Changes between Version 104 and Version 105 of GENIExperimenter/Tutorials/OpenFlowOVS/Execute


Ignore:
Timestamp:
11/05/14 14:23:52 (5 years ago)
Author:
rrhain@bbn.com
Comment:

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  • GENIExperimenter/Tutorials/OpenFlowOVS/Execute

    v104 v105  
    167167  You should see at least two table entries: One for ICMP Echo (icmp_code=8) messages from host1 to host2 and one for ICMP Echo Reply (icmp_code=0) messages from host2 to host1.  You may also see flow entries for arp packets.
    168168
    169   6. To see messages go between your switch and your controller (listening on port 6633 of your localhost), open a new ssh window to your controller node and run tcpdump on the `eth0` interface:
    170   {{{
    171   sudo tcpdump -i eth0 'port 6633'
     169  6. To see messages go between your switch and your controller, open a new ssh window to your controller node and run tcpdump on the `eth0` interface and on the tcp port that your controller is listening on usually 6633:
     170  {{{
     171  sudo tcpdump -i eth0 tcp port 6633
    172172  }}}
    173173  You will see (1) periodic keepalive messages being exchanged by the switch and the controller, (2) messages from the switch to the controller (e.g. when there is a table miss) and an ICMP Echo message in, and (3) messages from the controller to the switch (e.g. to install new flow entries).