I see in the admin guide that it is possible to filter the default route so that it is not learnt by the OSPF process.
Is there any way of applying a more granular filter so that I can restrict the Palo Alto OSPF process to only learn 10.0.0.0/8 routes? Similiar to an inbound Cisco distribute-list?
Depending on the topology we might be able to do this with a redistribution profile attached to an export filter on whatever protocol you are redistributing into OSPF.
There is no way to reliably restrict routes within the OSPF LSA database itself - that's not how it's designed to work. (That is, it's not a distance-vector protocol that allows you to directly manipulate the routing table).
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