here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 33385  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 50519  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 128572 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 147928 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 208575 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 221582 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 464776 | null     | null      | null    | unlabelled |         | 0     |
 | 464777 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 464778 | v1:4     | ethernet1 | 1.1.1.2 | 605323     |         | 0     |
 | 464779 | v1:4     | ethernet1 | 1.1.1.2 | 605324     |         | 0     |
 | 464780 | v1:4     | ethernet1 | 1.1.1.2 | 605325     |         | 0     |
 | 464781 | null     | null      | null    | unlabelled |         | 0     |
 | 464782 | null     | null      | null    | unlabelled |         | 0     |
 | 464783 | null     | null      | null    | unlabelled |         | 0     |
 | 464784 | null     | null      | null    | unlabelled |         | 0     |
 | 464785 | null     | null      | null    | unlabelled |         | 0     |
 | 477530 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 490466 | null     | null      | null    | unlabelled |         | 0     |
 | 490467 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 490468 | v1:6     | ethernet1 | 1234::2 | 427086     |         | 0     |
 | 490469 | v1:6     | ethernet1 | 1234::2 | 427087     |         | 0     |
 | 490470 | v1:6     | ethernet1 | 1234::2 | 427088     |         | 0     |
 | 490471 | null     | null      | null    | unlabelled |         | 0     |
 | 490472 | null     | null      | null    | unlabelled |         | 0     |
 | 490473 | null     | null      | null    | unlabelled |         | 0     |
 | 490474 | null     | null      | null    | unlabelled |         | 0     |
 | 490475 | null     | null      | null    | unlabelled |         | 0     |
 | 618581 | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 | 867285 | v1:6     | ethernet1 | 1234::2 | 3          |         | 0     |
 | 920718 | 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 |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 77595   | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 157486  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 169714  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 307045  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 396653  | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 | 427084  | null     | null      | null    | unlabelled |         | 0     |
 | 427085  | v1:6     | ethernet1 | 1234::1 | 490467     |         | 1280  |
 | 427086  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 427087  | v1:6     | ethernet2 | 1235::3 | 223588     |         | 640   |
 | 427088  | v1:6     | ethernet2 | 1235::3 | 223589     |         | 640   |
 | 427089  | null     | null      | null    | unlabelled |         | 0     |
 | 427090  | null     | null      | null    | unlabelled |         | 0     |
 | 427091  | null     | null      | null    | unlabelled |         | 0     |
 | 427092  | null     | null      | null    | unlabelled |         | 0     |
 | 427093  | null     | null      | null    | unlabelled |         | 0     |
 | 571496  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 586484  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 605321  | null     | null      | null    | unlabelled |         | 0     |
 | 605322  | v1:4     | ethernet1 | 1.1.1.1 | 464777     |         | 1280  |
 | 605323  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 605324  | v1:4     | ethernet2 | 1.1.2.3 | 493232     |         | 640   |
 | 605325  | v1:4     | ethernet2 | 1.1.2.3 | 493233     |         | 640   |
 | 605326  | null     | null      | null    | unlabelled |         | 0     |
 | 605327  | null     | null      | null    | unlabelled |         | 0     |
 | 605328  | null     | null      | null    | unlabelled |         | 0     |
 | 605329  | null     | null      | null    | unlabelled |         | 0     |
 | 605330  | null     | null      | null    | unlabelled |         | 0     |
 | 770381  | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 | 783554  | v1:6     | ethernet1 | 1234::1 | 3          |         | 0     |
 | 866413  | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 1016444 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 1033856 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 16289  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 35581  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 138629 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 223585 | null     | null      | null    | unlabelled |         | 0     |
 | 223586 | v1:6     | ethernet1 | 1235::2 | 427085     |         | 640   |
 | 223587 | v1:6     | ethernet1 | 1235::2 | 427086     |         | 640   |
 | 223588 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 223589 | v1:6     | ethernet2 | 1236::4 | 444691     |         | 1280  |
 | 223590 | null     | null      | null    | unlabelled |         | 0     |
 | 223591 | null     | null      | null    | unlabelled |         | 0     |
 | 223592 | null     | null      | null    | unlabelled |         | 0     |
 | 223593 | null     | null      | null    | unlabelled |         | 0     |
 | 223594 | null     | null      | null    | unlabelled |         | 0     |
 | 471601 | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 493229 | null     | null      | null    | unlabelled |         | 0     |
 | 493230 | v1:4     | ethernet1 | 1.1.2.2 | 605322     |         | 640   |
 | 493231 | v1:4     | ethernet1 | 1.1.2.2 | 605323     |         | 640   |
 | 493232 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 493233 | v1:4     | ethernet2 | 1.1.3.4 | 603159     |         | 1280  |
 | 493234 | null     | null      | null    | unlabelled |         | 0     |
 | 493235 | null     | null      | null    | unlabelled |         | 0     |
 | 493236 | null     | null      | null    | unlabelled |         | 0     |
 | 493237 | null     | null      | null    | unlabelled |         | 0     |
 | 493238 | null     | null      | null    | unlabelled |         | 0     |
 | 541813 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 574189 | v1:4     | ethernet1 | 1.1.2.2 | 3          |         | 0     |
 | 608415 | v1:6     | ethernet2 | 1236::4 | 3          |         | 0     |
 | 726821 | v1:4     | ethernet2 | 1.1.3.4 | 3          |         | 0     |
 | 788574 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 817924 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 861623 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 945400 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 30432  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 127531 | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 | 165628 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 300416 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 310086 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 341380 | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 | 444687 | null     | null      | null    | unlabelled |         | 0     |
 | 444688 | v1:6     | ethernet1 | 1236::3 | 223586     |         | 0     |
 | 444689 | v1:6     | ethernet1 | 1236::3 | 223587     |         | 0     |
 | 444690 | v1:6     | ethernet1 | 1236::3 | 223588     |         | 0     |
 | 444691 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 444692 | null     | null      | null    | unlabelled |         | 0     |
 | 444693 | null     | null      | null    | unlabelled |         | 0     |
 | 444694 | null     | null      | null    | unlabelled |         | 0     |
 | 444695 | null     | null      | null    | unlabelled |         | 0     |
 | 444696 | null     | null      | null    | unlabelled |         | 0     |
 | 518318 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 556697 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 603155 | null     | null      | null    | unlabelled |         | 0     |
 | 603156 | v1:4     | ethernet1 | 1.1.3.3 | 493230     |         | 0     |
 | 603157 | v1:4     | ethernet1 | 1.1.3.3 | 493231     |         | 0     |
 | 603158 | v1:4     | ethernet1 | 1.1.3.3 | 493232     |         | 0     |
 | 603159 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 603160 | null     | null      | null    | unlabelled |         | 0     |
 | 603161 | null     | null      | null    | unlabelled |         | 0     |
 | 603162 | null     | null      | null    | unlabelled |         | 0     |
 | 603163 | null     | null      | null    | unlabelled |         | 0     |
 | 603164 | null     | null      | null    | unlabelled |         | 0     |
 | 690987 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 717268 | tester:4 | null      | null    | unlabelled | local   | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r4#
r4#