Source NAT with DHCP

This is a SDN application project that Source NAT and DHCP Server implementation in Ryu controller.

NOTE: DHCP server application is not working on Windows clients. Linux clients are all fine.

Testing on Platform

• Pica8 P-3290 with PicOS

admin@PicOS-OVS$version
Copyright (C) 2009-2014 Pica8, Inc.
===================================
Hardware Model                : P3290
Linux System Version/Revision : 2.6.5/24714
Linux System Released Date    : 02/22/2016
L2/L3 Version/Revision        : 2.6.5/24714
L2/L3 Released Date           : 02/22/2016
OVS/OF Version/Revision       : 2.6.5/24714
OVS/OF Released Date          : 02/22/2016

• OpenvSwitch version

admin@PicOS-OVS$ovs-ofctl --version
ovs-ofctl (Open vSwitch) 2.3.0
Compiled Feb 22 2016 16:47:11
OpenFlow versions 0x1:0x4

Usage

Source NAT use port 1 as WAN port by default.

$ ryu-manager base.py l2switch.py dhcp.py snat.py --verbose

Northbound API

Ryu web server is running on http://localhost:8080/

Initialize

HTTP Request

POST /api/nat_config_init

This will initialize NAT configuration

Note: Please modify default settings in nat_config_init method to fit your requirements

Request

POST /api/nat_config_init HTTP/1.1

{}

Response 200

Update

HTTP Request

POST /api/nat_config_init

This will update NAT configuration

Request

PUT /api/nat_config_save

{
  "wanPort": 1,
  "publicIP": "140.114.xxx.xxx",
  "defultGateway": "140.114.xxx.254",
  "natPrivateNetwork": "192.168.2.0"
}

Response 200

License

MIT © Che-Wei Lin