here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 43899  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 56419  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 243015 | v1:6     | ethernet1 | 1234::2 | 3          |         | 0     |
 | 282182 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 288327 | null     | null      | null    | unlabelled |         | 0     |
 | 288328 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 288329 | v1:6     | ethernet1 | 1234::2 | 419031     |         | 0     |
 | 288330 | v1:6     | ethernet1 | 1234::2 | 419032     |         | 0     |
 | 288331 | v1:6     | ethernet1 | 1234::2 | 419033     |         | 0     |
 | 288332 | null     | null      | null    | unlabelled |         | 0     |
 | 288333 | null     | null      | null    | unlabelled |         | 0     |
 | 288334 | null     | null      | null    | unlabelled |         | 0     |
 | 288335 | null     | null      | null    | unlabelled |         | 0     |
 | 288336 | null     | null      | null    | unlabelled |         | 0     |
 | 346207 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 540537 | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 | 694317 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 698915 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 746020 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 799894 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 831589 | null     | null      | null    | unlabelled |         | 0     |
 | 831590 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 831591 | v1:4     | ethernet1 | 1.1.1.2 | 233371     |         | 0     |
 | 831592 | v1:4     | ethernet1 | 1.1.1.2 | 233372     |         | 0     |
 | 831593 | v1:4     | ethernet1 | 1.1.1.2 | 233373     |         | 0     |
 | 831594 | null     | null      | null    | unlabelled |         | 0     |
 | 831595 | null     | null      | null    | unlabelled |         | 0     |
 | 831596 | null     | null      | null    | unlabelled |         | 0     |
 | 831597 | null     | null      | null    | unlabelled |         | 0     |
 | 831598 | null     | null      | null    | unlabelled |         | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r1#
r1#
here is the lib:
r2#
r2#
r2#show mpls forw
r2#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 59016  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 156004 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 233369 | null     | null      | null    | unlabelled |         | 0     |
 | 233370 | v1:4     | ethernet1 | 1.1.1.1 | 831590     |         | 1280  |
 | 233371 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 233372 | v1:4     | ethernet2 | 1.1.2.3 | 420560     |         | 640   |
 | 233373 | v1:4     | ethernet2 | 1.1.2.3 | 420561     |         | 640   |
 | 233374 | null     | null      | null    | unlabelled |         | 0     |
 | 233375 | null     | null      | null    | unlabelled |         | 0     |
 | 233376 | null     | null      | null    | unlabelled |         | 0     |
 | 233377 | null     | null      | null    | unlabelled |         | 0     |
 | 233378 | null     | null      | null    | unlabelled |         | 0     |
 | 356352 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 378273 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 419029 | null     | null      | null    | unlabelled |         | 0     |
 | 419030 | v1:6     | ethernet1 | 1234::1 | 288328     |         | 1280  |
 | 419031 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 419032 | v1:6     | ethernet2 | 1235::3 | 71309      |         | 640   |
 | 419033 | v1:6     | ethernet2 | 1235::3 | 71310      |         | 640   |
 | 419034 | null     | null      | null    | unlabelled |         | 0     |
 | 419035 | null     | null      | null    | unlabelled |         | 0     |
 | 419036 | null     | null      | null    | unlabelled |         | 0     |
 | 419037 | null     | null      | null    | unlabelled |         | 0     |
 | 419038 | null     | null      | null    | unlabelled |         | 0     |
 | 453650 | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 | 474252 | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 567921 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 573748 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 690841 | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 | 778931 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 840412 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 953626 | v1:6     | ethernet1 | 1234::1 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 58474  | v1:4     | ethernet2 | 1.1.3.4 | 3          |         | 0     |
 | 71306  | null     | null      | null    | unlabelled |         | 0     |
 | 71307  | v1:6     | ethernet1 | 1235::2 | 419030     |         | 640   |
 | 71308  | v1:6     | ethernet1 | 1235::2 | 419031     |         | 640   |
 | 71309  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 71310  | v1:6     | ethernet2 | 1236::4 | 9175       |         | 1280  |
 | 71311  | null     | null      | null    | unlabelled |         | 0     |
 | 71312  | null     | null      | null    | unlabelled |         | 0     |
 | 71313  | null     | null      | null    | unlabelled |         | 0     |
 | 71314  | null     | null      | null    | unlabelled |         | 0     |
 | 71315  | null     | null      | null    | unlabelled |         | 0     |
 | 135659 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 203826 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 213378 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 279181 | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 420557 | null     | null      | null    | unlabelled |         | 0     |
 | 420558 | v1:4     | ethernet1 | 1.1.2.2 | 233370     |         | 640   |
 | 420559 | v1:4     | ethernet1 | 1.1.2.2 | 233371     |         | 640   |
 | 420560 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 420561 | v1:4     | ethernet2 | 1.1.3.4 | 853729     |         | 1280  |
 | 420562 | null     | null      | null    | unlabelled |         | 0     |
 | 420563 | null     | null      | null    | unlabelled |         | 0     |
 | 420564 | null     | null      | null    | unlabelled |         | 0     |
 | 420565 | null     | null      | null    | unlabelled |         | 0     |
 | 420566 | null     | null      | null    | unlabelled |         | 0     |
 | 563106 | v1:6     | ethernet2 | 1236::4 | 3          |         | 0     |
 | 572170 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 609666 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 610390 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 688612 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 885958 | v1:4     | ethernet1 | 1.1.2.2 | 3          |         | 0     |
 | 971710 | tester:6 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 9171   | null     | null      | null    | unlabelled |         | 0     |
 | 9172   | v1:6     | ethernet1 | 1236::3 | 71307      |         | 0     |
 | 9173   | v1:6     | ethernet1 | 1236::3 | 71308      |         | 0     |
 | 9174   | v1:6     | ethernet1 | 1236::3 | 71309      |         | 0     |
 | 9175   | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 9176   | null     | null      | null    | unlabelled |         | 0     |
 | 9177   | null     | null      | null    | unlabelled |         | 0     |
 | 9178   | null     | null      | null    | unlabelled |         | 0     |
 | 9179   | null     | null      | null    | unlabelled |         | 0     |
 | 9180   | null     | null      | null    | unlabelled |         | 0     |
 | 91004  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 124080 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 139906 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 207451 | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 | 369103 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 394170 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 432716 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 439381 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 609432 | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 | 670597 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 853725 | null     | null      | null    | unlabelled |         | 0     |
 | 853726 | v1:4     | ethernet1 | 1.1.3.3 | 420558     |         | 0     |
 | 853727 | v1:4     | ethernet1 | 1.1.3.3 | 420559     |         | 0     |
 | 853728 | v1:4     | ethernet1 | 1.1.3.3 | 420560     |         | 0     |
 | 853729 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 853730 | null     | null      | null    | unlabelled |         | 0     |
 | 853731 | null     | null      | null    | unlabelled |         | 0     |
 | 853732 | null     | null      | null    | unlabelled |         | 0     |
 | 853733 | null     | null      | null    | unlabelled |         | 0     |
 | 853734 | null     | null      | null    | unlabelled |         | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r4#
r4#