here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 13329  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 64436  | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 | 132031 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 177237 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 212721 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 237614 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 249937 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 409634 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 539139 | null     | null      | null    | unlabelled |         | 0     |
 | 539140 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 539141 | v1:4     | ethernet1 | 1.1.1.2 | 517139     |         | 0     |
 | 539142 | v1:4     | ethernet1 | 1.1.1.2 | 517140     |         | 0     |
 | 539143 | v1:4     | ethernet1 | 1.1.1.2 | 517141     |         | 0     |
 | 539144 | null     | null      | null    | unlabelled |         | 0     |
 | 539145 | null     | null      | null    | unlabelled |         | 0     |
 | 539146 | null     | null      | null    | unlabelled |         | 0     |
 | 539147 | null     | null      | null    | unlabelled |         | 0     |
 | 539148 | null     | null      | null    | unlabelled |         | 0     |
 | 624109 | v1:6     | ethernet1 | 1234::2 | 3          |         | 0     |
 | 718564 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 933272 | null     | null      | null    | unlabelled |         | 0     |
 | 933273 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 933274 | v1:6     | ethernet1 | 1234::2 | 233783     |         | 0     |
 | 933275 | v1:6     | ethernet1 | 1234::2 | 233784     |         | 0     |
 | 933276 | v1:6     | ethernet1 | 1234::2 | 233785     |         | 0     |
 | 933277 | null     | null      | null    | unlabelled |         | 0     |
 | 933278 | null     | null      | null    | unlabelled |         | 0     |
 | 933279 | null     | null      | null    | unlabelled |         | 0     |
 | 933280 | null     | null      | null    | unlabelled |         | 0     |
 | 933281 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 218278 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 233781 | null     | null      | null    | unlabelled |         | 0     |
 | 233782 | v1:6     | ethernet1 | 1234::1 | 933273     |         | 1280  |
 | 233783 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 233784 | v1:6     | ethernet2 | 1235::3 | 969032     |         | 640   |
 | 233785 | v1:6     | ethernet2 | 1235::3 | 969033     |         | 640   |
 | 233786 | null     | null      | null    | unlabelled |         | 0     |
 | 233787 | null     | null      | null    | unlabelled |         | 0     |
 | 233788 | null     | null      | null    | unlabelled |         | 0     |
 | 233789 | null     | null      | null    | unlabelled |         | 0     |
 | 233790 | null     | null      | null    | unlabelled |         | 0     |
 | 312304 | v1:6     | ethernet1 | 1234::1 | 3          |         | 0     |
 | 316979 | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 484606 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 492364 | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 | 517137 | null     | null      | null    | unlabelled |         | 0     |
 | 517138 | v1:4     | ethernet1 | 1.1.1.1 | 539140     |         | 1280  |
 | 517139 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 517140 | v1:4     | ethernet2 | 1.1.2.3 | 348354     |         | 640   |
 | 517141 | v1:4     | ethernet2 | 1.1.2.3 | 348355     |         | 640   |
 | 517142 | null     | null      | null    | unlabelled |         | 0     |
 | 517143 | null     | null      | null    | unlabelled |         | 0     |
 | 517144 | null     | null      | null    | unlabelled |         | 0     |
 | 517145 | null     | null      | null    | unlabelled |         | 0     |
 | 517146 | null     | null      | null    | unlabelled |         | 0     |
 | 535998 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 673586 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 703612 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 885309 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 897602 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 982401 | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 | 992535 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 75975  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 79250  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 144866 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 340564 | v1:4     | ethernet2 | 1.1.3.4 | 3          |         | 0     |
 | 348351 | null     | null      | null    | unlabelled |         | 0     |
 | 348352 | v1:4     | ethernet1 | 1.1.2.2 | 517138     |         | 640   |
 | 348353 | v1:4     | ethernet1 | 1.1.2.2 | 517139     |         | 640   |
 | 348354 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 348355 | v1:4     | ethernet2 | 1.1.3.4 | 336699     |         | 1280  |
 | 348356 | null     | null      | null    | unlabelled |         | 0     |
 | 348357 | null     | null      | null    | unlabelled |         | 0     |
 | 348358 | null     | null      | null    | unlabelled |         | 0     |
 | 348359 | null     | null      | null    | unlabelled |         | 0     |
 | 348360 | null     | null      | null    | unlabelled |         | 0     |
 | 377934 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 492443 | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 591995 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 603664 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 683127 | v1:6     | ethernet2 | 1236::4 | 3          |         | 0     |
 | 725908 | v1:4     | ethernet1 | 1.1.2.2 | 3          |         | 0     |
 | 794487 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 875987 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 969029 | null     | null      | null    | unlabelled |         | 0     |
 | 969030 | v1:6     | ethernet1 | 1235::2 | 233782     |         | 640   |
 | 969031 | v1:6     | ethernet1 | 1235::2 | 233783     |         | 640   |
 | 969032 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 969033 | v1:6     | ethernet2 | 1236::4 | 575971     |         | 1280  |
 | 969034 | null     | null      | null    | unlabelled |         | 0     |
 | 969035 | null     | null      | null    | unlabelled |         | 0     |
 | 969036 | null     | null      | null    | unlabelled |         | 0     |
 | 969037 | null     | null      | null    | unlabelled |         | 0     |
 | 969038 | null     | null      | null    | unlabelled |         | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r3#
r3#
here is the lib:
r4#
r4#
r4#show mpls forw
r4#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 127748 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 163695 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 336695 | null     | null      | null    | unlabelled |         | 0     |
 | 336696 | v1:4     | ethernet1 | 1.1.3.3 | 348352     |         | 0     |
 | 336697 | v1:4     | ethernet1 | 1.1.3.3 | 348353     |         | 0     |
 | 336698 | v1:4     | ethernet1 | 1.1.3.3 | 348354     |         | 0     |
 | 336699 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 336700 | null     | null      | null    | unlabelled |         | 0     |
 | 336701 | null     | null      | null    | unlabelled |         | 0     |
 | 336702 | null     | null      | null    | unlabelled |         | 0     |
 | 336703 | null     | null      | null    | unlabelled |         | 0     |
 | 336704 | null     | null      | null    | unlabelled |         | 0     |
 | 402745 | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 | 495130 | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 | 526827 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 531838 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 575967 | null     | null      | null    | unlabelled |         | 0     |
 | 575968 | v1:6     | ethernet1 | 1236::3 | 969030     |         | 0     |
 | 575969 | v1:6     | ethernet1 | 1236::3 | 969031     |         | 0     |
 | 575970 | v1:6     | ethernet1 | 1236::3 | 969032     |         | 0     |
 | 575971 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 575972 | null     | null      | null    | unlabelled |         | 0     |
 | 575973 | null     | null      | null    | unlabelled |         | 0     |
 | 575974 | null     | null      | null    | unlabelled |         | 0     |
 | 575975 | null     | null      | null    | unlabelled |         | 0     |
 | 575976 | null     | null      | null    | unlabelled |         | 0     |
 | 587457 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 606489 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 769005 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 988281 | v1:6     | null      | null    | unlabelled | local   | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r4#
r4#