SDN Test Setup

Run mul
```
 sudo ./mul 
```
This is the mul debug console
Log into MUL CLI
```
 telnet localhost 7000
```
[MUL CLI documentation] (https://github.com/openmul/openmul/blob/master/docs/openmul-CLI_GUIDE-basic.pdf)

Run mininet

 sudo mn --controller=remote,ip=127.0.0.1 --switch ovsk --topo linear,1

[Mininet CLI documentation] (http://mininet.org/walkthrough/#part-3-mininet-command-line-interface-cli-commands)
Run wireshark and capture lo0 interface
```
 sudo wireshark
```
Some useful commands:

Mininet - network with 1 switch and 2 hosts

    sudo mn --controller=remote,ip=127.0.0.1 --switch ovsk 
        --topo single,2 -v debug --mac

Mininet - network with a host per switch (2 switches, 2 hosts)

     sudo mn --controller=remote,ip=127.0.0.1 --switch ovsk 
         --topo linear,2 -v debug --mac

Manually install flows using dpctl

     $ dpctl add-flow tcp:127.0.0.1:6634 in_port=1,actions=output:2
     $ dpctl add-flow tcp:127.0.0.1:6634 in_port=2,actions=output:1

This does not test the controller. However, adding 2 flows to test ping is useful for baseline testing.

Check flows on the switch with dpctl
```
     dpctl dump-flows tcp:127.0.0.1:6634
```
6634 is passive listen port for s1. s2, s3 etc use 6635, 6636 and so on

Mul - Controller configuration mode

     >enable
     #configure terminal
     (config)#mul-conf
     (mul-main)#

Mul - Set a flow on a wildcard (0.0.0.0/0) or a specific host ip from mil-main config mode

     of-flow add switch 0x1 dip 0.0.0.0/0 sip 0.0.0.0/0 proto * tos * 
       dport * sport * smac * dmac * eth-type * vid * vlan-pcp * in-port *

Mul - Add an action after the flow is configured

     (config-flow-action)#  action-add vlan-id 2
     (config-flow-action)# commit

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