how to configure OSPF on a PT router?
So I have this network and I have gotten to the very end and it seems like no matter how I change R4 I am unable to get the devices the ping the DNS server or get outside of the network. Could someone tell me what I'm doing wrong? This is for the second subnetting lab and third PT in the online course I am taking so I am proud that I did the other labs with less help.

Thanks guys. Here's a link to the PT:

UPDATE: Made some changes to the PT file. I think I'm a little bit closer now but its still not working.

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