L 1 10.1.0.3 MRU 1500 [Labels: implicit-null/16019 Exp: 0/0] 0 ms
L 2 10.9.0.3 MRU 1500 [Labels: 16012/implicit-null/16015 Exp: 0/0/0] 0 ms
L 3 10.2.0.2 MRU 1500 [Labels: implicit-null/implicit-null/16015 Exp: 0/0/0] 10 ms
L 4 10.2.0.7 MRU 1500 [Labels: 301792 Exp: 0] 0 ms
F 5 172.16.21.1 MRU 0 [No Label] 10 ms
On the first hop I see 3 labels (ImpNull/ImpNull/16018), and I don't understand why? On First hop the route in question is reachable as BGP-LU route (one label) over single-hop RSVP tunnel (again, one ImpNull). From where I get second ImpNull?
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