[openstack-dev] [Neutron] fixed ip info shown for port even when dhcp is disabled

Pasquale Porreca pasquale.porreca at dektech.com.au
Tue Dec 16 12:30:18 UTC 2014


I understood and I agree that assigning the ip address to the port is
not a bug, however showing it to the user, at least in Horizon dashboard
where it pops up in the main instance screen without a specific search,
can be very confusing.

On 12/16/14 12:25, Salvatore Orlando wrote:
> In Neutron IP address management and distribution are separated concepts.
> IP addresses are assigned to ports even when DHCP is disabled. That IP
> address is indeed used to configure anti-spoofing rules and security groups.
> 
> It is however understandable that one wonders why an IP address is assigned
> to a port if there is no DHCP server to communicate that address. Operators
> might decide to use different tools to ensure the IP address is then
> assigned to the instance's ports. On XenServer for instance one could use a
> guest agent reading network configuration from XenStore; as another
> example, older versions of Openstack used to inject network configuration
> into the instance file system; I reckon that today's configdrive might also
> be used to configure instance's networking.
> 
> Summarising I don't think this is a bug. Nevertheless if you have any idea
> regarding improvements on the API UX feel free to file a bug report.
> 
> Salvatore
> 
> On 16 December 2014 at 10:41, Pasquale Porreca <
> pasquale.porreca at dektech.com.au> wrote:
>>
>> Is there a specific reason for which a fixed ip is bound to a port on a
>> subnet where dhcp is disabled? it is confusing to have this info shown
>> when the instance doesn't have actually an ip on that port.
>> Should I fill a bug report, or is this a wanted behavior?
>>
>> --
>> Pasquale Porreca
>>
>> DEK Technologies
>> Via dei Castelli Romani, 22
>> 00040 Pomezia (Roma)
>>
>> Mobile +39 3394823805
>> Skype paskporr
>>
>> _______________________________________________
>> OpenStack-dev mailing list
>> OpenStack-dev at lists.openstack.org
>> http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev
>>
> 
> 
> 
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-- 
Pasquale Porreca

DEK Technologies
Via dei Castelli Romani, 22
00040 Pomezia (Roma)

Mobile +39 3394823805
Skype paskporr



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