here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 5311   | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 69965  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 209375 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 227028 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 268055 | v1:6     | ethernet1 | 1234::2 | 3          |         | 0     |
 | 431710 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 453437 | null     | null      | null    | unlabelled |         | 0     |
 | 453438 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 453439 | v1:4     | ethernet1 | 1.1.1.2 | 316446     |         | 0     |
 | 453440 | v1:4     | ethernet1 | 1.1.1.2 | 316447     |         | 0     |
 | 453441 | v1:4     | ethernet1 | 1.1.1.2 | 316448     |         | 0     |
 | 453442 | null     | null      | null    | unlabelled |         | 0     |
 | 453443 | null     | null      | null    | unlabelled |         | 0     |
 | 453444 | null     | null      | null    | unlabelled |         | 0     |
 | 453445 | null     | null      | null    | unlabelled |         | 0     |
 | 453446 | null     | null      | null    | unlabelled |         | 0     |
 | 468803 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 671629 | null     | null      | null    | unlabelled |         | 0     |
 | 671630 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 671631 | v1:6     | ethernet1 | 1234::2 | 499029     |         | 0     |
 | 671632 | v1:6     | ethernet1 | 1234::2 | 499030     |         | 0     |
 | 671633 | v1:6     | ethernet1 | 1234::2 | 499031     |         | 0     |
 | 671634 | null     | null      | null    | unlabelled |         | 0     |
 | 671635 | null     | null      | null    | unlabelled |         | 0     |
 | 671636 | null     | null      | null    | unlabelled |         | 0     |
 | 671637 | null     | null      | null    | unlabelled |         | 0     |
 | 671638 | null     | null      | null    | unlabelled |         | 0     |
 | 716522 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 755786 | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 | 856614 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 19312  | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 | 30899  | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 316444 | null     | null      | null    | unlabelled |         | 0     |
 | 316445 | v1:4     | ethernet1 | 1.1.1.1 | 453438     |         | 1280  |
 | 316446 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 316447 | v1:4     | ethernet2 | 1.1.2.3 | 495837     |         | 640   |
 | 316448 | v1:4     | ethernet2 | 1.1.2.3 | 495838     |         | 640   |
 | 316449 | null     | null      | null    | unlabelled |         | 0     |
 | 316450 | null     | null      | null    | unlabelled |         | 0     |
 | 316451 | null     | null      | null    | unlabelled |         | 0     |
 | 316452 | null     | null      | null    | unlabelled |         | 0     |
 | 316453 | null     | null      | null    | unlabelled |         | 0     |
 | 379439 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 499027 | null     | null      | null    | unlabelled |         | 0     |
 | 499028 | v1:6     | ethernet1 | 1234::1 | 671630     |         | 1280  |
 | 499029 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 499030 | v1:6     | ethernet2 | 1235::3 | 796058     |         | 640   |
 | 499031 | v1:6     | ethernet2 | 1235::3 | 796059     |         | 640   |
 | 499032 | null     | null      | null    | unlabelled |         | 0     |
 | 499033 | null     | null      | null    | unlabelled |         | 0     |
 | 499034 | null     | null      | null    | unlabelled |         | 0     |
 | 499035 | null     | null      | null    | unlabelled |         | 0     |
 | 499036 | null     | null      | null    | unlabelled |         | 0     |
 | 509002 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 509334 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 517173 | v1:6     | ethernet1 | 1234::1 | 3          |         | 0     |
 | 561422 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 602566 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 621894 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 679600 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 718936 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 851334 | v1:4     | ethernet1 | 1.1.1.1 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 100188 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 206129 | v1:4     | ethernet2 | 1.1.3.4 | 3          |         | 0     |
 | 295216 | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 307641 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 312284 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 495834 | null     | null      | null    | unlabelled |         | 0     |
 | 495835 | v1:4     | ethernet1 | 1.1.2.2 | 316445     |         | 640   |
 | 495836 | v1:4     | ethernet1 | 1.1.2.2 | 316446     |         | 640   |
 | 495837 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 495838 | v1:4     | ethernet2 | 1.1.3.4 | 268972     |         | 1280  |
 | 495839 | null     | null      | null    | unlabelled |         | 0     |
 | 495840 | null     | null      | null    | unlabelled |         | 0     |
 | 495841 | null     | null      | null    | unlabelled |         | 0     |
 | 495842 | null     | null      | null    | unlabelled |         | 0     |
 | 495843 | null     | null      | null    | unlabelled |         | 0     |
 | 649218 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 750129 | v1:6     | ethernet2 | 1236::4 | 3          |         | 0     |
 | 769597 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 781160 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 796055 | null     | null      | null    | unlabelled |         | 0     |
 | 796056 | v1:6     | ethernet1 | 1235::2 | 499028     |         | 640   |
 | 796057 | v1:6     | ethernet1 | 1235::2 | 499029     |         | 640   |
 | 796058 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 796059 | v1:6     | ethernet2 | 1236::4 | 557639     |         | 1280  |
 | 796060 | null     | null      | null    | unlabelled |         | 0     |
 | 796061 | null     | null      | null    | unlabelled |         | 0     |
 | 796062 | null     | null      | null    | unlabelled |         | 0     |
 | 796063 | null     | null      | null    | unlabelled |         | 0     |
 | 796064 | null     | null      | null    | unlabelled |         | 0     |
 | 943108 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 958265 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 976977 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 32250  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 152382 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 268968 | null     | null      | null    | unlabelled |         | 0     |
 | 268969 | v1:4     | ethernet1 | 1.1.3.3 | 495835     |         | 0     |
 | 268970 | v1:4     | ethernet1 | 1.1.3.3 | 495836     |         | 0     |
 | 268971 | v1:4     | ethernet1 | 1.1.3.3 | 495837     |         | 0     |
 | 268972 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 268973 | null     | null      | null    | unlabelled |         | 0     |
 | 268974 | null     | null      | null    | unlabelled |         | 0     |
 | 268975 | null     | null      | null    | unlabelled |         | 0     |
 | 268976 | null     | null      | null    | unlabelled |         | 0     |
 | 268977 | null     | null      | null    | unlabelled |         | 0     |
 | 300724 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 516271 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 550538 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 557635 | null     | null      | null    | unlabelled |         | 0     |
 | 557636 | v1:6     | ethernet1 | 1236::3 | 796056     |         | 0     |
 | 557637 | v1:6     | ethernet1 | 1236::3 | 796057     |         | 0     |
 | 557638 | v1:6     | ethernet1 | 1236::3 | 796058     |         | 0     |
 | 557639 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 557640 | null     | null      | null    | unlabelled |         | 0     |
 | 557641 | null     | null      | null    | unlabelled |         | 0     |
 | 557642 | null     | null      | null    | unlabelled |         | 0     |
 | 557643 | null     | null      | null    | unlabelled |         | 0     |
 | 557644 | null     | null      | null    | unlabelled |         | 0     |
 | 582689 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 586571 | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 | 606919 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 974132 | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 | 978721 | tester:6 | null      | null    | unlabelled | local   | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r4#
r4#