here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 1128   | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 | 97729  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 135620 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 184277 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 250347 | null     | null      | null    | unlabelled |         | 0     |
 | 250348 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 250349 | v1:6     | ethernet1 | 1234::2 | 740742     |         | 0     |
 | 250350 | v1:6     | ethernet1 | 1234::2 | 740743     |         | 0     |
 | 250351 | v1:6     | ethernet1 | 1234::2 | 740744     |         | 0     |
 | 250352 | null     | null      | null    | unlabelled |         | 0     |
 | 250353 | null     | null      | null    | unlabelled |         | 0     |
 | 250354 | null     | null      | null    | unlabelled |         | 0     |
 | 250355 | null     | null      | null    | unlabelled |         | 0     |
 | 250356 | null     | null      | null    | unlabelled |         | 0     |
 | 536697 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 592689 | null     | null      | null    | unlabelled |         | 0     |
 | 592690 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 592691 | v1:4     | ethernet1 | 1.1.1.2 | 925747     |         | 0     |
 | 592692 | v1:4     | ethernet1 | 1.1.1.2 | 925748     |         | 0     |
 | 592693 | v1:4     | ethernet1 | 1.1.1.2 | 925749     |         | 0     |
 | 592694 | null     | null      | null    | unlabelled |         | 0     |
 | 592695 | null     | null      | null    | unlabelled |         | 0     |
 | 592696 | null     | null      | null    | unlabelled |         | 0     |
 | 592697 | null     | null      | null    | unlabelled |         | 0     |
 | 592698 | null     | null      | null    | unlabelled |         | 0     |
 | 709421 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 714978 | v1:6     | ethernet1 | 1234::2 | 3          |         | 0     |
 | 782514 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 853392 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 951490 | 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 |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 89776   | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 130247  | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 | 240150  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 368619  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 389234  | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 455090  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 476662  | v1:6     | ethernet1 | 1234::1 | 3          |         | 0     |
 | 581627  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 683552  | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 | 740740  | null     | null      | null    | unlabelled |         | 0     |
 | 740741  | v1:6     | ethernet1 | 1234::1 | 250348     |         | 1280  |
 | 740742  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 740743  | v1:6     | ethernet2 | 1235::3 | 806645     |         | 640   |
 | 740744  | v1:6     | ethernet2 | 1235::3 | 806646     |         | 640   |
 | 740745  | null     | null      | null    | unlabelled |         | 0     |
 | 740746  | null     | null      | null    | unlabelled |         | 0     |
 | 740747  | null     | null      | null    | unlabelled |         | 0     |
 | 740748  | null     | null      | null    | unlabelled |         | 0     |
 | 740749  | null     | null      | null    | unlabelled |         | 0     |
 | 890180  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 925745  | null     | null      | null    | unlabelled |         | 0     |
 | 925746  | v1:4     | ethernet1 | 1.1.1.1 | 592690     |         | 1280  |
 | 925747  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 925748  | v1:4     | ethernet2 | 1.1.2.3 | 511789     |         | 640   |
 | 925749  | v1:4     | ethernet2 | 1.1.2.3 | 511790     |         | 640   |
 | 925750  | null     | null      | null    | unlabelled |         | 0     |
 | 925751  | null     | null      | null    | unlabelled |         | 0     |
 | 925752  | null     | null      | null    | unlabelled |         | 0     |
 | 925753  | null     | null      | null    | unlabelled |         | 0     |
 | 925754  | null     | null      | null    | unlabelled |         | 0     |
 | 996250  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 1018169 | 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 |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 1774    | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 45568   | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 107770  | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 216711  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 288911  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 440903  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 466245  | v1:4     | ethernet1 | 1.1.2.2 | 3          |         | 0     |
 | 475769  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 511786  | null     | null      | null    | unlabelled |         | 0     |
 | 511787  | v1:4     | ethernet1 | 1.1.2.2 | 925746     |         | 640   |
 | 511788  | v1:4     | ethernet1 | 1.1.2.2 | 925747     |         | 640   |
 | 511789  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 511790  | v1:4     | ethernet2 | 1.1.3.4 | 817667     |         | 1280  |
 | 511791  | null     | null      | null    | unlabelled |         | 0     |
 | 511792  | null     | null      | null    | unlabelled |         | 0     |
 | 511793  | null     | null      | null    | unlabelled |         | 0     |
 | 511794  | null     | null      | null    | unlabelled |         | 0     |
 | 511795  | null     | null      | null    | unlabelled |         | 0     |
 | 679836  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 682212  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 799533  | v1:6     | ethernet2 | 1236::4 | 3          |         | 0     |
 | 806642  | null     | null      | null    | unlabelled |         | 0     |
 | 806643  | v1:6     | ethernet1 | 1235::2 | 740741     |         | 640   |
 | 806644  | v1:6     | ethernet1 | 1235::2 | 740742     |         | 640   |
 | 806645  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 806646  | v1:6     | ethernet2 | 1236::4 | 186492     |         | 1280  |
 | 806647  | null     | null      | null    | unlabelled |         | 0     |
 | 806648  | null     | null      | null    | unlabelled |         | 0     |
 | 806649  | null     | null      | null    | unlabelled |         | 0     |
 | 806650  | null     | null      | null    | unlabelled |         | 0     |
 | 806651  | null     | null      | null    | unlabelled |         | 0     |
 | 1031780 | v1:4     | ethernet2 | 1.1.3.4 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 140604 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 186488 | null     | null      | null    | unlabelled |         | 0     |
 | 186489 | v1:6     | ethernet1 | 1236::3 | 806643     |         | 0     |
 | 186490 | v1:6     | ethernet1 | 1236::3 | 806644     |         | 0     |
 | 186491 | v1:6     | ethernet1 | 1236::3 | 806645     |         | 0     |
 | 186492 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 186493 | null     | null      | null    | unlabelled |         | 0     |
 | 186494 | null     | null      | null    | unlabelled |         | 0     |
 | 186495 | null     | null      | null    | unlabelled |         | 0     |
 | 186496 | null     | null      | null    | unlabelled |         | 0     |
 | 186497 | null     | null      | null    | unlabelled |         | 0     |
 | 348730 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 350906 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 475125 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 606647 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 609969 | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 | 627364 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 753916 | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 | 817663 | null     | null      | null    | unlabelled |         | 0     |
 | 817664 | v1:4     | ethernet1 | 1.1.3.3 | 511787     |         | 0     |
 | 817665 | v1:4     | ethernet1 | 1.1.3.3 | 511788     |         | 0     |
 | 817666 | v1:4     | ethernet1 | 1.1.3.3 | 511789     |         | 0     |
 | 817667 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 817668 | null     | null      | null    | unlabelled |         | 0     |
 | 817669 | null     | null      | null    | unlabelled |         | 0     |
 | 817670 | null     | null      | null    | unlabelled |         | 0     |
 | 817671 | null     | null      | null    | unlabelled |         | 0     |
 | 817672 | null     | null      | null    | unlabelled |         | 0     |
 | 929153 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 989103 | v1:6     | null      | null    | unlabelled | local   | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r4#
r4#