[pox-dev] NAT with openflow

[Murphy McCauley]

Most recently, I have done this by creating a veth pair where one end is on the OpenFlow datapath.  The other end, therefore, is just like a port to another computer on a LAN; you can do normal Linux IP forwarding between it and your WAN interface, complete with iptables-based NAT.  And if you, for example, run dnsmasq bound to that interface, you can get DNS/DHCP on ports connected to the datapath.

-- Murphy

On May 19, 2013, at 11:37 PM, Shabbir Ahmed wrote:

> thanks,
> 
> I have a tp-link router, I want to add all lan-ports to Datapath and want to use WAN port as controller port(that connects to controller) and use it as wan/nat port for internet browsing for the users connected to WIFI and LAN ports.
> 
> i dont want DHCP and NAT be running through Openflow, daemons like dnsmasq should let me achieve that and iptables, openflow is only used for allowing and blocking or playing with lan traffic.
> 
> thanks,
> Shabbir.

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