Hello everyone,,
One of our MPLS Circuit Continuously Fluctuating. Our Environment like PE (Alcatel) to CE (Cisco) Router. This fluctuation will Reset the BGP Session with following logs (BGP state went down and after some seconds automatically become up)
Sep 27 02:39:44.638: %BGP-3-NOTIFICATION: received from neighbor 10.XX.XX.XX 4/0 (hold time expired) 0 bytes
Sep 27 02:39:44.638: %BGP-5-NBR_RESET: Neighbor 10.XX.XX.XX reset (BGP Notification received)
Sep 27 02:39:44.642: %BGP-5-ADJCHANGE: neighbor 10.XX.XX.XX Down BGP Notification received
Sep 27 02:39:44.642: %BGP_SESSION-5-ADJCHANGE: neighbor 10.XX.XX.XX IPv4 Unicast topology base removed from session BGP Notification received
Sep 27 02:39:44.698: %BGP-5-ADJCHANGE: neighbor 10.XX.XX.XX Up
With Regards,.
