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--- network_stuff:cisco:bgp_notes [2023/10/15 07:23] – jotasandoku
+++ network_stuff:cisco:bgp_notes [2023/11/02 14:38] (current) – external edit 127.0.0.1
@@ Line 14: / Line 14: @@
    match ip address prefix-list BGP100_SANTANDER_GRE_TO_ALL_SITES
    set as-path prepend 65103 65103 65103 65103 65103 #
+----
+**PATH HUNTING**
+  * Undesired phenomeda. Happens because BGP is, by definition, unaware of the topology
+  * During convergence, BGP will ''hunt'' for another path andn happily advertises these paths to peers even though the path is through the peer itself. [[https://lostintransit.se/2023/10/09/path-hunting-in-bgp/|External Link]]

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