IP Routing question. New host route 192.168.20.181 is learned by my router. The network 192.168.20.0/24 is new and does not exist on the network. OSPF is the routing protocol on the router and the router tries to add this to the routing table - see debug output below. I have 2 questions:-
1. Can someone confirm that the router sees that this is a /32 host route and tries to add this to the RT but why does it also delete 192.168.20.0 - is it because this is a Class C address?
May 14 11:00:40 UTC: RT: add 192.168.20.181/32 via 184.108.40.206, ospf metric [110/20]
.May 14 11:00:50 UTC: RT: del 192.168.20.181/32 via 220.127.116.11, ospf metric [110/20]
.May 14 11:00:50 UTC: RT: del 192.168.20.181/32 via 18.104.22.168, ospf metric [110/20]
.May 14 11:00:50 UTC: RT: delete subnet route to 192.168.20.181/32
.May 14 11:00:50 UTC: RT: delete network route to 192.168.20.0
Also, the route apparently is originating from a next-hop 3rd party router. This company have a static route for 192.168.20.0/24 configured on this box. OSPF is configured on this router and they do have a redistribute static route-map Test but the route-map Test does not include this network. Is there any chance that the OSPF process is redistributing all statics into OSPF rather than the specific Test Route map?
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