[openstack-dev] [Openstack][nova][Neutron] Launch VM with multiple Ethernet interfaces with I.P. of single subnet.

CARVER, PAUL pc2929 at att.com
Thu Apr 17 12:37:21 UTC 2014


Aaron Rosen wrote:

>Sorry not really. It's still not clear to me why multiple nics would be required on the same L2 domain.

I’m a fan of this old paper for nostalgic reasons http://static.usenix.org/legacy/publications/library/proceedings/neta99/full_papers/limoncelli/limoncelli.pdf but a search for transparent or bridging firewall turns up tons of hits.

Whether any of them are valid use cases for OpenStack is something that we could debate, but the general concept of putting two firewall interfaces into the same L2 domain and using it to control traffic flow between different hosts on the same L2 domain has at least five years of history behind it.

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