VLAN splinters increase kernel and userspace memory overhead, so do
not use them unless they are needed.
</p>
+
+ <p>
+ VLAN splinters do not support 802.1p priority tags. Received
+ priorities will appear to be 0, regardless of their actual values,
+ and priorities on transmitted packets will also be cleared to 0.
+ </p>
</column>
</group>
<p>
Queue 0 is the ``default queue.'' It is used by OpenFlow output
- actions when no specific queue has been set. Ordinarily <ref
- column="queues"/> should include a configuration for queue 0. When no
- configuration for queue 0 is present, a default configuration is used.
+ actions when no specific queue has been set. When no configuration for
+ queue 0 is present, it is automatically configured as if a <ref
+ table="Queue"/> record with empty <ref table="Queue" column="dscp"/>
+ and <ref table="Queue" column="other_config"/> columns had been
+ specified.
(Before version 1.6, Open vSwitch would leave queue 0 unconfigured in
this case. With some queuing disciplines, this dropped all packets
destined for the default queue.)