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

Ihar Hrachyshka ihrachys at redhat.com
Tue Jun 2 11:33:55 UTC 2015


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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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