Getting ready

Set up your three VMs, preferably using the Vagrantfile at the top of this chapter.

Connect to each box, and then check that from centos1, you can ping centos2 and centos3:

[vagrant@centos1 ~]$ ping 192.168.33.11
PING 192.168.33.11 (192.168.33.11) 56(84) bytes of data.
64 bytes from 192.168.33.11: icmp_seq=1 ttl=64 time=2.54 ms
64 bytes from 192.168.33.11: icmp_seq=2 ttl=64 time=1.09 ms
64 bytes from 192.168.33.11: icmp_seq=3 ttl=64 time=0.929 ms
^C
--- 192.168.33.11 ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2009ms
rtt min/avg/max/mdev = 0.929/1.524/2.548/0.728 ms
[vagrant@centos1 ~]$ ping 192.168.33.12
PING 192.168.33.12 (192.168.33.12) 56(84) bytes of data.
64 bytes from 192.168.33.12: icmp_seq=1 ttl=64 time=0.743 ms
64 bytes from 192.168.33.12: icmp_seq=2 ttl=64 time=1.15 ms
64 bytes from 192.168.33.12: icmp_seq=3 ttl=64 time=1.12 ms
^C
--- 192.168.33.12 ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2015ms
rtt min/avg/max/mdev = 0.743/1.008/1.157/0.187 ms

These are on 192.168.33.11 and 192.168.33.12 if you're using the supplied Vagrantfile.