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#  the tcpdump's result should contain that three packets.
#  the tcpdump's result should contain that three packets.
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[[Category:Virtualization XenDomU Test Cases|Guest install]]
[[Category:Virtualization_Networking_Test_Cases]]

Revision as of 10:01, 8 April 2010

Description

This test is intended to test multicast on virtual machine


How to test

  1. boot a virtual machine
  2. log into this virtual machine, and join it three multicast groups 
    

    ip maddr add 01:00:5e:c0:01:64 eth0
    

    ip maddr add 02:00:5e:c0:01:64 eth0
    

    ip maddr add 03:00:00:00:40:00 eth0
    

    

    01:00:5e:c0:01:64 is a IP Multicast macaddress
    

    02:00:5e:c0:01:64 is a General macaddress
    

    03:00:00:00:40:00 is a Lan Manage Multicast mac address
    

    3. 

  3. listen the multicast packets using tcpdump on this virtual machine
    tcpdump -ep ether multicast 2>/dev/null |tee /tmp/multicast.tmp 1>/dev/null
    4. 

  4. produce three random date packets and send to three multicast macaddress on host

    

    packet1 --> 01:00:5e:c0:01:64
    

    packet2 --> 02:00:5e:c0:01:64
    

    packet3 --> 03:00:00:00:40:00
    

    5. 

  5. sleep 20 seconds, and kill tcpdump processer in the virtual machine
    6. 

  6. copy the tcpdump result to host, and check if the tcpdump's result contains that three packets.
    grep content[i] /tmp/multicast.tmp



Expected Results


  1. the tcpdump's result should contain that three packets.
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