<PARAMS>
    <testcases>1,2,21,21,3,4,5,6,7</testcases>
    <FLOWDEF>~/flowdef_files/Center_Triangle/flowdef_20.txt</FLOWDEF>
    <CASE1>       
        <destination>h6</destination>
    </CASE1>       
    <PING>
        <source1>h6</source1>
        <target1>h31</target1>
        <source2>h8</source2>
        <target2>h33</target2>
    </PING>
    <LINK>
        <begin>s1</begin>
        <end>s2</end>
    </LINK>
    <CTRL>
        <ip1>10.128.100.1</ip1>
        <port1>6633</port1>
        <ip2>10.128.100.4</ip2>
        <port2>6633</port2>
        <ip3>10.128.100.5</ip3>
        <port3>6633</port3>
        <ip4>10.128.100.6</ip4>
        <port4>6633</port4>
    </CTRL>
    <RestIP> 10.128.100.1 </RestIP>
    <NR_Switches>25</NR_Switches>
    <NR_Links>50</NR_Links>
</PARAMS>