here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label   | vrf      | iface     | hop     | label      | targets | bytes |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 2889    | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 | 4246    | null     | null      | null    | unlabelled |         | 0     |
 | 4247    | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 4248    | v1:4     | ethernet1 | 1.1.1.2 | 982637     |         | 0     |
 | 4249    | v1:4     | ethernet1 | 1.1.1.2 | 982638     |         | 0     |
 | 4250    | v1:4     | ethernet1 | 1.1.1.2 | 982639     |         | 0     |
 | 4251    | null     | null      | null    | unlabelled |         | 0     |
 | 4252    | null     | null      | null    | unlabelled |         | 0     |
 | 4253    | null     | null      | null    | unlabelled |         | 0     |
 | 4254    | null     | null      | null    | unlabelled |         | 0     |
 | 4255    | null     | null      | null    | unlabelled |         | 0     |
 | 90839   | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 176327  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 244427  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 299705  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 355604  | v1:6     | ethernet1 | 1234::2 | 3          |         | 0     |
 | 395670  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 650837  | null     | null      | null    | unlabelled |         | 0     |
 | 650838  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 650839  | v1:6     | ethernet1 | 1234::2 | 15017      |         | 0     |
 | 650840  | v1:6     | ethernet1 | 1234::2 | 15018      |         | 0     |
 | 650841  | v1:6     | ethernet1 | 1234::2 | 15019      |         | 0     |
 | 650842  | null     | null      | null    | unlabelled |         | 0     |
 | 650843  | null     | null      | null    | unlabelled |         | 0     |
 | 650844  | null     | null      | null    | unlabelled |         | 0     |
 | 650845  | null     | null      | null    | unlabelled |         | 0     |
 | 650846  | null     | null      | null    | unlabelled |         | 0     |
 | 680943  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 871456  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 1039238 | tester:6 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 15015  | null     | null      | null    | unlabelled |         | 0     |
 | 15016  | v1:6     | ethernet1 | 1234::1 | 650838     |         | 1280  |
 | 15017  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 15018  | v1:6     | ethernet2 | 1235::3 | 175181     |         | 640   |
 | 15019  | v1:6     | ethernet2 | 1235::3 | 175182     |         | 640   |
 | 15020  | null     | null      | null    | unlabelled |         | 0     |
 | 15021  | null     | null      | null    | unlabelled |         | 0     |
 | 15022  | null     | null      | null    | unlabelled |         | 0     |
 | 15023  | null     | null      | null    | unlabelled |         | 0     |
 | 15024  | null     | null      | null    | unlabelled |         | 0     |
 | 114183 | v1:6     | ethernet1 | 1234::1 | 3          |         | 0     |
 | 118907 | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 | 135199 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 144801 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 175526 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 202573 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 225710 | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 361022 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 560061 | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 | 656523 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 834788 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 899562 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 982635 | null     | null      | null    | unlabelled |         | 0     |
 | 982636 | v1:4     | ethernet1 | 1.1.1.1 | 4247       |         | 1280  |
 | 982637 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 982638 | v1:4     | ethernet2 | 1.1.2.3 | 941470     |         | 640   |
 | 982639 | v1:4     | ethernet2 | 1.1.2.3 | 941471     |         | 640   |
 | 982640 | null     | null      | null    | unlabelled |         | 0     |
 | 982641 | null     | null      | null    | unlabelled |         | 0     |
 | 982642 | null     | null      | null    | unlabelled |         | 0     |
 | 982643 | null     | null      | null    | unlabelled |         | 0     |
 | 982644 | null     | null      | null    | unlabelled |         | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r2#
r2#
here is the lib:
r3#
r3#
r3#show mpls forw
r3#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 61544  | v1:4     | ethernet1 | 1.1.2.2 | 3          |         | 0     |
 | 175178 | null     | null      | null    | unlabelled |         | 0     |
 | 175179 | v1:6     | ethernet1 | 1235::2 | 15016      |         | 640   |
 | 175180 | v1:6     | ethernet1 | 1235::2 | 15017      |         | 640   |
 | 175181 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 175182 | v1:6     | ethernet2 | 1236::4 | 931683     |         | 1280  |
 | 175183 | null     | null      | null    | unlabelled |         | 0     |
 | 175184 | null     | null      | null    | unlabelled |         | 0     |
 | 175185 | null     | null      | null    | unlabelled |         | 0     |
 | 175186 | null     | null      | null    | unlabelled |         | 0     |
 | 175187 | null     | null      | null    | unlabelled |         | 0     |
 | 425714 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 441556 | v1:4     | ethernet2 | 1.1.3.4 | 3          |         | 0     |
 | 501647 | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 562717 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 735815 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 758487 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 767749 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 778120 | v1:6     | ethernet2 | 1236::4 | 3          |         | 0     |
 | 811081 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 855453 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 932060 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 941467 | null     | null      | null    | unlabelled |         | 0     |
 | 941468 | v1:4     | ethernet1 | 1.1.2.2 | 982636     |         | 640   |
 | 941469 | v1:4     | ethernet1 | 1.1.2.2 | 982637     |         | 640   |
 | 941470 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 941471 | v1:4     | ethernet2 | 1.1.3.4 | 1029552    |         | 1280  |
 | 941472 | null     | null      | null    | unlabelled |         | 0     |
 | 941473 | null     | null      | null    | unlabelled |         | 0     |
 | 941474 | null     | null      | null    | unlabelled |         | 0     |
 | 941475 | null     | null      | null    | unlabelled |         | 0     |
 | 941476 | null     | null      | null    | unlabelled |         | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r3#
r3#
here is the lib:
r4#
r4#
r4#show mpls forw
r4#show mpls forw
 |~~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label   | vrf      | iface     | hop     | label      | targets | bytes |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 37977   | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 65174   | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 255178  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 304252  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 331273  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 372551  | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 | 469003  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 568267  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 741884  | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 | 803841  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 931679  | null     | null      | null    | unlabelled |         | 0     |
 | 931680  | v1:6     | ethernet1 | 1236::3 | 175179     |         | 0     |
 | 931681  | v1:6     | ethernet1 | 1236::3 | 175180     |         | 0     |
 | 931682  | v1:6     | ethernet1 | 1236::3 | 175181     |         | 0     |
 | 931683  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 931684  | null     | null      | null    | unlabelled |         | 0     |
 | 931685  | null     | null      | null    | unlabelled |         | 0     |
 | 931686  | null     | null      | null    | unlabelled |         | 0     |
 | 931687  | null     | null      | null    | unlabelled |         | 0     |
 | 931688  | null     | null      | null    | unlabelled |         | 0     |
 | 1029548 | null     | null      | null    | unlabelled |         | 0     |
 | 1029549 | v1:4     | ethernet1 | 1.1.3.3 | 941468     |         | 0     |
 | 1029550 | v1:4     | ethernet1 | 1.1.3.3 | 941469     |         | 0     |
 | 1029551 | v1:4     | ethernet1 | 1.1.3.3 | 941470     |         | 0     |
 | 1029552 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 1029553 | null     | null      | null    | unlabelled |         | 0     |
 | 1029554 | null     | null      | null    | unlabelled |         | 0     |
 | 1029555 | null     | null      | null    | unlabelled |         | 0     |
 | 1029556 | null     | null      | null    | unlabelled |         | 0     |
 | 1029557 | null     | null      | null    | unlabelled |         | 0     |
 |_________|__________|___________|_________|____________|_________|_______|
r4#
r4#