Pining broadcast IP
At this point, both VMs have same network adapter name, eno16777736, but MAC address is different:
vm1.example.com = MAC 00 :0C :29 :81 :CD :CC vm2.example.com = MAC 00 :0C :29 :9C :EE :6C The vm1 and vm2 IPs are 192.168.0.43 and 192.168.0.43 44. When pinging broadcast IP, 192.168.0.255, from vm2 (192.168.0.44), I get response from 192.168.0.XXX where XXX is not 43 or 44. Why am I not getting a response back from 192.168.0.43 (vm1) if I ping from 192.168.0.44 (vm2)? How do I know which VM is responding since they both have same first three digits, "192.168.0.", and thus their broadcast IPs are same also? Thank you. |
The response should be the IP address of the device as far as I know. I don't know how your network or your VMs are configured but check to see if /proc/sys/net/ipv4/icmp_echo_ignore_broadcasts is enabled i.e 1. If so and all of mine computers seem to be a 1 so they do not respond. I assume you are pinging using the bolow command.
ping -b 192.168.0.255 |
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