Hi Everyone - I have had a really hard time with lab 17 today. I could not get ospf over the dmvpn to stabilize at all. I have been trying for 6 hours.... It just flaps up and down and I don't get any routes between R2, R4, R5 and R6 - which renders the whole lab useless. Has anyone had the same issue? I have tried adjusting the serial interfaces and allowing broadcast etc, but ospf comes up for 5 mins then goes down again. Any help would be appreciated.
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