you explain more ???
>> I don’t understand.
>>
>> Thanks.
>> -chen
>>
>>
>> From: Remo Mattei [mailto:Remo at Mattei.co]
>> Sent: Thursday, January 02, 2014 11:23 PM
>> To:
>> openstack at lists.openstack.org<mailto:openstack at lists.openstack.org>;
>> Li, Chen
>> Subject: Re: [Openstack] dhcp agent issue when working with ovs vxlan
>>
>> Hi Chen,
>>
>> looks like your interface is not recognized, I would check and make 
>> sure you can set a static ip and ping out to start troubleshooting.
>>
>> --
>> Remo Mattei
>> ________________________________
>> Da: Li, Chen Li, Chen<mailto:chen.li at intel.com>
>> Rispondi: Li, Chen chen.li at intel.com<mailto:chen.li at intel.com>
>> Data: January 1, 2014 at 23:18:49
>> A: openstack at lists.openstack.org<mailto:openstack at lists.openstack.org>
>> openstack at lists.openstack.org<mailto:openstack at lists.openstack.org>
>> Oggetto:  [Openstack] dhcp agent issue when working with ovs vxlan 
>> 'RTNETLINK answers: No such
>>
>>
>> -----------------------------------------------------------------------
>> -
>>
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> 
> --
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