here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
2024-01-14 02:28:49.416
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 250226 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 400961 | null     | null      | null    | unlabelled |         | 0     |
 | 400962 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 400963 | v1:4     | ethernet1 | 1.1.1.2 | 522803     |         | 0     |
 | 400964 | v1:4     | ethernet1 | 1.1.1.2 | 522804     |         | 0     |
 | 400965 | v1:4     | ethernet1 | 1.1.1.2 | 522805     |         | 0     |
 | 400966 | null     | null      | null    | unlabelled |         | 0     |
 | 400967 | null     | null      | null    | unlabelled |         | 0     |
 | 400968 | null     | null      | null    | unlabelled |         | 0     |
 | 400969 | null     | null      | null    | unlabelled |         | 0     |
 | 400970 | null     | null      | null    | unlabelled |         | 0     |
 | 508644 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 601498 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 619772 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 622040 | null     | null      | null    | unlabelled |         | 0     |
 | 622041 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 622042 | v1:6     | ethernet1 | 1234::2 | 946875     |         | 0     |
 | 622043 | v1:6     | ethernet1 | 1234::2 | 946876     |         | 0     |
 | 622044 | v1:6     | ethernet1 | 1234::2 | 946877     |         | 0     |
 | 622045 | null     | null      | null    | unlabelled |         | 0     |
 | 622046 | null     | null      | null    | unlabelled |         | 0     |
 | 622047 | null     | null      | null    | unlabelled |         | 0     |
 | 622048 | null     | null      | null    | unlabelled |         | 0     |
 | 622049 | null     | null      | null    | unlabelled |         | 0     |
 | 641695 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 684073 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 785742 | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 | 818638 | v1:6     | ethernet1 | 1234::2 | 3          |         | 0     |
 | 963473 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 967077 | tester:6 | null      | null    | unlabelled | local   | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r1#
r1#
here is the lib:
r2#
r2#
r2#show mpls forw
r2#show mpls forw
2024-01-14 02:28:49.538
 |~~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label   | vrf      | iface     | hop     | label      | targets | bytes |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 57297   | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 84023   | v1:6     | ethernet1 | 1234::1 | 3          |         | 0     |
 | 132327  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 217248  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 272441  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 328355  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 384970  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 522801  | null     | null      | null    | unlabelled |         | 0     |
 | 522802  | v1:4     | ethernet1 | 1.1.1.1 | 400962     |         | 1280  |
 | 522803  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 522804  | v1:4     | ethernet2 | 1.1.2.3 | 512120     |         | 640   |
 | 522805  | v1:4     | ethernet2 | 1.1.2.3 | 512121     |         | 640   |
 | 522806  | null     | null      | null    | unlabelled |         | 0     |
 | 522807  | null     | null      | null    | unlabelled |         | 0     |
 | 522808  | null     | null      | null    | unlabelled |         | 0     |
 | 522809  | null     | null      | null    | unlabelled |         | 0     |
 | 522810  | null     | null      | null    | unlabelled |         | 0     |
 | 656553  | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 811244  | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 | 916859  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 946873  | null     | null      | null    | unlabelled |         | 0     |
 | 946874  | v1:6     | ethernet1 | 1234::1 | 622041     |         | 1280  |
 | 946875  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 946876  | v1:6     | ethernet2 | 1235::3 | 453183     |         | 640   |
 | 946877  | v1:6     | ethernet2 | 1235::3 | 453184     |         | 640   |
 | 946878  | null     | null      | null    | unlabelled |         | 0     |
 | 946879  | null     | null      | null    | unlabelled |         | 0     |
 | 946880  | null     | null      | null    | unlabelled |         | 0     |
 | 946881  | null     | null      | null    | unlabelled |         | 0     |
 | 946882  | null     | null      | null    | unlabelled |         | 0     |
 | 1003451 | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 | 1006772 | tester:6 | null      | null    | unlabelled | local   | 0     |
 |_________|__________|___________|_________|____________|_________|_______|
r2#
r2#
here is the lib:
r3#
r3#
r3#show mpls forw
r3#show mpls forw
2024-01-14 02:28:49.631
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 830    | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 66846  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 115549 | v1:6     | ethernet2 | 1236::4 | 3          |         | 0     |
 | 182056 | v1:4     | ethernet1 | 1.1.2.2 | 3          |         | 0     |
 | 284217 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 333832 | v1:4     | ethernet2 | 1.1.3.4 | 3          |         | 0     |
 | 453180 | null     | null      | null    | unlabelled |         | 0     |
 | 453181 | v1:6     | ethernet1 | 1235::2 | 946874     |         | 640   |
 | 453182 | v1:6     | ethernet1 | 1235::2 | 946875     |         | 640   |
 | 453183 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 453184 | v1:6     | ethernet2 | 1236::4 | 863638     |         | 1280  |
 | 453185 | null     | null      | null    | unlabelled |         | 0     |
 | 453186 | null     | null      | null    | unlabelled |         | 0     |
 | 453187 | null     | null      | null    | unlabelled |         | 0     |
 | 453188 | null     | null      | null    | unlabelled |         | 0     |
 | 453189 | null     | null      | null    | unlabelled |         | 0     |
 | 512117 | null     | null      | null    | unlabelled |         | 0     |
 | 512118 | v1:4     | ethernet1 | 1.1.2.2 | 522802     |         | 640   |
 | 512119 | v1:4     | ethernet1 | 1.1.2.2 | 522803     |         | 640   |
 | 512120 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 512121 | v1:4     | ethernet2 | 1.1.3.4 | 243893     |         | 1280  |
 | 512122 | null     | null      | null    | unlabelled |         | 0     |
 | 512123 | null     | null      | null    | unlabelled |         | 0     |
 | 512124 | null     | null      | null    | unlabelled |         | 0     |
 | 512125 | null     | null      | null    | unlabelled |         | 0     |
 | 512126 | null     | null      | null    | unlabelled |         | 0     |
 | 533440 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 560566 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 657415 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 696323 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 853555 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 949149 | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r3#
r3#
here is the lib:
r4#
r4#
r4#show mpls forw
r4#show mpls forw
2024-01-14 02:28:49.731
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 27512  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 118254 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 156189 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 243889 | null     | null      | null    | unlabelled |         | 0     |
 | 243890 | v1:4     | ethernet1 | 1.1.3.3 | 512118     |         | 0     |
 | 243891 | v1:4     | ethernet1 | 1.1.3.3 | 512119     |         | 0     |
 | 243892 | v1:4     | ethernet1 | 1.1.3.3 | 512120     |         | 0     |
 | 243893 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 243894 | null     | null      | null    | unlabelled |         | 0     |
 | 243895 | null     | null      | null    | unlabelled |         | 0     |
 | 243896 | null     | null      | null    | unlabelled |         | 0     |
 | 243897 | null     | null      | null    | unlabelled |         | 0     |
 | 243898 | null     | null      | null    | unlabelled |         | 0     |
 | 408879 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 478085 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 544102 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 605391 | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 | 667746 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 724142 | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 | 741782 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 863634 | null     | null      | null    | unlabelled |         | 0     |
 | 863635 | v1:6     | ethernet1 | 1236::3 | 453181     |         | 0     |
 | 863636 | v1:6     | ethernet1 | 1236::3 | 453182     |         | 0     |
 | 863637 | v1:6     | ethernet1 | 1236::3 | 453183     |         | 0     |
 | 863638 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 863639 | null     | null      | null    | unlabelled |         | 0     |
 | 863640 | null     | null      | null    | unlabelled |         | 0     |
 | 863641 | null     | null      | null    | unlabelled |         | 0     |
 | 863642 | null     | null      | null    | unlabelled |         | 0     |
 | 863643 | null     | null      | null    | unlabelled |         | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r4#
r4#