Restrictions for Segment Routing On Demand Next Hop for L3/L3VPN
On Demand Next Hop (ODN) anycast SID is not supported.
ODN for IPv6 is not supported.
SR ODN tunnel is not supported with BGP Nonstop Routing (NSR). It is only supported with BGP Nonstop Forwarding (NSF).
To enable BGP NSF, use the following command:
bgp grace-full restart neighbor 10.0.0.2 ha-mode graceful-restart