here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
2024-04-22 08:49:41.418
 |~~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label   | vrf      | iface     | hop     | label      | targets | bytes |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 19253   | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 132838  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 246745  | null     | null      | null    | unlabelled |         | 0     |
 | 246746  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 246747  | v1:4     | ethernet1 | 1.1.1.2 | 109797     |         | 0     |
 | 246748  | v1:4     | ethernet1 | 1.1.1.2 | 109798     |         | 0     |
 | 246749  | v1:4     | ethernet1 | 1.1.1.2 | 109799     |         | 0     |
 | 246750  | null     | null      | null    | unlabelled |         | 0     |
 | 246751  | null     | null      | null    | unlabelled |         | 0     |
 | 246752  | null     | null      | null    | unlabelled |         | 0     |
 | 246753  | null     | null      | null    | unlabelled |         | 0     |
 | 246754  | null     | null      | null    | unlabelled |         | 0     |
 | 254211  | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 | 345911  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 386683  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 431208  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 686161  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 767729  | v1:6     | ethernet1 | 1234::2 | 3          |         | 0     |
 | 954437  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 977019  | null     | null      | null    | unlabelled |         | 0     |
 | 977020  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 977021  | v1:6     | ethernet1 | 1234::2 | 869737     |         | 0     |
 | 977022  | v1:6     | ethernet1 | 1234::2 | 869738     |         | 0     |
 | 977023  | v1:6     | ethernet1 | 1234::2 | 869739     |         | 0     |
 | 977024  | null     | null      | null    | unlabelled |         | 0     |
 | 977025  | null     | null      | null    | unlabelled |         | 0     |
 | 977026  | null     | null      | null    | unlabelled |         | 0     |
 | 977027  | null     | null      | null    | unlabelled |         | 0     |
 | 977028  | null     | null      | null    | unlabelled |         | 0     |
 | 1026906 | v1:6     | null      | null    | unlabelled | local   | 0     |
 |_________|__________|___________|_________|____________|_________|_______|
r1#
r1#
here is the lib:
r2#
r2#
r2#show mpls forw
r2#show mpls forw
2024-04-22 08:49:41.525
 |~~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label   | vrf      | iface     | hop     | label      | targets | bytes |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 109795  | null     | null      | null    | unlabelled |         | 0     |
 | 109796  | v1:4     | ethernet1 | 1.1.1.1 | 246746     |         | 1280  |
 | 109797  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 109798  | v1:4     | ethernet2 | 1.1.2.3 | 391786     |         | 640   |
 | 109799  | v1:4     | ethernet2 | 1.1.2.3 | 391787     |         | 640   |
 | 109800  | null     | null      | null    | unlabelled |         | 0     |
 | 109801  | null     | null      | null    | unlabelled |         | 0     |
 | 109802  | null     | null      | null    | unlabelled |         | 0     |
 | 109803  | null     | null      | null    | unlabelled |         | 0     |
 | 109804  | null     | null      | null    | unlabelled |         | 0     |
 | 349182  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 380353  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 419178  | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 | 436728  | v1:6     | ethernet1 | 1234::1 | 3          |         | 0     |
 | 598322  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 618836  | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 643906  | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 | 782980  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 869735  | null     | null      | null    | unlabelled |         | 0     |
 | 869736  | v1:6     | ethernet1 | 1234::1 | 977020     |         | 1280  |
 | 869737  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 869738  | v1:6     | ethernet2 | 1235::3 | 387717     |         | 640   |
 | 869739  | v1:6     | ethernet2 | 1235::3 | 387718     |         | 640   |
 | 869740  | null     | null      | null    | unlabelled |         | 0     |
 | 869741  | null     | null      | null    | unlabelled |         | 0     |
 | 869742  | null     | null      | null    | unlabelled |         | 0     |
 | 869743  | null     | null      | null    | unlabelled |         | 0     |
 | 869744  | null     | null      | null    | unlabelled |         | 0     |
 | 874586  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 913322  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 1017626 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 1032206 | v1:6     | null      | null    | unlabelled | local   | 0     |
 |_________|__________|___________|_________|____________|_________|_______|
r2#
r2#
here is the lib:
r3#
r3#
r3#show mpls forw
r3#show mpls forw
2024-04-22 08:49:41.634
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 17054  | v1:4     | ethernet1 | 1.1.2.2 | 3          |         | 0     |
 | 223768 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 247117 | v1:6     | ethernet2 | 1236::4 | 3          |         | 0     |
 | 271435 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 339940 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 387714 | null     | null      | null    | unlabelled |         | 0     |
 | 387715 | v1:6     | ethernet1 | 1235::2 | 869736     |         | 640   |
 | 387716 | v1:6     | ethernet1 | 1235::2 | 869737     |         | 640   |
 | 387717 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 387718 | v1:6     | ethernet2 | 1236::4 | 635495     |         | 1280  |
 | 387719 | null     | null      | null    | unlabelled |         | 0     |
 | 387720 | null     | null      | null    | unlabelled |         | 0     |
 | 387721 | null     | null      | null    | unlabelled |         | 0     |
 | 387722 | null     | null      | null    | unlabelled |         | 0     |
 | 387723 | null     | null      | null    | unlabelled |         | 0     |
 | 391783 | null     | null      | null    | unlabelled |         | 0     |
 | 391784 | v1:4     | ethernet1 | 1.1.2.2 | 109796     |         | 640   |
 | 391785 | v1:4     | ethernet1 | 1.1.2.2 | 109797     |         | 640   |
 | 391786 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 391787 | v1:4     | ethernet2 | 1.1.3.4 | 760152     |         | 1280  |
 | 391788 | null     | null      | null    | unlabelled |         | 0     |
 | 391789 | null     | null      | null    | unlabelled |         | 0     |
 | 391790 | null     | null      | null    | unlabelled |         | 0     |
 | 391791 | null     | null      | null    | unlabelled |         | 0     |
 | 391792 | null     | null      | null    | unlabelled |         | 0     |
 | 423523 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 490881 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 640859 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 718437 | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 773515 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 886274 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 958803 | v1:4     | ethernet2 | 1.1.3.4 | 3          |         | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r3#
r3#
here is the lib:
r4#
r4#
r4#show mpls forw
r4#show mpls forw
2024-04-22 08:49:41.744
 |~~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label   | vrf      | iface     | hop     | label      | targets | bytes |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 53193   | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 155228  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 202078  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 211680  | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 | 267828  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 497187  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 511305  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 635491  | null     | null      | null    | unlabelled |         | 0     |
 | 635492  | v1:6     | ethernet1 | 1236::3 | 387715     |         | 0     |
 | 635493  | v1:6     | ethernet1 | 1236::3 | 387716     |         | 0     |
 | 635494  | v1:6     | ethernet1 | 1236::3 | 387717     |         | 0     |
 | 635495  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 635496  | null     | null      | null    | unlabelled |         | 0     |
 | 635497  | null     | null      | null    | unlabelled |         | 0     |
 | 635498  | null     | null      | null    | unlabelled |         | 0     |
 | 635499  | null     | null      | null    | unlabelled |         | 0     |
 | 635500  | null     | null      | null    | unlabelled |         | 0     |
 | 665651  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 760148  | null     | null      | null    | unlabelled |         | 0     |
 | 760149  | v1:4     | ethernet1 | 1.1.3.3 | 391784     |         | 0     |
 | 760150  | v1:4     | ethernet1 | 1.1.3.3 | 391785     |         | 0     |
 | 760151  | v1:4     | ethernet1 | 1.1.3.3 | 391786     |         | 0     |
 | 760152  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 760153  | null     | null      | null    | unlabelled |         | 0     |
 | 760154  | null     | null      | null    | unlabelled |         | 0     |
 | 760155  | null     | null      | null    | unlabelled |         | 0     |
 | 760156  | null     | null      | null    | unlabelled |         | 0     |
 | 760157  | null     | null      | null    | unlabelled |         | 0     |
 | 880580  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 1047036 | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 |_________|__________|___________|_________|____________|_________|_______|
r4#
r4#