Could anyone explain what the state ‘Unusable’ is on best path selection in BGP. I’ve pasted some output below but removed some of the IP’s. RIB-in route-maps are applied for both as-path and ip prefixes but the prefix and as paths should be permitted (i’ve checked and look correct as far as I can tell). The next hop is also reachable. If it is as a result of a RIB-in filter, is there any way to confirm this or see which?
Network Next Hop Metric LocPref Weight Path
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