here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 78021  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 81535  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 335946 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 361383 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 404578 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 418431 | v1:6     | ethernet1 | 1234::2 | 3          |         | 0     |
 | 543135 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 739827 | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 | 741911 | null     | null      | null    | unlabelled |         | 0     |
 | 741912 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 741913 | v1:6     | ethernet1 | 1234::2 | 870633     |         | 0     |
 | 741914 | v1:6     | ethernet1 | 1234::2 | 870634     |         | 0     |
 | 741915 | v1:6     | ethernet1 | 1234::2 | 870635     |         | 0     |
 | 741916 | null     | null      | null    | unlabelled |         | 0     |
 | 741917 | null     | null      | null    | unlabelled |         | 0     |
 | 741918 | null     | null      | null    | unlabelled |         | 0     |
 | 741919 | null     | null      | null    | unlabelled |         | 0     |
 | 741920 | null     | null      | null    | unlabelled |         | 0     |
 | 763508 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 783054 | null     | null      | null    | unlabelled |         | 0     |
 | 783055 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 783056 | v1:4     | ethernet1 | 1.1.1.2 | 451693     |         | 0     |
 | 783057 | v1:4     | ethernet1 | 1.1.1.2 | 451694     |         | 0     |
 | 783058 | v1:4     | ethernet1 | 1.1.1.2 | 451695     |         | 0     |
 | 783059 | null     | null      | null    | unlabelled |         | 0     |
 | 783060 | null     | null      | null    | unlabelled |         | 0     |
 | 783061 | null     | null      | null    | unlabelled |         | 0     |
 | 783062 | null     | null      | null    | unlabelled |         | 0     |
 | 783063 | null     | null      | null    | unlabelled |         | 0     |
 | 787282 | 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 |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 252834  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 301681  | v1:6     | ethernet1 | 1234::1 | 3          |         | 0     |
 | 334945  | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 | 447378  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 451691  | null     | null      | null    | unlabelled |         | 0     |
 | 451692  | v1:4     | ethernet1 | 1.1.1.1 | 783055     |         | 1280  |
 | 451693  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 451694  | v1:4     | ethernet2 | 1.1.2.3 | 147490     |         | 640   |
 | 451695  | v1:4     | ethernet2 | 1.1.2.3 | 147491     |         | 640   |
 | 451696  | null     | null      | null    | unlabelled |         | 0     |
 | 451697  | null     | null      | null    | unlabelled |         | 0     |
 | 451698  | null     | null      | null    | unlabelled |         | 0     |
 | 451699  | null     | null      | null    | unlabelled |         | 0     |
 | 451700  | null     | null      | null    | unlabelled |         | 0     |
 | 463457  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 576810  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 593125  | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 624106  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 739765  | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 | 744317  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 870631  | null     | null      | null    | unlabelled |         | 0     |
 | 870632  | v1:6     | ethernet1 | 1234::1 | 741912     |         | 1280  |
 | 870633  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 870634  | v1:6     | ethernet2 | 1235::3 | 584116     |         | 640   |
 | 870635  | v1:6     | ethernet2 | 1235::3 | 584117     |         | 640   |
 | 870636  | null     | null      | null    | unlabelled |         | 0     |
 | 870637  | null     | null      | null    | unlabelled |         | 0     |
 | 870638  | null     | null      | null    | unlabelled |         | 0     |
 | 870639  | null     | null      | null    | unlabelled |         | 0     |
 | 870640  | null     | null      | null    | unlabelled |         | 0     |
 | 1001606 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 1012300 | tester:6 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 123387 | v1:4     | ethernet2 | 1.1.3.4 | 3          |         | 0     |
 | 147487 | null     | null      | null    | unlabelled |         | 0     |
 | 147488 | v1:4     | ethernet1 | 1.1.2.2 | 451692     |         | 640   |
 | 147489 | v1:4     | ethernet1 | 1.1.2.2 | 451693     |         | 640   |
 | 147490 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 147491 | v1:4     | ethernet2 | 1.1.3.4 | 958991     |         | 1280  |
 | 147492 | null     | null      | null    | unlabelled |         | 0     |
 | 147493 | null     | null      | null    | unlabelled |         | 0     |
 | 147494 | null     | null      | null    | unlabelled |         | 0     |
 | 147495 | null     | null      | null    | unlabelled |         | 0     |
 | 147496 | null     | null      | null    | unlabelled |         | 0     |
 | 148717 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 226426 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 313276 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 314511 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 482523 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 584113 | null     | null      | null    | unlabelled |         | 0     |
 | 584114 | v1:6     | ethernet1 | 1235::2 | 870632     |         | 640   |
 | 584115 | v1:6     | ethernet1 | 1235::2 | 870633     |         | 640   |
 | 584116 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 584117 | v1:6     | ethernet2 | 1236::4 | 377565     |         | 1280  |
 | 584118 | null     | null      | null    | unlabelled |         | 0     |
 | 584119 | null     | null      | null    | unlabelled |         | 0     |
 | 584120 | null     | null      | null    | unlabelled |         | 0     |
 | 584121 | null     | null      | null    | unlabelled |         | 0     |
 | 584122 | null     | null      | null    | unlabelled |         | 0     |
 | 680340 | v1:4     | ethernet1 | 1.1.2.2 | 3          |         | 0     |
 | 777050 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 816548 | v1:6     | ethernet2 | 1236::4 | 3          |         | 0     |
 | 922387 | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 926836 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 984476 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 2486   | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 | 131670 | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 | 244893 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 377561 | null     | null      | null    | unlabelled |         | 0     |
 | 377562 | v1:6     | ethernet1 | 1236::3 | 584114     |         | 0     |
 | 377563 | v1:6     | ethernet1 | 1236::3 | 584115     |         | 0     |
 | 377564 | v1:6     | ethernet1 | 1236::3 | 584116     |         | 0     |
 | 377565 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 377566 | null     | null      | null    | unlabelled |         | 0     |
 | 377567 | null     | null      | null    | unlabelled |         | 0     |
 | 377568 | null     | null      | null    | unlabelled |         | 0     |
 | 377569 | null     | null      | null    | unlabelled |         | 0     |
 | 377570 | null     | null      | null    | unlabelled |         | 0     |
 | 397773 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 778821 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 811279 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 812105 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 841161 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 933845 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 958987 | null     | null      | null    | unlabelled |         | 0     |
 | 958988 | v1:4     | ethernet1 | 1.1.3.3 | 147488     |         | 0     |
 | 958989 | v1:4     | ethernet1 | 1.1.3.3 | 147489     |         | 0     |
 | 958990 | v1:4     | ethernet1 | 1.1.3.3 | 147490     |         | 0     |
 | 958991 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 958992 | null     | null      | null    | unlabelled |         | 0     |
 | 958993 | null     | null      | null    | unlabelled |         | 0     |
 | 958994 | null     | null      | null    | unlabelled |         | 0     |
 | 958995 | null     | null      | null    | unlabelled |         | 0     |
 | 958996 | null     | null      | null    | unlabelled |         | 0     |
 | 963669 | v1:6     | null      | null    | unlabelled | local   | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r4#
r4#