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On 08 December 2017 at 16:15:59, Justin Krejci wrote: > Yup > > > Dec 8 13:41:40.262 CST: %BGP-3-NOTIFICATION: sent to neighbor 206.108.255.1 3/11 (invalid or corrupt AS path) 3 bytes 400200 > Dec 8 13:41:40.262 CST: BGP: 206.108.255.1 Bad attributes FFFF FFFF FFFF FFFF FFFF FFFF FFFF FFFF 002D 0200 0000 0E40 0101 0040 0200 4003 04CE 6CFF 5918 CC49 4D16 A2FF E8 >From this UPDATE dump, this parser helps quite a bit to decode what is going on: http://bgpaste.convergence.cx/ Looks like the AS_PATH was 0 bytes long, which is invalid and Frank's router did the only thing it knows to do on BGP errors - drop the session. Further from the decode: The NEXT_HOP was 206.108.255.89 And the Routes were 204.73.77.0/24, 162.255.252.0/22 and 0.0.0.0/0 Looks like Minnesota WiFi should check on their route announcements. HTH, Andy