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=== Confirming Existing Network Connections ===
Before proceeding with iptables, we should first verify that your '''host machine ''' and '''vms ''' can connect with each other. We can also take the opportunity to record some observations which could be used for future labs.<br><br>
'''Perform the Following Steps:'''
# Find the ''MAC address'' of the virtual network device on your '''host machine ''' and the ''IP address'' assigned to it. Record this information in your lab log book.# Launch all three of your '''VMs'''.# For each '''VM''':
#* Login as root.
#* Find the MAC address of the '''virtual NIC''' and the IP address assigned to it. Record this information on your lab log book.
# Change to your '''host machine''', open a terminal window, and perform the following connectivity tests for each vm:<br><br>
<source lang="bash">
ping -c 1 [ip-of-vm]