[openstack-dev] [Neutron] virtual machine can not get DHCP lease due packet has no checksum

Miguel Ángel Ajo majopela at redhat.com
Tue Jun 2 11:45:55 UTC 2015


Ooook, fully understood now. Thanks Ihar & Ian for the clarification :)


Miguel Ángel Ajo


On Tuesday, 2 de June de 2015 at 13:33, Ihar Hrachyshka wrote:

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> On 06/02/2015 10:10 AM, Miguel Ángel Ajo wrote:
> > The backport seems reasonable IMO.
> >  
> > Is this tested in a multihost environment?.
> >  
> > I ask, because given the Ian explanation (which probably I got
> > wrong), the issue is in the NET->NIC->VM path while the patch fixes
> > the path in the network node (this is ran in the dhcp agent).
> > dhcp->NIC->NET.
> >  
>  
>  
> If a packet goes out of your real NIC, then it gets a proper checksum
> attached. So the issue is single host only.
>  
> Ihar
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