here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label   | vrf      | iface     | hop     | label      | targets | bytes |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 120740  | v1:6     | ethernet1 | 1234::2 | 3          |         | 0     |
 | 134543  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 383406  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 411585  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 432637  | null     | null      | null    | unlabelled |         | 0     |
 | 432638  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 432639  | v1:4     | ethernet1 | 1.1.1.2 | 673066     |         | 0     |
 | 432640  | v1:4     | ethernet1 | 1.1.1.2 | 673067     |         | 0     |
 | 432641  | v1:4     | ethernet1 | 1.1.1.2 | 673068     |         | 0     |
 | 432642  | null     | null      | null    | unlabelled |         | 0     |
 | 432643  | null     | null      | null    | unlabelled |         | 0     |
 | 432644  | null     | null      | null    | unlabelled |         | 0     |
 | 432645  | null     | null      | null    | unlabelled |         | 0     |
 | 432646  | null     | null      | null    | unlabelled |         | 0     |
 | 460859  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 514491  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 560107  | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 | 652041  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 810726  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 1019199 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 1046440 | null     | null      | null    | unlabelled |         | 0     |
 | 1046441 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 1046442 | v1:6     | ethernet1 | 1234::2 | 147981     |         | 0     |
 | 1046443 | v1:6     | ethernet1 | 1234::2 | 147982     |         | 0     |
 | 1046444 | v1:6     | ethernet1 | 1234::2 | 147983     |         | 0     |
 | 1046445 | null     | null      | null    | unlabelled |         | 0     |
 | 1046446 | null     | null      | null    | unlabelled |         | 0     |
 | 1046447 | null     | null      | null    | unlabelled |         | 0     |
 | 1046448 | null     | null      | null    | unlabelled |         | 0     |
 | 1046449 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 97673  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 131008 | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 | 147979 | null     | null      | null    | unlabelled |         | 0     |
 | 147980 | v1:6     | ethernet1 | 1234::1 | 1046441    |         | 1280  |
 | 147981 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 147982 | v1:6     | ethernet2 | 1235::3 | 658506     |         | 640   |
 | 147983 | v1:6     | ethernet2 | 1235::3 | 658507     |         | 640   |
 | 147984 | null     | null      | null    | unlabelled |         | 0     |
 | 147985 | null     | null      | null    | unlabelled |         | 0     |
 | 147986 | null     | null      | null    | unlabelled |         | 0     |
 | 147987 | null     | null      | null    | unlabelled |         | 0     |
 | 147988 | null     | null      | null    | unlabelled |         | 0     |
 | 277468 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 310374 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 474631 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 563501 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 614164 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 673064 | null     | null      | null    | unlabelled |         | 0     |
 | 673065 | v1:4     | ethernet1 | 1.1.1.1 | 432638     |         | 1280  |
 | 673066 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 673067 | v1:4     | ethernet2 | 1.1.2.3 | 814884     |         | 640   |
 | 673068 | v1:4     | ethernet2 | 1.1.2.3 | 814885     |         | 640   |
 | 673069 | null     | null      | null    | unlabelled |         | 0     |
 | 673070 | null     | null      | null    | unlabelled |         | 0     |
 | 673071 | null     | null      | null    | unlabelled |         | 0     |
 | 673072 | null     | null      | null    | unlabelled |         | 0     |
 | 673073 | null     | null      | null    | unlabelled |         | 0     |
 | 860686 | v1:6     | ethernet1 | 1234::1 | 3          |         | 0     |
 | 870882 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 877915 | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 | 941424 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 962996 | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r2#
r2#
here is the lib:
r3#
r3#
r3#show mpls forw
r3#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 81509  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 83422  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 88969  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 334869 | v1:4     | ethernet1 | 1.1.2.2 | 3          |         | 0     |
 | 407366 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 621899 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 658503 | null     | null      | null    | unlabelled |         | 0     |
 | 658504 | v1:6     | ethernet1 | 1235::2 | 147980     |         | 640   |
 | 658505 | v1:6     | ethernet1 | 1235::2 | 147981     |         | 640   |
 | 658506 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 658507 | v1:6     | ethernet2 | 1236::4 | 284762     |         | 1280  |
 | 658508 | null     | null      | null    | unlabelled |         | 0     |
 | 658509 | null     | null      | null    | unlabelled |         | 0     |
 | 658510 | null     | null      | null    | unlabelled |         | 0     |
 | 658511 | null     | null      | null    | unlabelled |         | 0     |
 | 658512 | null     | null      | null    | unlabelled |         | 0     |
 | 726943 | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 795242 | v1:6     | ethernet2 | 1236::4 | 3          |         | 0     |
 | 814881 | null     | null      | null    | unlabelled |         | 0     |
 | 814882 | v1:4     | ethernet1 | 1.1.2.2 | 673065     |         | 640   |
 | 814883 | v1:4     | ethernet1 | 1.1.2.2 | 673066     |         | 640   |
 | 814884 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 814885 | v1:4     | ethernet2 | 1.1.3.4 | 212115     |         | 1280  |
 | 814886 | null     | null      | null    | unlabelled |         | 0     |
 | 814887 | null     | null      | null    | unlabelled |         | 0     |
 | 814888 | null     | null      | null    | unlabelled |         | 0     |
 | 814889 | null     | null      | null    | unlabelled |         | 0     |
 | 814890 | null     | null      | null    | unlabelled |         | 0     |
 | 835592 | v1:4     | ethernet2 | 1.1.3.4 | 3          |         | 0     |
 | 840633 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 844980 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 910331 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 8066   | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 64735  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 95800  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 212111 | null     | null      | null    | unlabelled |         | 0     |
 | 212112 | v1:4     | ethernet1 | 1.1.3.3 | 814882     |         | 0     |
 | 212113 | v1:4     | ethernet1 | 1.1.3.3 | 814883     |         | 0     |
 | 212114 | v1:4     | ethernet1 | 1.1.3.3 | 814884     |         | 0     |
 | 212115 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 212116 | null     | null      | null    | unlabelled |         | 0     |
 | 212117 | null     | null      | null    | unlabelled |         | 0     |
 | 212118 | null     | null      | null    | unlabelled |         | 0     |
 | 212119 | null     | null      | null    | unlabelled |         | 0     |
 | 212120 | null     | null      | null    | unlabelled |         | 0     |
 | 220373 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 284758 | null     | null      | null    | unlabelled |         | 0     |
 | 284759 | v1:6     | ethernet1 | 1236::3 | 658504     |         | 0     |
 | 284760 | v1:6     | ethernet1 | 1236::3 | 658505     |         | 0     |
 | 284761 | v1:6     | ethernet1 | 1236::3 | 658506     |         | 0     |
 | 284762 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 284763 | null     | null      | null    | unlabelled |         | 0     |
 | 284764 | null     | null      | null    | unlabelled |         | 0     |
 | 284765 | null     | null      | null    | unlabelled |         | 0     |
 | 284766 | null     | null      | null    | unlabelled |         | 0     |
 | 284767 | null     | null      | null    | unlabelled |         | 0     |
 | 372648 | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 | 671384 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 684555 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 820684 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 959415 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 962427 | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r4#
r4#