[Openstack] DHCP Request Failed on Ocata

Mohammed Naser mnaser at vexxhost.com
Mon Mar 13 23:37:41 UTC 2017


It causes problems for us so we uninstall and disable it on all compute nodes. 

yum -y remove firewalld

Sent from my iPhone

> On Mar 13, 2017, at 5:58 PM, Georgios Dimitrakakis <giorgis at acmac.uoc.gr> wrote:
> 
> My problem may be due to the "firewalld" service running....
> 
> Has anyone configured OpenStack on CentOS with Firewalld or do you suggest to disable it?
> 
> Best,
> 
> G.
> 
>> On Sat, 11 Mar 2017 21:28:51 +0200, Georgios Dimitrakakis wrote:
>> Hello!
>> 
>> I am trying to setup a new Ocata installation following the official
>> guide but my instances fail to get a DHCP address.
>> 
>> I am using two physical nodes (1x controller and 1x compute) each one
>> with two network interfaces.
>> Compute node can reach the Controller node via the first interface
>> and vice versa.
>> As recommended by the manual the second interface is unnumbered.
>> 
>> When I launch an instance I can see using "tcpdump" that the DHCP
>> request reaches the second (the unnumbered) interface
>> of the compute node but never reaches any other interface either on
>> compute or controller node.
>> 
>> Therefore I am wondering how should the instance get an IP address?
>> What is the correct path that is followed?
>> 
>> I have tried that using both provider and self-service networks and
>> the result is always the same.
>> 
>> 
>> Looking forward for any directions, recommendations etc.
>> 
>> 
>> All the best,
>> 
>> G.
>> 
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> 
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