[openstack-dev] [neutron] Query about re-directing incoming traffic.
vikschw at gmail.com
Tue Dec 29 10:29:01 UTC 2015
On Tue, Dec 29, 2015 at 3:08 PM, Neil Jerram <Neil.Jerram at metaswitch.com>
> On 28/12/15 16:16, Vikram Choudhary wrote:
> > Hi All,
> > We want to redirect all / some specific incoming traffic to a
> > particular neutron port, where a network function is deployed.
> > [Network function could be DPI, IDS, Firewall, Classifier, etc]. In
> > this regard, we have few queries:
> Isn't that what SFC is? (Service Function Chaining.)
Vikram: Kind-off. SFC chains neutron ports but our requirement is to route
all the incoming traffic to a particular VM port before it can take it's
normal forwarding logic. In other words neutron router got to steer the
traffic to a VM and then to it's normal forwarding behaviour.
An important use-case could be deploying a separate classifier at the
ingress which filters traffic and then route to respective service chains
depending upon some logic [May be SF-ID can be stamped in packet as part of
NSH header or by some other means.]
> > 1. How we can achtieve this?
> > 2. Do we have well-defined NBI's for such use-case?
> > Any thought / suggestion will be appreciated.
> > Thanks
> > Vikram
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