JN0-694 Question #44: Real Exam Question with Answer & Explanation

A customer reports that BGP graceful restart is not working on R1. After a Routing Engine failover, R1 did not set the restart state bit in its Open message. The customer provides the BGP neighbor output shown in the exhibit. user@R1> show bgp neighbor 172.10.3.201 Peer: 172.10.3.201+54714 AS 64512 Local: 172.10.3.202+179 AS 64513 Type: External State: Established Flags: Last State: OpenConfirm Last Event: RecvKeepAlive Last Error: None Export: [ export ] Options: Local Address: 172.10.3.202 Holdtime: 90 Preference: 170 Local AS: 64513 Local System AS: 0 Number of flaps: 0 Peer ID. 10.247.194.254 Local ID. 10.247.24.6 Active Holdtime: 90 Keepalive Interval: 30 Peer index: 0 BFD. disabled, down Local Interface: ge-0/0/0.500 NLRI for restart configured on peer: inet-unicast NLRI advertised by peer: inet-unicast NLRI for this session: inet-unicast Peer supports Refresh capability (2) Restart time configured on the peer: 120 Stale routes from peer are kept for: 300 Restart time requested by this peer: 120 NLRI that peer supports restart for: inet-unicast NLRI that restart is negotiated for: inet-unicast NLRI of received end-of-rib markers: inet-unicast NLRI of all end-of-rib markers sent: inet-unicast Peer supports 4 byte AS extension (peer-as 64512) Peer does not support Addpath Table inet.0 Bit: 30000 RIB State: BGP restart is complete RIB State: VPN restart is complete Send state: in sync Active prefixes: 7 Received prefixes: 7 Accepted prefixes: 7 Suppressed due to damping: 0 Advertised prefixes: 30 Last traffic (seconds): Received 5 Sent 18 Checked 8 Input messages: Total 40 Updates 3 Refreshes 0 Octets 877 Output messages: Total 55 Updates 13 Refreshes 0 Octets 1764 Output Queue[2]: 0 Referring the exhibit, what is causing this problem?