here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label   | vrf      | iface     | hop     | label      | targets | bytes |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 19084   | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 81042   | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 106269  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 154007  | v1:6     | ethernet1 | 1234::2 | 3          |         | 0     |
 | 189644  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 218121  | null     | null      | null    | unlabelled |         | 0     |
 | 218122  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 218123  | v1:6     | ethernet1 | 1234::2 | 257465     |         | 0     |
 | 218124  | v1:6     | ethernet1 | 1234::2 | 257466     |         | 0     |
 | 218125  | v1:6     | ethernet1 | 1234::2 | 257467     |         | 0     |
 | 218126  | null     | null      | null    | unlabelled |         | 0     |
 | 218127  | null     | null      | null    | unlabelled |         | 0     |
 | 218128  | null     | null      | null    | unlabelled |         | 0     |
 | 218129  | null     | null      | null    | unlabelled |         | 0     |
 | 218130  | null     | null      | null    | unlabelled |         | 0     |
 | 398941  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 717126  | null     | null      | null    | unlabelled |         | 0     |
 | 717127  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 717128  | v1:4     | ethernet1 | 1.1.1.2 | 674854     |         | 0     |
 | 717129  | v1:4     | ethernet1 | 1.1.1.2 | 674855     |         | 0     |
 | 717130  | v1:4     | ethernet1 | 1.1.1.2 | 674856     |         | 0     |
 | 717131  | null     | null      | null    | unlabelled |         | 0     |
 | 717132  | null     | null      | null    | unlabelled |         | 0     |
 | 717133  | null     | null      | null    | unlabelled |         | 0     |
 | 717134  | null     | null      | null    | unlabelled |         | 0     |
 | 717135  | null     | null      | null    | unlabelled |         | 0     |
 | 874953  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 960162  | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 | 1022043 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 1031459 | tester:4 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 74792  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 250602 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 257463 | null     | null      | null    | unlabelled |         | 0     |
 | 257464 | v1:6     | ethernet1 | 1234::1 | 218122     |         | 1280  |
 | 257465 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 257466 | v1:6     | ethernet2 | 1235::3 | 333176     |         | 640   |
 | 257467 | v1:6     | ethernet2 | 1235::3 | 333177     |         | 640   |
 | 257468 | null     | null      | null    | unlabelled |         | 0     |
 | 257469 | null     | null      | null    | unlabelled |         | 0     |
 | 257470 | null     | null      | null    | unlabelled |         | 0     |
 | 257471 | null     | null      | null    | unlabelled |         | 0     |
 | 257472 | null     | null      | null    | unlabelled |         | 0     |
 | 364993 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 385585 | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 | 399286 | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 457635 | v1:6     | ethernet1 | 1234::1 | 3          |         | 0     |
 | 551156 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 564511 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 627537 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 674852 | null     | null      | null    | unlabelled |         | 0     |
 | 674853 | v1:4     | ethernet1 | 1.1.1.1 | 717127     |         | 1280  |
 | 674854 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 674855 | v1:4     | ethernet2 | 1.1.2.3 | 300678     |         | 640   |
 | 674856 | v1:4     | ethernet2 | 1.1.2.3 | 300679     |         | 640   |
 | 674857 | null     | null      | null    | unlabelled |         | 0     |
 | 674858 | null     | null      | null    | unlabelled |         | 0     |
 | 674859 | null     | null      | null    | unlabelled |         | 0     |
 | 674860 | null     | null      | null    | unlabelled |         | 0     |
 | 674861 | null     | null      | null    | unlabelled |         | 0     |
 | 823224 | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 | 839643 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 992534 | 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 |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 9688    | v1:4     | ethernet1 | 1.1.2.2 | 3          |         | 0     |
 | 176741  | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 203269  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 300675  | null     | null      | null    | unlabelled |         | 0     |
 | 300676  | v1:4     | ethernet1 | 1.1.2.2 | 674853     |         | 640   |
 | 300677  | v1:4     | ethernet1 | 1.1.2.2 | 674854     |         | 640   |
 | 300678  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 300679  | v1:4     | ethernet2 | 1.1.3.4 | 122248     |         | 1280  |
 | 300680  | null     | null      | null    | unlabelled |         | 0     |
 | 300681  | null     | null      | null    | unlabelled |         | 0     |
 | 300682  | null     | null      | null    | unlabelled |         | 0     |
 | 300683  | null     | null      | null    | unlabelled |         | 0     |
 | 300684  | null     | null      | null    | unlabelled |         | 0     |
 | 333173  | null     | null      | null    | unlabelled |         | 0     |
 | 333174  | v1:6     | ethernet1 | 1235::2 | 257464     |         | 640   |
 | 333175  | v1:6     | ethernet1 | 1235::2 | 257465     |         | 640   |
 | 333176  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 333177  | v1:6     | ethernet2 | 1236::4 | 931515     |         | 1280  |
 | 333178  | null     | null      | null    | unlabelled |         | 0     |
 | 333179  | null     | null      | null    | unlabelled |         | 0     |
 | 333180  | null     | null      | null    | unlabelled |         | 0     |
 | 333181  | null     | null      | null    | unlabelled |         | 0     |
 | 333182  | null     | null      | null    | unlabelled |         | 0     |
 | 425104  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 549177  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 625600  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 709538  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 768083  | v1:6     | ethernet2 | 1236::4 | 3          |         | 0     |
 | 892524  | v1:4     | ethernet2 | 1.1.3.4 | 3          |         | 0     |
 | 926637  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 973808  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 1029678 | v1:4     | 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 |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 54587   | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 91196   | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 | 122244  | null     | null      | null    | unlabelled |         | 0     |
 | 122245  | v1:4     | ethernet1 | 1.1.3.3 | 300676     |         | 0     |
 | 122246  | v1:4     | ethernet1 | 1.1.3.3 | 300677     |         | 0     |
 | 122247  | v1:4     | ethernet1 | 1.1.3.3 | 300678     |         | 0     |
 | 122248  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 122249  | null     | null      | null    | unlabelled |         | 0     |
 | 122250  | null     | null      | null    | unlabelled |         | 0     |
 | 122251  | null     | null      | null    | unlabelled |         | 0     |
 | 122252  | null     | null      | null    | unlabelled |         | 0     |
 | 122253  | null     | null      | null    | unlabelled |         | 0     |
 | 134944  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 155233  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 171524  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 405255  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 659907  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 881187  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 924526  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 931511  | null     | null      | null    | unlabelled |         | 0     |
 | 931512  | v1:6     | ethernet1 | 1236::3 | 333174     |         | 0     |
 | 931513  | v1:6     | ethernet1 | 1236::3 | 333175     |         | 0     |
 | 931514  | v1:6     | ethernet1 | 1236::3 | 333176     |         | 0     |
 | 931515  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 931516  | null     | null      | null    | unlabelled |         | 0     |
 | 931517  | null     | null      | null    | unlabelled |         | 0     |
 | 931518  | null     | null      | null    | unlabelled |         | 0     |
 | 931519  | null     | null      | null    | unlabelled |         | 0     |
 | 931520  | null     | null      | null    | unlabelled |         | 0     |
 | 1006018 | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 |_________|__________|___________|_________|____________|_________|_______|
r4#
r4#