There is a mistake in this video : subnetting Skills Challenge part 3. When configuring the static route for router number 2, you used the networks 172.20.0.0/22, 172.20.32.0/22, 172.20.64.0/22, 172.20.96.0/22, instead of 172.20.0.0/22, 172.20.4.0/22, 172.20.8.0/22 and 172.20.12.0/22.........But ...
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