here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 51057  | null     | null      | null    | unlabelled |         | 0     |
 | 51058  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 51059  | v1:6     | ethernet1 | 1234::2 | 819684     |         | 0     |
 | 51060  | v1:6     | ethernet1 | 1234::2 | 819685     |         | 0     |
 | 51061  | v1:6     | ethernet1 | 1234::2 | 819686     |         | 0     |
 | 51062  | null     | null      | null    | unlabelled |         | 0     |
 | 51063  | null     | null      | null    | unlabelled |         | 0     |
 | 51064  | null     | null      | null    | unlabelled |         | 0     |
 | 51065  | null     | null      | null    | unlabelled |         | 0     |
 | 51066  | null     | null      | null    | unlabelled |         | 0     |
 | 60160  | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 | 79671  | v1:6     | ethernet1 | 1234::2 | 3          |         | 0     |
 | 126297 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 152424 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 377530 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 443739 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 467557 | null     | null      | null    | unlabelled |         | 0     |
 | 467558 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 467559 | v1:4     | ethernet1 | 1.1.1.2 | 284329     |         | 0     |
 | 467560 | v1:4     | ethernet1 | 1.1.1.2 | 284330     |         | 0     |
 | 467561 | v1:4     | ethernet1 | 1.1.1.2 | 284331     |         | 0     |
 | 467562 | null     | null      | null    | unlabelled |         | 0     |
 | 467563 | null     | null      | null    | unlabelled |         | 0     |
 | 467564 | null     | null      | null    | unlabelled |         | 0     |
 | 467565 | null     | null      | null    | unlabelled |         | 0     |
 | 467566 | null     | null      | null    | unlabelled |         | 0     |
 | 488695 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 594092 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 613070 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 978459 | v1:4     | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 27687  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 155228 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 246604 | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 | 284327 | null     | null      | null    | unlabelled |         | 0     |
 | 284328 | v1:4     | ethernet1 | 1.1.1.1 | 467558     |         | 1280  |
 | 284329 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 284330 | v1:4     | ethernet2 | 1.1.2.3 | 445876     |         | 640   |
 | 284331 | v1:4     | ethernet2 | 1.1.2.3 | 445877     |         | 640   |
 | 284332 | null     | null      | null    | unlabelled |         | 0     |
 | 284333 | null     | null      | null    | unlabelled |         | 0     |
 | 284334 | null     | null      | null    | unlabelled |         | 0     |
 | 284335 | null     | null      | null    | unlabelled |         | 0     |
 | 284336 | null     | null      | null    | unlabelled |         | 0     |
 | 402879 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 430317 | v1:6     | ethernet1 | 1234::1 | 3          |         | 0     |
 | 819682 | null     | null      | null    | unlabelled |         | 0     |
 | 819683 | v1:6     | ethernet1 | 1234::1 | 51058      |         | 1280  |
 | 819684 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 819685 | v1:6     | ethernet2 | 1235::3 | 915538     |         | 640   |
 | 819686 | v1:6     | ethernet2 | 1235::3 | 915539     |         | 640   |
 | 819687 | null     | null      | null    | unlabelled |         | 0     |
 | 819688 | null     | null      | null    | unlabelled |         | 0     |
 | 819689 | null     | null      | null    | unlabelled |         | 0     |
 | 819690 | null     | null      | null    | unlabelled |         | 0     |
 | 819691 | null     | null      | null    | unlabelled |         | 0     |
 | 846878 | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 887790 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 888214 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 901503 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 914674 | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 | 920940 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 996512 | tester: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 |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 55996   | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 200017  | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 270676  | v1:4     | ethernet1 | 1.1.2.2 | 3          |         | 0     |
 | 412357  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 445873  | null     | null      | null    | unlabelled |         | 0     |
 | 445874  | v1:4     | ethernet1 | 1.1.2.2 | 284328     |         | 640   |
 | 445875  | v1:4     | ethernet1 | 1.1.2.2 | 284329     |         | 640   |
 | 445876  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 445877  | v1:4     | ethernet2 | 1.1.3.4 | 50524      |         | 1280  |
 | 445878  | null     | null      | null    | unlabelled |         | 0     |
 | 445879  | null     | null      | null    | unlabelled |         | 0     |
 | 445880  | null     | null      | null    | unlabelled |         | 0     |
 | 445881  | null     | null      | null    | unlabelled |         | 0     |
 | 445882  | null     | null      | null    | unlabelled |         | 0     |
 | 498928  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 595250  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 721987  | v1:4     | ethernet2 | 1.1.3.4 | 3          |         | 0     |
 | 867551  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 886041  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 915535  | null     | null      | null    | unlabelled |         | 0     |
 | 915536  | v1:6     | ethernet1 | 1235::2 | 819683     |         | 640   |
 | 915537  | v1:6     | ethernet1 | 1235::2 | 819684     |         | 640   |
 | 915538  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 915539  | v1:6     | ethernet2 | 1236::4 | 250724     |         | 1280  |
 | 915540  | null     | null      | null    | unlabelled |         | 0     |
 | 915541  | null     | null      | null    | unlabelled |         | 0     |
 | 915542  | null     | null      | null    | unlabelled |         | 0     |
 | 915543  | null     | null      | null    | unlabelled |         | 0     |
 | 915544  | null     | null      | null    | unlabelled |         | 0     |
 | 918489  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 1016188 | v1:6     | ethernet2 | 1236::4 | 3          |         | 0     |
 | 1018089 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 50520  | null     | null      | null    | unlabelled |         | 0     |
 | 50521  | v1:4     | ethernet1 | 1.1.3.3 | 445874     |         | 0     |
 | 50522  | v1:4     | ethernet1 | 1.1.3.3 | 445875     |         | 0     |
 | 50523  | v1:4     | ethernet1 | 1.1.3.3 | 445876     |         | 0     |
 | 50524  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 50525  | null     | null      | null    | unlabelled |         | 0     |
 | 50526  | null     | null      | null    | unlabelled |         | 0     |
 | 50527  | null     | null      | null    | unlabelled |         | 0     |
 | 50528  | null     | null      | null    | unlabelled |         | 0     |
 | 50529  | null     | null      | null    | unlabelled |         | 0     |
 | 250720 | null     | null      | null    | unlabelled |         | 0     |
 | 250721 | v1:6     | ethernet1 | 1236::3 | 915536     |         | 0     |
 | 250722 | v1:6     | ethernet1 | 1236::3 | 915537     |         | 0     |
 | 250723 | v1:6     | ethernet1 | 1236::3 | 915538     |         | 0     |
 | 250724 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 250725 | null     | null      | null    | unlabelled |         | 0     |
 | 250726 | null     | null      | null    | unlabelled |         | 0     |
 | 250727 | null     | null      | null    | unlabelled |         | 0     |
 | 250728 | null     | null      | null    | unlabelled |         | 0     |
 | 250729 | null     | null      | null    | unlabelled |         | 0     |
 | 388319 | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 | 399493 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 498409 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 695184 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 734490 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 815216 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 897466 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 925897 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 964310 | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 | 976165 | tester:4 | null      | null    | unlabelled | local   | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r4#
r4#