When instances can't get IP from DHCP.
On network node, I can observed the DHCP request can be received, but it
complains can't reach the ICMP host :
tcpdump -i eth4
14:31:51.314974 IP 192.101.11.102 > 192.101.11.201: GREv0, key=0x1, length
350: IP 0.0.0.0.bootpc > 255.255.255.255.bootps: BOOTP/DHCP, Request from
fa:16:3e:73:dc:7a (oui Unknown), length 300
14:31:51.315028 IP 192.101.11.201 > 192.101.11.102: ICMP host
192.101.11.201 unreachable - admin prohibited, length 378
Anyone know why ???
Thanks.
-chen
-----Original Message-----
From: Mārtiņš Jakubovičs [mailto:mart...@hostnet.lv]
Sent: Friday, January 03, 2014 3:44 PM
To: Remo Mattei; Li, Chen
Cc: openstack@lists.openstack.org
Subject: Re: [Openstack] can't get IP when I working with ml2 + GRE
Hello Remo,
Yes, in test purposes I disabled iptable rules in all nodes and in hypervisor.
On 2014.01.03. 4:11, Remo Mattei wrote:
> Are you sure your iptables is not blocking anything?
>
> Inviato da iPhone ()
>
>> Il giorno Jan 2, 2014, alle ore 17:07, "Li, Chen" <chen...@intel.com> ha
>> scritto:
>>
>>
>> 2.6.32-358.111.1.openstack.el6.x86_64
>>
>> Thanks.
>> -chen
>>
>> -----Original Message-----
>> From: Mārtiņš Jakubovičs [mailto:mart...@hostnet.lv]
>> Sent: Thursday, January 02, 2014 5:35 PM
>> To: openstack@lists.openstack.org
>> Subject: Re: [Openstack] can't get IP when I working with ml2 + GRE
>>
>> Hello Li,
>>
>> I have similar issue, unfortunately I use Ubuntu system on my network node.
>> When I manualy setup IP in instance, network works, but when I setup to use
>> DHCP, it fails to assign IP. Which kernel you got before?
>>
>>> On 2014.01.02. 7:03, Li, Chen wrote:
>>> After upgrade network node's kernel to
>>> 2.6.32-358.123.2.openstack.el6.x86_64, the issue looks gone.
>>>
>>> Thanks.
>>> -chen
>>>
>>> -----Original Message-----
>>> From: Li, Chen [mailto:chen...@intel.com]
>>> Sent: Thursday, January 02, 2014 9:12 AM
>>> To: Dnsbed Ops; openstack@lists.openstack.org
>>> Subject: Re: [Openstack] can't get IP when I working with ml2 + GRE
>>>
>>> Yes, DHCP is enabled, and I can see IP is already in
>>> /var/lib/neutron/dhcp/${net_id}/ host
>>>
>>> Thanks.
>>> -chen
>>>
>>> -----Original Message-----
>>> From: Dnsbed Ops [mailto:o...@dnsbed.com]
>>> Sent: Monday, December 30, 2013 6:21 PM
>>> To: openstack@lists.openstack.org
>>> Subject: Re: [Openstack] can't get IP when I working with ml2 + GRE
>>>
>>>> On 2013-12-30 14:50, Li, Chen wrote:
>>>> I created a gre network and booted a instance successfully.
>>>> No error can be found in log.
>>>> But, my instance can't get IP from dhcp agent.
>>>>
>>>> Anyone know why this happen ??????
>>> We run GRE + OVS + Neutron, the dhcp works well.
>>> Are you sure dhcp is enabled?
>>> for neutron it is:
>>>
>>> $ neutron port-list -c id -c device_owner
>>>
>>> And we see a line like:
>>>
>>> | e422bb05-3f51-45f1-b688-a1d9c20f197c | network:dhcp
>>>
>>> This means at least dhcp has been running there.
>>>
>>> Regards.
>>>
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