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Check the dhcp-agent logs especially when you force a dhcp renew on these instances.
Meanwhile, use tcpdump with:
`tcpdump -i ROUTER-INTERFACE -vvv -s 1500 '((port 67 or port 68) and (udp[8:1] = 0x1))'`

if you want to check the DHCP paquets for a particular instance, get its mac and:
`tcpdump -i ROUTER-INTERFACE  -vvv -s 1500 '((port 67 or port 68) and (udp[38:4] = 0xMAC-ADDR))'`


Razique
On 18 Nov 2013, at 10:10, Martinx - ジェームズ wrote:

> Okay... I'm calm...   :-P
>
> This is the second time I'm seeing this with Havana.
>
> Compute Node reboots, lots of Instances doesn't get its IP anymore, look:
>
> ---
> cloud-init start-local running: Mon, 18 Nov 2013 16:34:06 +0000. up 18.19
> seconds
> no instance data found in start-local
> cloud-init-nonet waiting 120 seconds for a network device.
> cloud-init-nonet gave up waiting for a network device.
> ci-info: lo    : 1 127.0.0.1       255.0.0.0       .
> ci-info: eth0  : 1 .               .               fa:16:3e:a2:71:74
> route_info failed
> Waiting for network configuration...
> Waiting up to 60 more seconds for network configuration...
> Booting system without full network configuration...
> ---
>
> New Instances that I launch right now, get its IP normally.
>
> The only way to put the website online again now is: take a snapshot of a
> Instance without IP, launch a new instance based on that image, voialá!
> Instance gets its IP again... But this is non-viable.
>
> I appreciate any help!
>
> Tks!
> Thiago
>
>
> On 18 November 2013 15:35, Razique Mahroua <razique.mahroua at gmail.com>wrote:
>
>> Hey Martin :)
>> On 18 Nov 2013, at 8:40, Martinx - ジェームズ wrote:
>>
>>> Guys,
>>>
>>> My Havana (Ubuntu based) Compute Node was restarted and lots of Instances
>>> does not get an IP anymore.
>>>
>>> Tips?!
>> Stay clam
>>
>>>
>>> It is ramdom, I mean, some instances of this same compute node are
>> normal,
>>> while others have no IP.
>> Are you reffering to the private IPs pool or the public. When you say
>> "don't have", you mean they don't get allocated or the instances (DHCP? )
>> don't retrieve it?
>>
>>>
>>> I really need help here because my client's web site is completely off
>> line
>>> now...
>>>
>>> I'm using Per-Tenant router with private networks + VXLAN.
>>>
>>> Tks!
>>> Thiago
>>> _______________________________________________
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>>> Post to     : openstack at lists.openstack.org
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