Cisco Router Incurring OSPF Issues: Dead Timer Expired, Too Many Retransmissions

Hello Experts,

Can someone please help shed some light on why we're getting so many OSPF errors surrounding dead timers, Too many retransmissions, and Ignore timer expired?

The errors appear on our Tunnel 0 interfaces.

I have checked the Tunnel neighbour interfaces for any mismatches and everything appears to be ok.

I have attached the configs.

This is a rather major issue here at work, so your expeditious help will be greatly appreciated.

Cheers
Hub-Router.txt
Spoke-Router.txt
cpatte7372Asked:
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rauenpcCommented:
I think the hubs need a static multicast map to each other.

https://supportforums.cisco.com/docs/DOC-8356
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cpatte7372Author Commented:
cheers
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