What are the meanings of flags in the display fib command output for S series switches

Q: What are the meanings of flags in the display fib command output?
A: The values of flags are as follows:

B: indicates a blackhole route, that is, a route with the outbound interface being NULL0.
D: indicates a route generated by a dynamic routing protocol such as IS-IS, OSPF, BGP, or RIP.
G: indicates a gateway route, that is, a route destined for a gateway.
H: indicates a host route.
L: indicates a route generated by Address Resolution Protocol (ARP) or End System to Intermediate System (ESIS) routing exchange protocol, which is common in VLAN-ARP scenarios.
S: indicates a static route, that is, a route configured using the ip route-static command or configured on the NMS.
U: indicates that a route is reachable.

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