here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
2024-02-07 03:01:28.210
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 119155 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 315236 | v1:6     | ethernet1 | 1234::2 | 3          |         | 0     |
 | 325859 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 364096 | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 | 483991 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 520963 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 546475 | null     | null      | null    | unlabelled |         | 0     |
 | 546476 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 546477 | v1:4     | ethernet1 | 1.1.1.2 | 477993     |         | 0     |
 | 546478 | v1:4     | ethernet1 | 1.1.1.2 | 477994     |         | 0     |
 | 546479 | v1:4     | ethernet1 | 1.1.1.2 | 477995     |         | 0     |
 | 546480 | null     | null      | null    | unlabelled |         | 0     |
 | 546481 | null     | null      | null    | unlabelled |         | 0     |
 | 546482 | null     | null      | null    | unlabelled |         | 0     |
 | 546483 | null     | null      | null    | unlabelled |         | 0     |
 | 546484 | null     | null      | null    | unlabelled |         | 0     |
 | 568685 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 572977 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 586771 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 818907 | null     | null      | null    | unlabelled |         | 0     |
 | 818908 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 818909 | v1:6     | ethernet1 | 1234::2 | 537912     |         | 0     |
 | 818910 | v1:6     | ethernet1 | 1234::2 | 537913     |         | 0     |
 | 818911 | v1:6     | ethernet1 | 1234::2 | 537914     |         | 0     |
 | 818912 | null     | null      | null    | unlabelled |         | 0     |
 | 818913 | null     | null      | null    | unlabelled |         | 0     |
 | 818914 | null     | null      | null    | unlabelled |         | 0     |
 | 818915 | null     | null      | null    | unlabelled |         | 0     |
 | 818916 | null     | null      | null    | unlabelled |         | 0     |
 | 954365 | v1:4     | null      | null    | unlabelled | local   | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r1#
r1#
here is the lib:
r2#
r2#
r2#show mpls forw
r2#show mpls forw
2024-02-07 03:01:28.307
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 52310  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 183777 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 314774 | v1:6     | ethernet1 | 1234::1 | 3          |         | 0     |
 | 327283 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 428619 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 440357 | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 | 477991 | null     | null      | null    | unlabelled |         | 0     |
 | 477992 | v1:4     | ethernet1 | 1.1.1.1 | 546476     |         | 1280  |
 | 477993 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 477994 | v1:4     | ethernet2 | 1.1.2.3 | 150936     |         | 640   |
 | 477995 | v1:4     | ethernet2 | 1.1.2.3 | 150937     |         | 640   |
 | 477996 | null     | null      | null    | unlabelled |         | 0     |
 | 477997 | null     | null      | null    | unlabelled |         | 0     |
 | 477998 | null     | null      | null    | unlabelled |         | 0     |
 | 477999 | null     | null      | null    | unlabelled |         | 0     |
 | 478000 | null     | null      | null    | unlabelled |         | 0     |
 | 497003 | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 537910 | null     | null      | null    | unlabelled |         | 0     |
 | 537911 | v1:6     | ethernet1 | 1234::1 | 818908     |         | 1280  |
 | 537912 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 537913 | v1:6     | ethernet2 | 1235::3 | 289452     |         | 640   |
 | 537914 | v1:6     | ethernet2 | 1235::3 | 289453     |         | 640   |
 | 537915 | null     | null      | null    | unlabelled |         | 0     |
 | 537916 | null     | null      | null    | unlabelled |         | 0     |
 | 537917 | null     | null      | null    | unlabelled |         | 0     |
 | 537918 | null     | null      | null    | unlabelled |         | 0     |
 | 537919 | null     | null      | null    | unlabelled |         | 0     |
 | 629919 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 680593 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 879126 | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 | 946856 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 955827 | tester:6 | null      | null    | unlabelled | local   | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r2#
r2#
here is the lib:
r3#
r3#
r3#show mpls forw
r3#show mpls forw
2024-02-07 03:01:28.420
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 73603  | v1:6     | ethernet2 | 1236::4 | 3          |         | 0     |
 | 108464 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 150933 | null     | null      | null    | unlabelled |         | 0     |
 | 150934 | v1:4     | ethernet1 | 1.1.2.2 | 477992     |         | 640   |
 | 150935 | v1:4     | ethernet1 | 1.1.2.2 | 477993     |         | 640   |
 | 150936 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 150937 | v1:4     | ethernet2 | 1.1.3.4 | 671400     |         | 1280  |
 | 150938 | null     | null      | null    | unlabelled |         | 0     |
 | 150939 | null     | null      | null    | unlabelled |         | 0     |
 | 150940 | null     | null      | null    | unlabelled |         | 0     |
 | 150941 | null     | null      | null    | unlabelled |         | 0     |
 | 150942 | null     | null      | null    | unlabelled |         | 0     |
 | 289449 | null     | null      | null    | unlabelled |         | 0     |
 | 289450 | v1:6     | ethernet1 | 1235::2 | 537911     |         | 640   |
 | 289451 | v1:6     | ethernet1 | 1235::2 | 537912     |         | 640   |
 | 289452 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 289453 | v1:6     | ethernet2 | 1236::4 | 352260     |         | 1280  |
 | 289454 | null     | null      | null    | unlabelled |         | 0     |
 | 289455 | null     | null      | null    | unlabelled |         | 0     |
 | 289456 | null     | null      | null    | unlabelled |         | 0     |
 | 289457 | null     | null      | null    | unlabelled |         | 0     |
 | 289458 | null     | null      | null    | unlabelled |         | 0     |
 | 293271 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 340671 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 416327 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 554494 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 563334 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 681572 | v1:4     | ethernet2 | 1.1.3.4 | 3          |         | 0     |
 | 822102 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 858186 | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 903480 | v1:4     | ethernet1 | 1.1.2.2 | 3          |         | 0     |
 | 920998 | v1:4     | null      | null    | unlabelled | local   | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r3#
r3#
here is the lib:
r4#
r4#
r4#show mpls forw
r4#show mpls forw
2024-02-07 03:01:28.519
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 9705   | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 22198  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 97841  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 133227 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 322120 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 331079 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 352256 | null     | null      | null    | unlabelled |         | 0     |
 | 352257 | v1:6     | ethernet1 | 1236::3 | 289450     |         | 0     |
 | 352258 | v1:6     | ethernet1 | 1236::3 | 289451     |         | 0     |
 | 352259 | v1:6     | ethernet1 | 1236::3 | 289452     |         | 0     |
 | 352260 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 352261 | null     | null      | null    | unlabelled |         | 0     |
 | 352262 | null     | null      | null    | unlabelled |         | 0     |
 | 352263 | null     | null      | null    | unlabelled |         | 0     |
 | 352264 | null     | null      | null    | unlabelled |         | 0     |
 | 352265 | null     | null      | null    | unlabelled |         | 0     |
 | 499762 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 512639 | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 | 531014 | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 | 671396 | null     | null      | null    | unlabelled |         | 0     |
 | 671397 | v1:4     | ethernet1 | 1.1.3.3 | 150934     |         | 0     |
 | 671398 | v1:4     | ethernet1 | 1.1.3.3 | 150935     |         | 0     |
 | 671399 | v1:4     | ethernet1 | 1.1.3.3 | 150936     |         | 0     |
 | 671400 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 671401 | null     | null      | null    | unlabelled |         | 0     |
 | 671402 | null     | null      | null    | unlabelled |         | 0     |
 | 671403 | null     | null      | null    | unlabelled |         | 0     |
 | 671404 | null     | null      | null    | unlabelled |         | 0     |
 | 671405 | null     | null      | null    | unlabelled |         | 0     |
 | 756582 | tester:4 | null      | null    | unlabelled | local   | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r4#
r4#