On a BGP/MPLS Ipv4 VPN, OSPF, LDP, and static routes are configured. Which of the following protocols must be enabled with GR to achieve NSF on PEs? (Multiple Choice)

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MPLS LDP, OSPF, and BGP must be enabled with Graceful Restart (GR) to achieve Non-Stop Forwarding (NSF) on Provider Edge (PE) routers in a BGP/MPLS IPv4 VPN. Static routes do not support GR.

On a BGP/MPLS Ipv4 VPN, OSPF, LDP, and Static Routes