here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 63510  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 438054 | v1:6     | ethernet1 | 1234::2 | 3          |         | 0     |
 | 481613 | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 | 622365 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 705307 | null     | null      | null    | unlabelled |         | 0     |
 | 705308 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 705309 | v1:6     | ethernet1 | 1234::2 | 451791     |         | 0     |
 | 705310 | v1:6     | ethernet1 | 1234::2 | 451792     |         | 0     |
 | 705311 | v1:6     | ethernet1 | 1234::2 | 451793     |         | 0     |
 | 705312 | null     | null      | null    | unlabelled |         | 0     |
 | 705313 | null     | null      | null    | unlabelled |         | 0     |
 | 705314 | null     | null      | null    | unlabelled |         | 0     |
 | 705315 | null     | null      | null    | unlabelled |         | 0     |
 | 705316 | null     | null      | null    | unlabelled |         | 0     |
 | 769206 | null     | null      | null    | unlabelled |         | 0     |
 | 769207 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 769208 | v1:4     | ethernet1 | 1.1.1.2 | 570960     |         | 0     |
 | 769209 | v1:4     | ethernet1 | 1.1.1.2 | 570961     |         | 0     |
 | 769210 | v1:4     | ethernet1 | 1.1.1.2 | 570962     |         | 0     |
 | 769211 | null     | null      | null    | unlabelled |         | 0     |
 | 769212 | null     | null      | null    | unlabelled |         | 0     |
 | 769213 | null     | null      | null    | unlabelled |         | 0     |
 | 769214 | null     | null      | null    | unlabelled |         | 0     |
 | 769215 | null     | null      | null    | unlabelled |         | 0     |
 | 811186 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 811813 | v1:4     | null      | null    | unlabelled | local   | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r1#
r1#
here is the lib:
r2#
r2#
r2#show mpls forw
r2#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 31665  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 149857 | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 | 237673 | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 267311 | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 | 451789 | null     | null      | null    | unlabelled |         | 0     |
 | 451790 | v1:6     | ethernet1 | 1234::1 | 705308     |         | 1280  |
 | 451791 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 451792 | v1:6     | ethernet2 | 1235::3 | 203163     |         | 640   |
 | 451793 | v1:6     | ethernet2 | 1235::3 | 203164     |         | 640   |
 | 451794 | null     | null      | null    | unlabelled |         | 0     |
 | 451795 | null     | null      | null    | unlabelled |         | 0     |
 | 451796 | null     | null      | null    | unlabelled |         | 0     |
 | 451797 | null     | null      | null    | unlabelled |         | 0     |
 | 451798 | null     | null      | null    | unlabelled |         | 0     |
 | 541595 | v1:6     | ethernet1 | 1234::1 | 3          |         | 0     |
 | 570958 | null     | null      | null    | unlabelled |         | 0     |
 | 570959 | v1:4     | ethernet1 | 1.1.1.1 | 769207     |         | 1280  |
 | 570960 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 570961 | v1:4     | ethernet2 | 1.1.2.3 | 435689     |         | 640   |
 | 570962 | v1:4     | ethernet2 | 1.1.2.3 | 435690     |         | 640   |
 | 570963 | null     | null      | null    | unlabelled |         | 0     |
 | 570964 | null     | null      | null    | unlabelled |         | 0     |
 | 570965 | null     | null      | null    | unlabelled |         | 0     |
 | 570966 | null     | null      | null    | unlabelled |         | 0     |
 | 570967 | null     | null      | null    | unlabelled |         | 0     |
 | 664346 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 772705 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 989872 | v1:6     | null      | null    | unlabelled | local   | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r2#
r2#
here is the lib:
r3#
r3#
r3#show mpls forw
r3#show mpls forw
 |~~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label   | vrf      | iface     | hop     | label      | targets | bytes |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 88844   | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 203160  | null     | null      | null    | unlabelled |         | 0     |
 | 203161  | v1:6     | ethernet1 | 1235::2 | 451790     |         | 640   |
 | 203162  | v1:6     | ethernet1 | 1235::2 | 451791     |         | 640   |
 | 203163  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 203164  | v1:6     | ethernet2 | 1236::4 | 953696     |         | 1280  |
 | 203165  | null     | null      | null    | unlabelled |         | 0     |
 | 203166  | null     | null      | null    | unlabelled |         | 0     |
 | 203167  | null     | null      | null    | unlabelled |         | 0     |
 | 203168  | null     | null      | null    | unlabelled |         | 0     |
 | 203169  | null     | null      | null    | unlabelled |         | 0     |
 | 243651  | v1:6     | ethernet2 | 1236::4 | 3          |         | 0     |
 | 374599  | v1:4     | ethernet2 | 1.1.3.4 | 3          |         | 0     |
 | 435686  | null     | null      | null    | unlabelled |         | 0     |
 | 435687  | v1:4     | ethernet1 | 1.1.2.2 | 570959     |         | 640   |
 | 435688  | v1:4     | ethernet1 | 1.1.2.2 | 570960     |         | 640   |
 | 435689  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 435690  | v1:4     | ethernet2 | 1.1.3.4 | 995802     |         | 1280  |
 | 435691  | null     | null      | null    | unlabelled |         | 0     |
 | 435692  | null     | null      | null    | unlabelled |         | 0     |
 | 435693  | null     | null      | null    | unlabelled |         | 0     |
 | 435694  | null     | null      | null    | unlabelled |         | 0     |
 | 435695  | null     | null      | null    | unlabelled |         | 0     |
 | 687560  | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 716865  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 744193  | v1:4     | ethernet1 | 1.1.2.2 | 3          |         | 0     |
 | 1007025 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 1029563 | v1:4     | null      | null    | unlabelled | local   | 0     |
 |_________|__________|___________|_________|____________|_________|_______|
r3#
r3#
here is the lib:
r4#
r4#
r4#show mpls forw
r4#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 144518 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 415264 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 720754 | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 | 857992 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 907935 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 918900 | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 | 953692 | null     | null      | null    | unlabelled |         | 0     |
 | 953693 | v1:6     | ethernet1 | 1236::3 | 203161     |         | 0     |
 | 953694 | v1:6     | ethernet1 | 1236::3 | 203162     |         | 0     |
 | 953695 | v1:6     | ethernet1 | 1236::3 | 203163     |         | 0     |
 | 953696 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 953697 | null     | null      | null    | unlabelled |         | 0     |
 | 953698 | null     | null      | null    | unlabelled |         | 0     |
 | 953699 | null     | null      | null    | unlabelled |         | 0     |
 | 953700 | null     | null      | null    | unlabelled |         | 0     |
 | 953701 | null     | null      | null    | unlabelled |         | 0     |
 | 995798 | null     | null      | null    | unlabelled |         | 0     |
 | 995799 | v1:4     | ethernet1 | 1.1.3.3 | 435687     |         | 0     |
 | 995800 | v1:4     | ethernet1 | 1.1.3.3 | 435688     |         | 0     |
 | 995801 | v1:4     | ethernet1 | 1.1.3.3 | 435689     |         | 0     |
 | 995802 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 995803 | null     | null      | null    | unlabelled |         | 0     |
 | 995804 | null     | null      | null    | unlabelled |         | 0     |
 | 995805 | null     | null      | null    | unlabelled |         | 0     |
 | 995806 | null     | null      | null    | unlabelled |         | 0     |
 | 995807 | null     | null      | null    | unlabelled |         | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r4#
r4#