here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 58862  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 61453  | null     | null      | null    | unlabelled |         | 0     |
 | 61454  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 61455  | v1:6     | ethernet1 | 1234::2 | 262048     |         | 0     |
 | 61456  | v1:6     | ethernet1 | 1234::2 | 262049     |         | 0     |
 | 61457  | v1:6     | ethernet1 | 1234::2 | 262050     |         | 0     |
 | 61458  | null     | null      | null    | unlabelled |         | 0     |
 | 61459  | null     | null      | null    | unlabelled |         | 0     |
 | 61460  | null     | null      | null    | unlabelled |         | 0     |
 | 61461  | null     | null      | null    | unlabelled |         | 0     |
 | 61462  | null     | null      | null    | unlabelled |         | 0     |
 | 96535  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 126600 | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 | 258356 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 266186 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 392026 | null     | null      | null    | unlabelled |         | 0     |
 | 392027 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 392028 | v1:4     | ethernet1 | 1.1.1.2 | 1045146    |         | 0     |
 | 392029 | v1:4     | ethernet1 | 1.1.1.2 | 1045147    |         | 0     |
 | 392030 | v1:4     | ethernet1 | 1.1.1.2 | 1045148    |         | 0     |
 | 392031 | null     | null      | null    | unlabelled |         | 0     |
 | 392032 | null     | null      | null    | unlabelled |         | 0     |
 | 392033 | null     | null      | null    | unlabelled |         | 0     |
 | 392034 | null     | null      | null    | unlabelled |         | 0     |
 | 392035 | null     | null      | null    | unlabelled |         | 0     |
 | 430439 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 648734 | v1:6     | ethernet1 | 1234::2 | 3          |         | 0     |
 | 831863 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 899633 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 926112 | v1:6     | 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 |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 2342    | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 17137   | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 226599  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 230016  | v1:6     | ethernet1 | 1234::1 | 3          |         | 0     |
 | 262046  | null     | null      | null    | unlabelled |         | 0     |
 | 262047  | v1:6     | ethernet1 | 1234::1 | 61454      |         | 1280  |
 | 262048  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 262049  | v1:6     | ethernet2 | 1235::3 | 256904     |         | 640   |
 | 262050  | v1:6     | ethernet2 | 1235::3 | 256905     |         | 640   |
 | 262051  | null     | null      | null    | unlabelled |         | 0     |
 | 262052  | null     | null      | null    | unlabelled |         | 0     |
 | 262053  | null     | null      | null    | unlabelled |         | 0     |
 | 262054  | null     | null      | null    | unlabelled |         | 0     |
 | 262055  | null     | null      | null    | unlabelled |         | 0     |
 | 380862  | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 501951  | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 | 678543  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 694444  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 753527  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 779786  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 793429  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 930795  | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 | 1045144 | null     | null      | null    | unlabelled |         | 0     |
 | 1045145 | v1:4     | ethernet1 | 1.1.1.1 | 392027     |         | 1280  |
 | 1045146 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 1045147 | v1:4     | ethernet2 | 1.1.2.3 | 722492     |         | 640   |
 | 1045148 | v1:4     | ethernet2 | 1.1.2.3 | 722493     |         | 640   |
 | 1045149 | null     | null      | null    | unlabelled |         | 0     |
 | 1045150 | null     | null      | null    | unlabelled |         | 0     |
 | 1045151 | null     | null      | null    | unlabelled |         | 0     |
 | 1045152 | null     | null      | null    | unlabelled |         | 0     |
 | 1045153 | null     | null      | null    | unlabelled |         | 0     |
 |_________|__________|___________|_________|____________|_________|_______|
r2#
r2#
here is the lib:
r3#
r3#
r3#show mpls forw
r3#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 31921  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 103409 | v1:4     | ethernet2 | 1.1.3.4 | 3          |         | 0     |
 | 256901 | null     | null      | null    | unlabelled |         | 0     |
 | 256902 | v1:6     | ethernet1 | 1235::2 | 262047     |         | 640   |
 | 256903 | v1:6     | ethernet1 | 1235::2 | 262048     |         | 640   |
 | 256904 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 256905 | v1:6     | ethernet2 | 1236::4 | 261588     |         | 1280  |
 | 256906 | null     | null      | null    | unlabelled |         | 0     |
 | 256907 | null     | null      | null    | unlabelled |         | 0     |
 | 256908 | null     | null      | null    | unlabelled |         | 0     |
 | 256909 | null     | null      | null    | unlabelled |         | 0     |
 | 256910 | null     | null      | null    | unlabelled |         | 0     |
 | 370288 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 655267 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 722489 | null     | null      | null    | unlabelled |         | 0     |
 | 722490 | v1:4     | ethernet1 | 1.1.2.2 | 1045145    |         | 640   |
 | 722491 | v1:4     | ethernet1 | 1.1.2.2 | 1045146    |         | 640   |
 | 722492 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 722493 | v1:4     | ethernet2 | 1.1.3.4 | 159487     |         | 1280  |
 | 722494 | null     | null      | null    | unlabelled |         | 0     |
 | 722495 | null     | null      | null    | unlabelled |         | 0     |
 | 722496 | null     | null      | null    | unlabelled |         | 0     |
 | 722497 | null     | null      | null    | unlabelled |         | 0     |
 | 722498 | null     | null      | null    | unlabelled |         | 0     |
 | 723163 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 800057 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 815044 | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 911229 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 918330 | v1:6     | ethernet2 | 1236::4 | 3          |         | 0     |
 | 920593 | v1:4     | ethernet1 | 1.1.2.2 | 3          |         | 0     |
 | 978537 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 997393 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 79976  | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 | 113820 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 159483 | null     | null      | null    | unlabelled |         | 0     |
 | 159484 | v1:4     | ethernet1 | 1.1.3.3 | 722490     |         | 0     |
 | 159485 | v1:4     | ethernet1 | 1.1.3.3 | 722491     |         | 0     |
 | 159486 | v1:4     | ethernet1 | 1.1.3.3 | 722492     |         | 0     |
 | 159487 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 159488 | null     | null      | null    | unlabelled |         | 0     |
 | 159489 | null     | null      | null    | unlabelled |         | 0     |
 | 159490 | null     | null      | null    | unlabelled |         | 0     |
 | 159491 | null     | null      | null    | unlabelled |         | 0     |
 | 159492 | null     | null      | null    | unlabelled |         | 0     |
 | 242992 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 261584 | null     | null      | null    | unlabelled |         | 0     |
 | 261585 | v1:6     | ethernet1 | 1236::3 | 256902     |         | 0     |
 | 261586 | v1:6     | ethernet1 | 1236::3 | 256903     |         | 0     |
 | 261587 | v1:6     | ethernet1 | 1236::3 | 256904     |         | 0     |
 | 261588 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 261589 | null     | null      | null    | unlabelled |         | 0     |
 | 261590 | null     | null      | null    | unlabelled |         | 0     |
 | 261591 | null     | null      | null    | unlabelled |         | 0     |
 | 261592 | null     | null      | null    | unlabelled |         | 0     |
 | 261593 | null     | null      | null    | unlabelled |         | 0     |
 | 303665 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 357865 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 496191 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 502598 | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 | 612160 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 633518 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 761123 | v1:4     | null      | null    | unlabelled | local   | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r4#
r4#