here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 123922 | null     | null      | null    | unlabelled |         | 0     |
 | 123923 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 123924 | v1:4     | ethernet1 | 1.1.1.2 | 749618     |         | 0     |
 | 123925 | v1:4     | ethernet1 | 1.1.1.2 | 749619     |         | 0     |
 | 123926 | v1:4     | ethernet1 | 1.1.1.2 | 749620     |         | 0     |
 | 123927 | null     | null      | null    | unlabelled |         | 0     |
 | 123928 | null     | null      | null    | unlabelled |         | 0     |
 | 123929 | null     | null      | null    | unlabelled |         | 0     |
 | 123930 | null     | null      | null    | unlabelled |         | 0     |
 | 123931 | null     | null      | null    | unlabelled |         | 0     |
 | 127746 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 150502 | null     | null      | null    | unlabelled |         | 0     |
 | 150503 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 150504 | v1:6     | ethernet1 | 1234::2 | 951018     |         | 0     |
 | 150505 | v1:6     | ethernet1 | 1234::2 | 951019     |         | 0     |
 | 150506 | v1:6     | ethernet1 | 1234::2 | 951020     |         | 0     |
 | 150507 | null     | null      | null    | unlabelled |         | 0     |
 | 150508 | null     | null      | null    | unlabelled |         | 0     |
 | 150509 | null     | null      | null    | unlabelled |         | 0     |
 | 150510 | null     | null      | null    | unlabelled |         | 0     |
 | 150511 | null     | null      | null    | unlabelled |         | 0     |
 | 172226 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 228610 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 260200 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 369501 | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 | 406223 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 467326 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 717144 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 784156 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 813153 | 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 |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 30889   | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 249412  | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 446426  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 449971  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 484105  | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 | 560432  | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 | 609480  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 732361  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 749616  | null     | null      | null    | unlabelled |         | 0     |
 | 749617  | v1:4     | ethernet1 | 1.1.1.1 | 123923     |         | 1280  |
 | 749618  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 749619  | v1:4     | ethernet2 | 1.1.2.3 | 897250     |         | 640   |
 | 749620  | v1:4     | ethernet2 | 1.1.2.3 | 897251     |         | 640   |
 | 749621  | null     | null      | null    | unlabelled |         | 0     |
 | 749622  | null     | null      | null    | unlabelled |         | 0     |
 | 749623  | null     | null      | null    | unlabelled |         | 0     |
 | 749624  | null     | null      | null    | unlabelled |         | 0     |
 | 749625  | null     | null      | null    | unlabelled |         | 0     |
 | 951016  | null     | null      | null    | unlabelled |         | 0     |
 | 951017  | v1:6     | ethernet1 | 1234::1 | 150503     |         | 1280  |
 | 951018  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 951019  | v1:6     | ethernet2 | 1235::3 | 137044     |         | 640   |
 | 951020  | v1:6     | ethernet2 | 1235::3 | 137045     |         | 640   |
 | 951021  | null     | null      | null    | unlabelled |         | 0     |
 | 951022  | null     | null      | null    | unlabelled |         | 0     |
 | 951023  | null     | null      | null    | unlabelled |         | 0     |
 | 951024  | null     | null      | null    | unlabelled |         | 0     |
 | 951025  | null     | null      | null    | unlabelled |         | 0     |
 | 967367  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 968307  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 1012823 | v1:6     | ethernet1 | 1234::1 | 3          |         | 0     |
 | 1035563 | tester:4 | 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 |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 89984   | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 137041  | null     | null      | null    | unlabelled |         | 0     |
 | 137042  | v1:6     | ethernet1 | 1235::2 | 951017     |         | 640   |
 | 137043  | v1:6     | ethernet1 | 1235::2 | 951018     |         | 640   |
 | 137044  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 137045  | v1:6     | ethernet2 | 1236::4 | 508343     |         | 1280  |
 | 137046  | null     | null      | null    | unlabelled |         | 0     |
 | 137047  | null     | null      | null    | unlabelled |         | 0     |
 | 137048  | null     | null      | null    | unlabelled |         | 0     |
 | 137049  | null     | null      | null    | unlabelled |         | 0     |
 | 137050  | null     | null      | null    | unlabelled |         | 0     |
 | 181141  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 208583  | v1:4     | ethernet1 | 1.1.2.2 | 3          |         | 0     |
 | 242673  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 245055  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 249403  | v1:6     | ethernet2 | 1236::4 | 3          |         | 0     |
 | 325271  | v1:4     | ethernet2 | 1.1.3.4 | 3          |         | 0     |
 | 467032  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 552315  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 897247  | null     | null      | null    | unlabelled |         | 0     |
 | 897248  | v1:4     | ethernet1 | 1.1.2.2 | 749617     |         | 640   |
 | 897249  | v1:4     | ethernet1 | 1.1.2.2 | 749618     |         | 640   |
 | 897250  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 897251  | v1:4     | ethernet2 | 1.1.3.4 | 839297     |         | 1280  |
 | 897252  | null     | null      | null    | unlabelled |         | 0     |
 | 897253  | null     | null      | null    | unlabelled |         | 0     |
 | 897254  | null     | null      | null    | unlabelled |         | 0     |
 | 897255  | null     | null      | null    | unlabelled |         | 0     |
 | 897256  | null     | null      | null    | unlabelled |         | 0     |
 | 916554  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 994041  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 1019381 | v1:6     | 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 |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 322955  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 334228  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 442804  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 508339  | null     | null      | null    | unlabelled |         | 0     |
 | 508340  | v1:6     | ethernet1 | 1236::3 | 137042     |         | 0     |
 | 508341  | v1:6     | ethernet1 | 1236::3 | 137043     |         | 0     |
 | 508342  | v1:6     | ethernet1 | 1236::3 | 137044     |         | 0     |
 | 508343  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 508344  | null     | null      | null    | unlabelled |         | 0     |
 | 508345  | null     | null      | null    | unlabelled |         | 0     |
 | 508346  | null     | null      | null    | unlabelled |         | 0     |
 | 508347  | null     | null      | null    | unlabelled |         | 0     |
 | 508348  | null     | null      | null    | unlabelled |         | 0     |
 | 556764  | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 | 604378  | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 | 839293  | null     | null      | null    | unlabelled |         | 0     |
 | 839294  | v1:4     | ethernet1 | 1.1.3.3 | 897248     |         | 0     |
 | 839295  | v1:4     | ethernet1 | 1.1.3.3 | 897249     |         | 0     |
 | 839296  | v1:4     | ethernet1 | 1.1.3.3 | 897250     |         | 0     |
 | 839297  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 839298  | null     | null      | null    | unlabelled |         | 0     |
 | 839299  | null     | null      | null    | unlabelled |         | 0     |
 | 839300  | null     | null      | null    | unlabelled |         | 0     |
 | 839301  | null     | null      | null    | unlabelled |         | 0     |
 | 839302  | null     | null      | null    | unlabelled |         | 0     |
 | 930580  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 948902  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 972256  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 1007391 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 1029265 | tester:6 | null      | null    | unlabelled | local   | 0     |
 |_________|__________|___________|_________|____________|_________|_______|
r4#
r4#