The Salacia forwarder

This is packet forwarder with Linux raw socket.
Currently, support only Layer 2, but this will be multi layer switch in future.

Features

• Layer 2 switching
• VLAN tagging(test version)

Roadmap

• support Layer 3 switching (Rounting for connected network)
• support static routing
• support RIPv2 (Dynamic Routing Protocol)

How to use

1. Download

$ git clone https://github.com/kamaboko123/salacia-forwarder.git

2. Build, Run

L2SW(no VLAN)

$ cd salacia-forwarder/L2SW
$ make
$ ./bin/l2sw enp3s0 enp4s0

You need to specify interfaces as argument.
The interfaces is need to set promiscuous mode.
Example:

$ ifconfig enp3s0 promisc
$ ifconfig enp4s0 promisc

L2SW with VLAN(test version)

VLAN function is supported as test implementation.
Currently, configuration is only supported by hardcode.
You need to configuration by edit source code.

$ cd salacia-forwarder/forwarder/test/vlan_switch
# Please edit source code for your environment
$ vim vlan_switch.cpp
$ make
$ bin/switch

Limitation

This forwarder is not tested in except develop enviroment.
Especially, this is not support big endian CPU.
(Probably, this work with intel CPU.)

Develop environment

• CPU : intel J1900
• RAM : DDR3 4GB
• OS : Ubuntu 16.04