here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 28786  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 91026  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 128454 | v1:6     | ethernet1 | 1234::2 | 3          |         | 0     |
 | 159640 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 268449 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 371161 | null     | null      | null    | unlabelled |         | 0     |
 | 371162 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 371163 | v1:6     | ethernet1 | 1234::2 | 193947     |         | 0     |
 | 371164 | v1:6     | ethernet1 | 1234::2 | 193948     |         | 0     |
 | 371165 | v1:6     | ethernet1 | 1234::2 | 193949     |         | 0     |
 | 371166 | null     | null      | null    | unlabelled |         | 0     |
 | 371167 | null     | null      | null    | unlabelled |         | 0     |
 | 371168 | null     | null      | null    | unlabelled |         | 0     |
 | 371169 | null     | null      | null    | unlabelled |         | 0     |
 | 371170 | null     | null      | null    | unlabelled |         | 0     |
 | 566453 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 639673 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 719679 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 757152 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 880441 | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 | 940986 | null     | null      | null    | unlabelled |         | 0     |
 | 940987 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 940988 | v1:4     | ethernet1 | 1.1.1.2 | 573019     |         | 0     |
 | 940989 | v1:4     | ethernet1 | 1.1.1.2 | 573020     |         | 0     |
 | 940990 | v1:4     | ethernet1 | 1.1.1.2 | 573021     |         | 0     |
 | 940991 | null     | null      | null    | unlabelled |         | 0     |
 | 940992 | null     | null      | null    | unlabelled |         | 0     |
 | 940993 | null     | null      | null    | unlabelled |         | 0     |
 | 940994 | null     | null      | null    | unlabelled |         | 0     |
 | 940995 | null     | null      | null    | unlabelled |         | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r1#
r1#
here is the lib:
r2#
r2#
r2#show mpls forw
r2#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 51039  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 193945 | null     | null      | null    | unlabelled |         | 0     |
 | 193946 | v1:6     | ethernet1 | 1234::1 | 371162     |         | 1280  |
 | 193947 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 193948 | v1:6     | ethernet2 | 1235::3 | 559614     |         | 640   |
 | 193949 | v1:6     | ethernet2 | 1235::3 | 559615     |         | 640   |
 | 193950 | null     | null      | null    | unlabelled |         | 0     |
 | 193951 | null     | null      | null    | unlabelled |         | 0     |
 | 193952 | null     | null      | null    | unlabelled |         | 0     |
 | 193953 | null     | null      | null    | unlabelled |         | 0     |
 | 193954 | null     | null      | null    | unlabelled |         | 0     |
 | 318788 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 343393 | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 366658 | v1:6     | ethernet1 | 1234::1 | 3          |         | 0     |
 | 418407 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 513064 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 573017 | null     | null      | null    | unlabelled |         | 0     |
 | 573018 | v1:4     | ethernet1 | 1.1.1.1 | 940987     |         | 1280  |
 | 573019 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 573020 | v1:4     | ethernet2 | 1.1.2.3 | 853782     |         | 640   |
 | 573021 | v1:4     | ethernet2 | 1.1.2.3 | 853783     |         | 640   |
 | 573022 | null     | null      | null    | unlabelled |         | 0     |
 | 573023 | null     | null      | null    | unlabelled |         | 0     |
 | 573024 | null     | null      | null    | unlabelled |         | 0     |
 | 573025 | null     | null      | null    | unlabelled |         | 0     |
 | 573026 | null     | null      | null    | unlabelled |         | 0     |
 | 619953 | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 | 621718 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 669272 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 785720 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 796453 | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 | 959277 | v1:4     | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 57230  | v1:6     | ethernet2 | 1236::4 | 3          |         | 0     |
 | 197096 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 377307 | v1:4     | ethernet2 | 1.1.3.4 | 3          |         | 0     |
 | 505886 | v1:4     | ethernet1 | 1.1.2.2 | 3          |         | 0     |
 | 559611 | null     | null      | null    | unlabelled |         | 0     |
 | 559612 | v1:6     | ethernet1 | 1235::2 | 193946     |         | 640   |
 | 559613 | v1:6     | ethernet1 | 1235::2 | 193947     |         | 640   |
 | 559614 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 559615 | v1:6     | ethernet2 | 1236::4 | 319330     |         | 1280  |
 | 559616 | null     | null      | null    | unlabelled |         | 0     |
 | 559617 | null     | null      | null    | unlabelled |         | 0     |
 | 559618 | null     | null      | null    | unlabelled |         | 0     |
 | 559619 | null     | null      | null    | unlabelled |         | 0     |
 | 559620 | null     | null      | null    | unlabelled |         | 0     |
 | 581776 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 590880 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 608119 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 724462 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 753443 | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 801879 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 824171 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 853779 | null     | null      | null    | unlabelled |         | 0     |
 | 853780 | v1:4     | ethernet1 | 1.1.2.2 | 573018     |         | 640   |
 | 853781 | v1:4     | ethernet1 | 1.1.2.2 | 573019     |         | 640   |
 | 853782 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 853783 | v1:4     | ethernet2 | 1.1.3.4 | 476348     |         | 1280  |
 | 853784 | null     | null      | null    | unlabelled |         | 0     |
 | 853785 | null     | null      | null    | unlabelled |         | 0     |
 | 853786 | null     | null      | null    | unlabelled |         | 0     |
 | 853787 | null     | null      | null    | unlabelled |         | 0     |
 | 853788 | null     | null      | null    | unlabelled |         | 0     |
 | 931738 | tester: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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 214204 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 266564 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 284521 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 291101 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 319326 | null     | null      | null    | unlabelled |         | 0     |
 | 319327 | v1:6     | ethernet1 | 1236::3 | 559612     |         | 0     |
 | 319328 | v1:6     | ethernet1 | 1236::3 | 559613     |         | 0     |
 | 319329 | v1:6     | ethernet1 | 1236::3 | 559614     |         | 0     |
 | 319330 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 319331 | null     | null      | null    | unlabelled |         | 0     |
 | 319332 | null     | null      | null    | unlabelled |         | 0     |
 | 319333 | null     | null      | null    | unlabelled |         | 0     |
 | 319334 | null     | null      | null    | unlabelled |         | 0     |
 | 319335 | null     | null      | null    | unlabelled |         | 0     |
 | 387153 | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 | 441635 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 473937 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 476344 | null     | null      | null    | unlabelled |         | 0     |
 | 476345 | v1:4     | ethernet1 | 1.1.3.3 | 853780     |         | 0     |
 | 476346 | v1:4     | ethernet1 | 1.1.3.3 | 853781     |         | 0     |
 | 476347 | v1:4     | ethernet1 | 1.1.3.3 | 853782     |         | 0     |
 | 476348 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 476349 | null     | null      | null    | unlabelled |         | 0     |
 | 476350 | null     | null      | null    | unlabelled |         | 0     |
 | 476351 | null     | null      | null    | unlabelled |         | 0     |
 | 476352 | null     | null      | null    | unlabelled |         | 0     |
 | 476353 | null     | null      | null    | unlabelled |         | 0     |
 | 748514 | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 | 804775 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 943917 | v1:6     | null      | null    | unlabelled | local   | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r4#
r4#