Bug closed due to lack of activity, please feel free to reopen if
needed.
** Changed in: neutron
Status: New => Won't Fix
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https://bugs.launchpad.net/bugs/1745159
Title:
macvtap agent: wrong vif details when instance is launched on vlan and
flat network
Status in neutron:
Won't Fix
Bug description:
It's bug in the macvtap mechanism driver.
If multiple network types are used with the macvtap driver, e.g. flat
and vlan, the vif_details can contain an invalid vif_detail attribute
'vlan'. This leads to nova configuring the macvtap with a vlan, even
though flat should be used!
The reason for this is, that the vif_details are supposed to be the same for
all ports managed by a mechanism driver. Due to that they are stored as
instance variables. However they are not with macvtap. In the vlan case, the
vlan, which is stored in the vif_details, of course depends on the network. It
might be a different for port A than for port B. The problem is, that the
driver is always updating the global vif_dict, but instead of it should operate
on a local copy. Now if first a vlan port is processed and after that a flat
port, the vlan vif_detail is still stored in the mechanism drivers global
vif_details. A flat port becomes a vlan port.
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