here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 5024   | null     | null      | null    | unlabelled |         | 0     |
 | 5025   | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 5026   | v1:6     | ethernet1 | 1234::2 | 275711     |         | 0     |
 | 5027   | v1:6     | ethernet1 | 1234::2 | 275712     |         | 0     |
 | 5028   | v1:6     | ethernet1 | 1234::2 | 275713     |         | 0     |
 | 5029   | null     | null      | null    | unlabelled |         | 0     |
 | 5030   | null     | null      | null    | unlabelled |         | 0     |
 | 5031   | null     | null      | null    | unlabelled |         | 0     |
 | 5032   | null     | null      | null    | unlabelled |         | 0     |
 | 5033   | null     | null      | null    | unlabelled |         | 0     |
 | 16649  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 59524  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 113299 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 292252 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 300342 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 390297 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 459528 | null     | null      | null    | unlabelled |         | 0     |
 | 459529 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 459530 | v1:4     | ethernet1 | 1.1.1.2 | 106596     |         | 0     |
 | 459531 | v1:4     | ethernet1 | 1.1.1.2 | 106597     |         | 0     |
 | 459532 | v1:4     | ethernet1 | 1.1.1.2 | 106598     |         | 0     |
 | 459533 | null     | null      | null    | unlabelled |         | 0     |
 | 459534 | null     | null      | null    | unlabelled |         | 0     |
 | 459535 | null     | null      | null    | unlabelled |         | 0     |
 | 459536 | null     | null      | null    | unlabelled |         | 0     |
 | 459537 | null     | null      | null    | unlabelled |         | 0     |
 | 705680 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 835672 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 960755 | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 | 976166 | v1:6     | ethernet1 | 1234::2 | 3          |         | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r1#
r1#
here is the lib:
r2#
r2#
r2#show mpls forw
r2#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 102589 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 106594 | null     | null      | null    | unlabelled |         | 0     |
 | 106595 | v1:4     | ethernet1 | 1.1.1.1 | 459529     |         | 1280  |
 | 106596 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 106597 | v1:4     | ethernet2 | 1.1.2.3 | 495675     |         | 640   |
 | 106598 | v1:4     | ethernet2 | 1.1.2.3 | 495676     |         | 640   |
 | 106599 | null     | null      | null    | unlabelled |         | 0     |
 | 106600 | null     | null      | null    | unlabelled |         | 0     |
 | 106601 | null     | null      | null    | unlabelled |         | 0     |
 | 106602 | null     | null      | null    | unlabelled |         | 0     |
 | 106603 | null     | null      | null    | unlabelled |         | 0     |
 | 106670 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 275709 | null     | null      | null    | unlabelled |         | 0     |
 | 275710 | v1:6     | ethernet1 | 1234::1 | 5025       |         | 1280  |
 | 275711 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 275712 | v1:6     | ethernet2 | 1235::3 | 489384     |         | 640   |
 | 275713 | v1:6     | ethernet2 | 1235::3 | 489385     |         | 640   |
 | 275714 | null     | null      | null    | unlabelled |         | 0     |
 | 275715 | null     | null      | null    | unlabelled |         | 0     |
 | 275716 | null     | null      | null    | unlabelled |         | 0     |
 | 275717 | null     | null      | null    | unlabelled |         | 0     |
 | 275718 | null     | null      | null    | unlabelled |         | 0     |
 | 329955 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 351311 | v1:6     | ethernet1 | 1234::1 | 3          |         | 0     |
 | 357468 | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 | 427742 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 708999 | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 | 773143 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 809100 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 881319 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 949802 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 994760 | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r2#
r2#
here is the lib:
r3#
r3#
r3#show mpls forw
r3#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 35461  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 256668 | v1:4     | ethernet2 | 1.1.3.4 | 3          |         | 0     |
 | 294629 | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 489381 | null     | null      | null    | unlabelled |         | 0     |
 | 489382 | v1:6     | ethernet1 | 1235::2 | 275710     |         | 640   |
 | 489383 | v1:6     | ethernet1 | 1235::2 | 275711     |         | 640   |
 | 489384 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 489385 | v1:6     | ethernet2 | 1236::4 | 530394     |         | 1280  |
 | 489386 | null     | null      | null    | unlabelled |         | 0     |
 | 489387 | null     | null      | null    | unlabelled |         | 0     |
 | 489388 | null     | null      | null    | unlabelled |         | 0     |
 | 489389 | null     | null      | null    | unlabelled |         | 0     |
 | 489390 | null     | null      | null    | unlabelled |         | 0     |
 | 495672 | null     | null      | null    | unlabelled |         | 0     |
 | 495673 | v1:4     | ethernet1 | 1.1.2.2 | 106595     |         | 640   |
 | 495674 | v1:4     | ethernet1 | 1.1.2.2 | 106596     |         | 640   |
 | 495675 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 495676 | v1:4     | ethernet2 | 1.1.3.4 | 292671     |         | 1280  |
 | 495677 | null     | null      | null    | unlabelled |         | 0     |
 | 495678 | null     | null      | null    | unlabelled |         | 0     |
 | 495679 | null     | null      | null    | unlabelled |         | 0     |
 | 495680 | null     | null      | null    | unlabelled |         | 0     |
 | 495681 | null     | null      | null    | unlabelled |         | 0     |
 | 513188 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 556748 | v1:6     | ethernet2 | 1236::4 | 3          |         | 0     |
 | 624559 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 663461 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 762361 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 825650 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 830184 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 849669 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 899520 | v1:4     | ethernet1 | 1.1.2.2 | 3          |         | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r3#
r3#
here is the lib:
r4#
r4#
r4#show mpls forw
r4#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 118477 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 219675 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 292667 | null     | null      | null    | unlabelled |         | 0     |
 | 292668 | v1:4     | ethernet1 | 1.1.3.3 | 495673     |         | 0     |
 | 292669 | v1:4     | ethernet1 | 1.1.3.3 | 495674     |         | 0     |
 | 292670 | v1:4     | ethernet1 | 1.1.3.3 | 495675     |         | 0     |
 | 292671 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 292672 | null     | null      | null    | unlabelled |         | 0     |
 | 292673 | null     | null      | null    | unlabelled |         | 0     |
 | 292674 | null     | null      | null    | unlabelled |         | 0     |
 | 292675 | null     | null      | null    | unlabelled |         | 0     |
 | 292676 | null     | null      | null    | unlabelled |         | 0     |
 | 300509 | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 | 530390 | null     | null      | null    | unlabelled |         | 0     |
 | 530391 | v1:6     | ethernet1 | 1236::3 | 489382     |         | 0     |
 | 530392 | v1:6     | ethernet1 | 1236::3 | 489383     |         | 0     |
 | 530393 | v1:6     | ethernet1 | 1236::3 | 489384     |         | 0     |
 | 530394 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 530395 | null     | null      | null    | unlabelled |         | 0     |
 | 530396 | null     | null      | null    | unlabelled |         | 0     |
 | 530397 | null     | null      | null    | unlabelled |         | 0     |
 | 530398 | null     | null      | null    | unlabelled |         | 0     |
 | 530399 | null     | null      | null    | unlabelled |         | 0     |
 | 603194 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 636041 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 674379 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 678017 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 690765 | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 | 705455 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 965496 | v1:4     | null      | null    | unlabelled | local   | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r4#
r4#