Exercises dc: Difference between revisions

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** $ h1 ping h8 (Q: What do you observe?)
** $ h1 ping h8 (Q: What do you observe?)


* (40P) Create your own simple tree
* (40P) Create your own simple tree (binary, i.e. each node will connect to two nodes below it)
** copy dcsimple.py ([https://dl.dropboxusercontent.com/u/1652374/SDN_course_WS2015-2016/Exercises/Ex1/dcsimple.py]) to mininet/custom/
** copy dcsimple.py ([https://dl.dropboxusercontent.com/u/1652374/SDN_course_WS2015-2016/Exercises/Ex1/dcsimple.py]) to mininet/custom/
** modify dcsimple.py to create hosts, switches and connections for a three level tree
** modify dcsimple.py to create hosts, switches and connections for a three level tree

Revision as of 12:26, 21 March 2016

Exercise I: Data Centers

  • (30P) Warmup (simple Tree) ($ => commands on VM, > => commands on mininet/pox, Q => Question)
    • $ sudo mn --topo tree,3 --mac --arp --switch ovsk --controller remote
    • $ h1 ping h8 (Q: What do you observe?)
    • $ ./pox/pox.py
    • $ h1 ping h8 (Q: What do you observe?)
    • $ ./pox/pox.py samples.spanning_tree
    • $ h1 ping h8 (Q: What do you observe?)
  • (40P) Create your own simple tree (binary, i.e. each node will connect to two nodes below it)
    • copy dcsimple.py ([1]) to mininet/custom/
    • modify dcsimple.py to create hosts, switches and connections for a three level tree
    • $ sudo mn –-custom dcsimple.py -–topo simple
    • Check with ping
  • (30P) Create your own Fattree
    • copy dcfat.py ([2]) to mininet/custom/
    • modify dcfat.py to create a fat tree (level 0: so & s1, level 1: s2 & s3, level 2: s4, s5, s6, s7, Level 3: Hosts)
    • $ sudo mn –-custom dcfat.py -–topo fat
    • check with ping
    • $ sudo mn –-custom dcfat.py -–topo fat --controller remote
    • $ ./pox/pox.py samples.spanning_tree
    • check with ping