> For the complete documentation index, see [llms.txt](https://yeasy.gitbook.io/openstack_code_neutron/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://yeasy.gitbook.io/openstack_code_neutron/neutron/db/extensions/l3_dvr_dbpy.md).

# l3\_dvr\_db.py

定义了类L3\_NAT\_with\_dvr\_db\_mixin，对DVR进行支持。