Pi-hole installed successfully, but doesn't work

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Expected Behaviour:

[After install, I would have expected to go to a device add dns and it would work and display the ads blocked on Dashboard ]

Actual Behaviour:

[After install, and adding the dns to my device nothing was being blocked, the Dashboard showed 0]

Debug Token:

[Your debug token is: https://tricorder.pi-hole.net/7n1ej428ev]

Your debug log shows your Pi-hole machine lacks network connectivity completely:

*** [ DIAGNOSING ]: Networking
[✗] No IPv4 address(es) found on the eth0 interface.
[✗] No IPv6 address(es) found on the eth0 interface.

[i] Default IPv4 gateway:
[✗] Gateway did not respond.

Thanks!!! I saw that when I ran the diagnostic... but I figured that I was.. b/c ping was working... so I just connected the Ethernet cable.. and I was rocking and rolling!! Thanks for responding