SDN Test Setup

1. Run mul

    sudo ./mul 
   

   This is the mul debug console

2. Log into MUL CLI

    telnet localhost 7000
   

3. [MUL CLI documentation] (https://github.com/openmul/openmul/blob/master/docs/openmul-CLI_GUIDE-basic.pdf)

4. Run mininet

    sudo mn --controller=remote --topo single,2
   

5. [Mininet CLI documentation] (http://mininet.org/walkthrough/#part-3-mininet-command-line-interface-cli-commands)

6. Run wireshark and capture lo0 interface

    sudo wireshark
   

7. Some useful commands:

• Mininet - network with 1 switch and 2 hosts

      sudo mn --controller=remote --topo single,2 -v debug --mac
  

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

       sudo mn --controller=remote --topo linear,2 -v debug --mac
  

• Mininet - check for operation, ping

       xterm h1 h2 s1
       h1 ping h2
       h1 ifconfig
  

• 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 - Setup flows on a wildcard (0.0.0.0/0) or a specific host ip from mul-main config mode. An example:

       (config)#of-flow add switch 0x1 dip 0.0.0.0/0 sip 10.0.0.1/32 proto * 
          tos * dport * sport * smac * dmac * eth-type * vid * vlan-pcp *
          in-port * 
       (config-flow-action)# action-add output 2
       (config-flow-action)# write
       (config-flow-action)# commit
  

  The switch DP-id is available in 'show of-switch all'

       ubuntu# show of-switch all      
       Switch-DP-id    |   State     |  Peer                 | Ports
       -----------------------------------------------------------------------------
       0x00000000003d    connected   127.0.0.1:34824            0        
       0x00000000003e    connected   127.0.0.1:34825            0        
       0x000000000001    registered  127.0.0.1:34794            3        
  

  The port number in 'action-add' command is available in 'show of-switch 0x1 detail'.

       ubuntu# show of-switch 0x1 detail
       -----------------------------------------------------------------------------
       Datapath-id : 0x1
       OFP-Version : 0x1
       Buffers     : 256
       Tables      : 255
       Actions     : 0xfff
       Capabilities: 0xc7(FLOW_STATS TABLE_STATS PORT_STATS QUEUE_STATS ARP_MATCH_IP)
       Num Ports   : 3
       -----------------------------------------------------------------------------
                                     Port info
       -----------------------------------------------------------------------------
       1      s1-eth1    0a:2e:f0:ba:a2:b8  PORT_UP       
       2      s1-eth2    46:4c:a4:b8:eb:cd  PORT_UP       
       65534  s1         16:69:e4:8e:b0:4f  PORT_DOWN     
       ----------------------------------------------------------------------------- 
  

• Mul - View the flow on the switch

       show of-flow switch <dp-id>
  

---

|< < Prev Page| |---------------------------|