How does the tunnel management module select tunnels in multi-path load balancing on S series switches

Q: How does the tunnel management module select tunnels in multi-path load balancing?
If the number of tunnels for load balancing is set to 6 and eight LSP tunnels are available, how are tunnels selected during tunnel iteration?
If a selected tunnel is in Down state, what will the tunnel management module select tunnels?
If the selected tunnel becomes Up, what will the tunnel management module select tunnels?
Q: TNLM randomly selects six tunnels and returns the tunnels to RM.
If the state of a selected tunnel changes, for example, the Down state, TNLM selects one tunnel from the two alternate tunnels.
If the selected tunnel becomes Up and the number of tunnels for load balancing is smaller than 6, TNLM selects another six tunnels for RM. Otherwise, the Up and Down states of a tunnel have no impact on load balancing.

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