here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label   | vrf      | iface     | hop     | label      | targets | bytes |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 20790   | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 23772   | v1:6     | ethernet1 | 1234::2 | 3          |         | 0     |
 | 275373  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 323295  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 328502  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 442757  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 485291  | null     | null      | null    | unlabelled |         | 0     |
 | 485292  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 485293  | v1:4     | ethernet1 | 1.1.1.2 | 403224     |         | 0     |
 | 485294  | v1:4     | ethernet1 | 1.1.1.2 | 403225     |         | 0     |
 | 485295  | v1:4     | ethernet1 | 1.1.1.2 | 403226     |         | 0     |
 | 485296  | null     | null      | null    | unlabelled |         | 0     |
 | 485297  | null     | null      | null    | unlabelled |         | 0     |
 | 485298  | null     | null      | null    | unlabelled |         | 0     |
 | 485299  | null     | null      | null    | unlabelled |         | 0     |
 | 485300  | null     | null      | null    | unlabelled |         | 0     |
 | 689086  | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 | 762084  | null     | null      | null    | unlabelled |         | 0     |
 | 762085  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 762086  | v1:6     | ethernet1 | 1234::2 | 927087     |         | 0     |
 | 762087  | v1:6     | ethernet1 | 1234::2 | 927088     |         | 0     |
 | 762088  | v1:6     | ethernet1 | 1234::2 | 927089     |         | 0     |
 | 762089  | null     | null      | null    | unlabelled |         | 0     |
 | 762090  | null     | null      | null    | unlabelled |         | 0     |
 | 762091  | null     | null      | null    | unlabelled |         | 0     |
 | 762092  | null     | null      | null    | unlabelled |         | 0     |
 | 762093  | null     | null      | null    | unlabelled |         | 0     |
 | 876675  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 990440  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 1018693 | 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 |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 274392  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 390621  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 396866  | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 | 403222  | null     | null      | null    | unlabelled |         | 0     |
 | 403223  | v1:4     | ethernet1 | 1.1.1.1 | 485292     |         | 1280  |
 | 403224  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 403225  | v1:4     | ethernet2 | 1.1.2.3 | 65260      |         | 640   |
 | 403226  | v1:4     | ethernet2 | 1.1.2.3 | 65261      |         | 640   |
 | 403227  | null     | null      | null    | unlabelled |         | 0     |
 | 403228  | null     | null      | null    | unlabelled |         | 0     |
 | 403229  | null     | null      | null    | unlabelled |         | 0     |
 | 403230  | null     | null      | null    | unlabelled |         | 0     |
 | 403231  | null     | null      | null    | unlabelled |         | 0     |
 | 477693  | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 | 495348  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 541975  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 655183  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 703722  | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 816369  | v1:6     | ethernet1 | 1234::1 | 3          |         | 0     |
 | 824155  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 927085  | null     | null      | null    | unlabelled |         | 0     |
 | 927086  | v1:6     | ethernet1 | 1234::1 | 762085     |         | 1280  |
 | 927087  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 927088  | v1:6     | ethernet2 | 1235::3 | 155439     |         | 640   |
 | 927089  | v1:6     | ethernet2 | 1235::3 | 155440     |         | 640   |
 | 927090  | null     | null      | null    | unlabelled |         | 0     |
 | 927091  | null     | null      | null    | unlabelled |         | 0     |
 | 927092  | null     | null      | null    | unlabelled |         | 0     |
 | 927093  | null     | null      | null    | unlabelled |         | 0     |
 | 927094  | null     | null      | null    | unlabelled |         | 0     |
 | 947031  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 1008597 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 65257  | null     | null      | null    | unlabelled |         | 0     |
 | 65258  | v1:4     | ethernet1 | 1.1.2.2 | 403223     |         | 640   |
 | 65259  | v1:4     | ethernet1 | 1.1.2.2 | 403224     |         | 640   |
 | 65260  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 65261  | v1:4     | ethernet2 | 1.1.3.4 | 347056     |         | 1280  |
 | 65262  | null     | null      | null    | unlabelled |         | 0     |
 | 65263  | null     | null      | null    | unlabelled |         | 0     |
 | 65264  | null     | null      | null    | unlabelled |         | 0     |
 | 65265  | null     | null      | null    | unlabelled |         | 0     |
 | 65266  | null     | null      | null    | unlabelled |         | 0     |
 | 104921 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 155436 | null     | null      | null    | unlabelled |         | 0     |
 | 155437 | v1:6     | ethernet1 | 1235::2 | 927086     |         | 640   |
 | 155438 | v1:6     | ethernet1 | 1235::2 | 927087     |         | 640   |
 | 155439 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 155440 | v1:6     | ethernet2 | 1236::4 | 658868     |         | 1280  |
 | 155441 | null     | null      | null    | unlabelled |         | 0     |
 | 155442 | null     | null      | null    | unlabelled |         | 0     |
 | 155443 | null     | null      | null    | unlabelled |         | 0     |
 | 155444 | null     | null      | null    | unlabelled |         | 0     |
 | 155445 | null     | null      | null    | unlabelled |         | 0     |
 | 176309 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 199281 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 286317 | v1:6     | ethernet2 | 1236::4 | 3          |         | 0     |
 | 291781 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 327708 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 435238 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 449367 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 569693 | v1:4     | ethernet2 | 1.1.3.4 | 3          |         | 0     |
 | 609786 | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 925668 | v1:4     | ethernet1 | 1.1.2.2 | 3          |         | 0     |
 | 935509 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 128168 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 268938 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 347052 | null     | null      | null    | unlabelled |         | 0     |
 | 347053 | v1:4     | ethernet1 | 1.1.3.3 | 65258      |         | 0     |
 | 347054 | v1:4     | ethernet1 | 1.1.3.3 | 65259      |         | 0     |
 | 347055 | v1:4     | ethernet1 | 1.1.3.3 | 65260      |         | 0     |
 | 347056 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 347057 | null     | null      | null    | unlabelled |         | 0     |
 | 347058 | null     | null      | null    | unlabelled |         | 0     |
 | 347059 | null     | null      | null    | unlabelled |         | 0     |
 | 347060 | null     | null      | null    | unlabelled |         | 0     |
 | 347061 | null     | null      | null    | unlabelled |         | 0     |
 | 400085 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 529268 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 529594 | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 | 658864 | null     | null      | null    | unlabelled |         | 0     |
 | 658865 | v1:6     | ethernet1 | 1236::3 | 155437     |         | 0     |
 | 658866 | v1:6     | ethernet1 | 1236::3 | 155438     |         | 0     |
 | 658867 | v1:6     | ethernet1 | 1236::3 | 155439     |         | 0     |
 | 658868 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 658869 | null     | null      | null    | unlabelled |         | 0     |
 | 658870 | null     | null      | null    | unlabelled |         | 0     |
 | 658871 | null     | null      | null    | unlabelled |         | 0     |
 | 658872 | null     | null      | null    | unlabelled |         | 0     |
 | 658873 | null     | null      | null    | unlabelled |         | 0     |
 | 662818 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 705469 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 708689 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 759646 | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 | 973035 | tester:6 | null      | null    | unlabelled | local   | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r4#
r4#