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But, why this would happen while other networks are working fine ?

How I can re-enable it ??

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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