here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label   | vrf      | iface     | hop     | label      | targets | bytes |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 933     | null     | null      | null    | unlabelled |         | 0     |
 | 934     | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 935     | v1:6     | ethernet1 | 1234::2 | 35726      |         | 0     |
 | 936     | v1:6     | ethernet1 | 1234::2 | 35727      |         | 0     |
 | 937     | v1:6     | ethernet1 | 1234::2 | 35728      |         | 0     |
 | 938     | null     | null      | null    | unlabelled |         | 0     |
 | 939     | null     | null      | null    | unlabelled |         | 0     |
 | 940     | null     | null      | null    | unlabelled |         | 0     |
 | 941     | null     | null      | null    | unlabelled |         | 0     |
 | 942     | null     | null      | null    | unlabelled |         | 0     |
 | 94059   | null     | null      | null    | unlabelled |         | 0     |
 | 94060   | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 94061   | v1:4     | ethernet1 | 1.1.1.2 | 142052     |         | 0     |
 | 94062   | v1:4     | ethernet1 | 1.1.1.2 | 142053     |         | 0     |
 | 94063   | v1:4     | ethernet1 | 1.1.1.2 | 142054     |         | 0     |
 | 94064   | null     | null      | null    | unlabelled |         | 0     |
 | 94065   | null     | null      | null    | unlabelled |         | 0     |
 | 94066   | null     | null      | null    | unlabelled |         | 0     |
 | 94067   | null     | null      | null    | unlabelled |         | 0     |
 | 94068   | null     | null      | null    | unlabelled |         | 0     |
 | 127471  | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 | 184077  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 243609  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 440227  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 685142  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 718182  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 765022  | v1:6     | ethernet1 | 1234::2 | 3          |         | 0     |
 | 874105  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 890390  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 1014301 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 35724  | null     | null      | null    | unlabelled |         | 0     |
 | 35725  | v1:6     | ethernet1 | 1234::1 | 934        |         | 1280  |
 | 35726  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 35727  | v1:6     | ethernet2 | 1235::3 | 302505     |         | 640   |
 | 35728  | v1:6     | ethernet2 | 1235::3 | 302506     |         | 640   |
 | 35729  | null     | null      | null    | unlabelled |         | 0     |
 | 35730  | null     | null      | null    | unlabelled |         | 0     |
 | 35731  | null     | null      | null    | unlabelled |         | 0     |
 | 35732  | null     | null      | null    | unlabelled |         | 0     |
 | 35733  | null     | null      | null    | unlabelled |         | 0     |
 | 101011 | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 115609 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 131374 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 141187 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 142050 | null     | null      | null    | unlabelled |         | 0     |
 | 142051 | v1:4     | ethernet1 | 1.1.1.1 | 94060      |         | 1280  |
 | 142052 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 142053 | v1:4     | ethernet2 | 1.1.2.3 | 161753     |         | 640   |
 | 142054 | v1:4     | ethernet2 | 1.1.2.3 | 161754     |         | 640   |
 | 142055 | null     | null      | null    | unlabelled |         | 0     |
 | 142056 | null     | null      | null    | unlabelled |         | 0     |
 | 142057 | null     | null      | null    | unlabelled |         | 0     |
 | 142058 | null     | null      | null    | unlabelled |         | 0     |
 | 142059 | null     | null      | null    | unlabelled |         | 0     |
 | 292994 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 293063 | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 | 294898 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 354346 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 593986 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 729212 | v1:6     | ethernet1 | 1234::1 | 3          |         | 0     |
 | 903839 | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 | 915073 | v1:4     | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 64098  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 161750 | null     | null      | null    | unlabelled |         | 0     |
 | 161751 | v1:4     | ethernet1 | 1.1.2.2 | 142051     |         | 640   |
 | 161752 | v1:4     | ethernet1 | 1.1.2.2 | 142052     |         | 640   |
 | 161753 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 161754 | v1:4     | ethernet2 | 1.1.3.4 | 1012715    |         | 1280  |
 | 161755 | null     | null      | null    | unlabelled |         | 0     |
 | 161756 | null     | null      | null    | unlabelled |         | 0     |
 | 161757 | null     | null      | null    | unlabelled |         | 0     |
 | 161758 | null     | null      | null    | unlabelled |         | 0     |
 | 161759 | null     | null      | null    | unlabelled |         | 0     |
 | 198978 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 302502 | null     | null      | null    | unlabelled |         | 0     |
 | 302503 | v1:6     | ethernet1 | 1235::2 | 35725      |         | 640   |
 | 302504 | v1:6     | ethernet1 | 1235::2 | 35726      |         | 640   |
 | 302505 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 302506 | v1:6     | ethernet2 | 1236::4 | 763913     |         | 1280  |
 | 302507 | null     | null      | null    | unlabelled |         | 0     |
 | 302508 | null     | null      | null    | unlabelled |         | 0     |
 | 302509 | null     | null      | null    | unlabelled |         | 0     |
 | 302510 | null     | null      | null    | unlabelled |         | 0     |
 | 302511 | null     | null      | null    | unlabelled |         | 0     |
 | 319566 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 506597 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 635081 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 666090 | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 745675 | v1:6     | ethernet2 | 1236::4 | 3          |         | 0     |
 | 757927 | v1:4     | ethernet2 | 1.1.3.4 | 3          |         | 0     |
 | 811615 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 857478 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 868067 | v1:4     | ethernet1 | 1.1.2.2 | 3          |         | 0     |
 | 992763 | 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 |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 144808  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 161487  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 272350  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 539543  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 572582  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 729383  | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 | 763909  | null     | null      | null    | unlabelled |         | 0     |
 | 763910  | v1:6     | ethernet1 | 1236::3 | 302503     |         | 0     |
 | 763911  | v1:6     | ethernet1 | 1236::3 | 302504     |         | 0     |
 | 763912  | v1:6     | ethernet1 | 1236::3 | 302505     |         | 0     |
 | 763913  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 763914  | null     | null      | null    | unlabelled |         | 0     |
 | 763915  | null     | null      | null    | unlabelled |         | 0     |
 | 763916  | null     | null      | null    | unlabelled |         | 0     |
 | 763917  | null     | null      | null    | unlabelled |         | 0     |
 | 763918  | null     | null      | null    | unlabelled |         | 0     |
 | 949402  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 961964  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 987000  | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 | 1012711 | null     | null      | null    | unlabelled |         | 0     |
 | 1012712 | v1:4     | ethernet1 | 1.1.3.3 | 161751     |         | 0     |
 | 1012713 | v1:4     | ethernet1 | 1.1.3.3 | 161752     |         | 0     |
 | 1012714 | v1:4     | ethernet1 | 1.1.3.3 | 161753     |         | 0     |
 | 1012715 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 1012716 | null     | null      | null    | unlabelled |         | 0     |
 | 1012717 | null     | null      | null    | unlabelled |         | 0     |
 | 1012718 | null     | null      | null    | unlabelled |         | 0     |
 | 1012719 | null     | null      | null    | unlabelled |         | 0     |
 | 1012720 | null     | null      | null    | unlabelled |         | 0     |
 | 1024929 | tester:6 | null      | null    | unlabelled | local   | 0     |
 |_________|__________|___________|_________|____________|_________|_______|
r4#
r4#