here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 84028  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 95738  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 256829 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 270610 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 339430 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 430314 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 512526 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 590285 | null     | null      | null    | unlabelled |         | 0     |
 | 590286 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 590287 | v1:4     | ethernet1 | 1.1.1.2 | 470184     |         | 0     |
 | 590288 | v1:4     | ethernet1 | 1.1.1.2 | 470185     |         | 0     |
 | 590289 | v1:4     | ethernet1 | 1.1.1.2 | 470186     |         | 0     |
 | 590290 | null     | null      | null    | unlabelled |         | 0     |
 | 590291 | null     | null      | null    | unlabelled |         | 0     |
 | 590292 | null     | null      | null    | unlabelled |         | 0     |
 | 590293 | null     | null      | null    | unlabelled |         | 0     |
 | 590294 | null     | null      | null    | unlabelled |         | 0     |
 | 658882 | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 | 734223 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 745114 | null     | null      | null    | unlabelled |         | 0     |
 | 745115 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 745116 | v1:6     | ethernet1 | 1234::2 | 583607     |         | 0     |
 | 745117 | v1:6     | ethernet1 | 1234::2 | 583608     |         | 0     |
 | 745118 | v1:6     | ethernet1 | 1234::2 | 583609     |         | 0     |
 | 745119 | null     | null      | null    | unlabelled |         | 0     |
 | 745120 | null     | null      | null    | unlabelled |         | 0     |
 | 745121 | null     | null      | null    | unlabelled |         | 0     |
 | 745122 | null     | null      | null    | unlabelled |         | 0     |
 | 745123 | null     | null      | null    | unlabelled |         | 0     |
 | 901906 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 151873 | v1:6     | ethernet1 | 1234::1 | 3          |         | 0     |
 | 162082 | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 298879 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 343501 | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 | 368912 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 470182 | null     | null      | null    | unlabelled |         | 0     |
 | 470183 | v1:4     | ethernet1 | 1.1.1.1 | 590286     |         | 1280  |
 | 470184 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 470185 | v1:4     | ethernet2 | 1.1.2.3 | 436414     |         | 640   |
 | 470186 | v1:4     | ethernet2 | 1.1.2.3 | 436415     |         | 640   |
 | 470187 | null     | null      | null    | unlabelled |         | 0     |
 | 470188 | null     | null      | null    | unlabelled |         | 0     |
 | 470189 | null     | null      | null    | unlabelled |         | 0     |
 | 470190 | null     | null      | null    | unlabelled |         | 0     |
 | 470191 | null     | null      | null    | unlabelled |         | 0     |
 | 480352 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 520204 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 538024 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 557609 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 583605 | null     | null      | null    | unlabelled |         | 0     |
 | 583606 | v1:6     | ethernet1 | 1234::1 | 745115     |         | 1280  |
 | 583607 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 583608 | v1:6     | ethernet2 | 1235::3 | 895744     |         | 640   |
 | 583609 | v1:6     | ethernet2 | 1235::3 | 895745     |         | 640   |
 | 583610 | null     | null      | null    | unlabelled |         | 0     |
 | 583611 | null     | null      | null    | unlabelled |         | 0     |
 | 583612 | null     | null      | null    | unlabelled |         | 0     |
 | 583613 | null     | null      | null    | unlabelled |         | 0     |
 | 583614 | null     | null      | null    | unlabelled |         | 0     |
 | 596079 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 734997 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 748384 | v1:6     | ethernet2 | 1235::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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 166168 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 217974 | v1:4     | ethernet1 | 1.1.2.2 | 3          |         | 0     |
 | 374973 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 386609 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 436411 | null     | null      | null    | unlabelled |         | 0     |
 | 436412 | v1:4     | ethernet1 | 1.1.2.2 | 470183     |         | 640   |
 | 436413 | v1:4     | ethernet1 | 1.1.2.2 | 470184     |         | 640   |
 | 436414 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 436415 | v1:4     | ethernet2 | 1.1.3.4 | 278073     |         | 1280  |
 | 436416 | null     | null      | null    | unlabelled |         | 0     |
 | 436417 | null     | null      | null    | unlabelled |         | 0     |
 | 436418 | null     | null      | null    | unlabelled |         | 0     |
 | 436419 | null     | null      | null    | unlabelled |         | 0     |
 | 436420 | null     | null      | null    | unlabelled |         | 0     |
 | 498687 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 638025 | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 666230 | v1:6     | ethernet2 | 1236::4 | 3          |         | 0     |
 | 678394 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 786230 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 797913 | v1:4     | ethernet2 | 1.1.3.4 | 3          |         | 0     |
 | 895741 | null     | null      | null    | unlabelled |         | 0     |
 | 895742 | v1:6     | ethernet1 | 1235::2 | 583606     |         | 640   |
 | 895743 | v1:6     | ethernet1 | 1235::2 | 583607     |         | 640   |
 | 895744 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 895745 | v1:6     | ethernet2 | 1236::4 | 311793     |         | 1280  |
 | 895746 | null     | null      | null    | unlabelled |         | 0     |
 | 895747 | null     | null      | null    | unlabelled |         | 0     |
 | 895748 | null     | null      | null    | unlabelled |         | 0     |
 | 895749 | null     | null      | null    | unlabelled |         | 0     |
 | 895750 | null     | null      | null    | unlabelled |         | 0     |
 | 913197 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 930668 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 8418   | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 39875  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 41413  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 176384 | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 | 278069 | null     | null      | null    | unlabelled |         | 0     |
 | 278070 | v1:4     | ethernet1 | 1.1.3.3 | 436412     |         | 0     |
 | 278071 | v1:4     | ethernet1 | 1.1.3.3 | 436413     |         | 0     |
 | 278072 | v1:4     | ethernet1 | 1.1.3.3 | 436414     |         | 0     |
 | 278073 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 278074 | null     | null      | null    | unlabelled |         | 0     |
 | 278075 | null     | null      | null    | unlabelled |         | 0     |
 | 278076 | null     | null      | null    | unlabelled |         | 0     |
 | 278077 | null     | null      | null    | unlabelled |         | 0     |
 | 278078 | null     | null      | null    | unlabelled |         | 0     |
 | 278231 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 311789 | null     | null      | null    | unlabelled |         | 0     |
 | 311790 | v1:6     | ethernet1 | 1236::3 | 895742     |         | 0     |
 | 311791 | v1:6     | ethernet1 | 1236::3 | 895743     |         | 0     |
 | 311792 | v1:6     | ethernet1 | 1236::3 | 895744     |         | 0     |
 | 311793 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 311794 | null     | null      | null    | unlabelled |         | 0     |
 | 311795 | null     | null      | null    | unlabelled |         | 0     |
 | 311796 | null     | null      | null    | unlabelled |         | 0     |
 | 311797 | null     | null      | null    | unlabelled |         | 0     |
 | 311798 | null     | null      | null    | unlabelled |         | 0     |
 | 382937 | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 | 532770 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 561089 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 926553 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 960422 | v1:6     | null      | null    | unlabelled | local   | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r4#
r4#