here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label   | vrf      | iface     | hop     | label      | targets | bytes |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 80133   | v1:6     | ethernet1 | 1234::2 | 3          |         | 0     |
 | 89335   | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 283440  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 290161  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 430750  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 613443  | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 | 684454  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 826938  | null     | null      | null    | unlabelled |         | 0     |
 | 826939  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 826940  | v1:4     | ethernet1 | 1.1.1.2 | 450937     |         | 0     |
 | 826941  | v1:4     | ethernet1 | 1.1.1.2 | 450938     |         | 0     |
 | 826942  | v1:4     | ethernet1 | 1.1.1.2 | 450939     |         | 0     |
 | 826943  | null     | null      | null    | unlabelled |         | 0     |
 | 826944  | null     | null      | null    | unlabelled |         | 0     |
 | 826945  | null     | null      | null    | unlabelled |         | 0     |
 | 826946  | null     | null      | null    | unlabelled |         | 0     |
 | 826947  | null     | null      | null    | unlabelled |         | 0     |
 | 868960  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 910615  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 985723  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 1006861 | null     | null      | null    | unlabelled |         | 0     |
 | 1006862 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 1006863 | v1:6     | ethernet1 | 1234::2 | 528668     |         | 0     |
 | 1006864 | v1:6     | ethernet1 | 1234::2 | 528669     |         | 0     |
 | 1006865 | v1:6     | ethernet1 | 1234::2 | 528670     |         | 0     |
 | 1006866 | null     | null      | null    | unlabelled |         | 0     |
 | 1006867 | null     | null      | null    | unlabelled |         | 0     |
 | 1006868 | null     | null      | null    | unlabelled |         | 0     |
 | 1006869 | null     | null      | null    | unlabelled |         | 0     |
 | 1006870 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 108226 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 365324 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 388049 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 433144 | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 450935 | null     | null      | null    | unlabelled |         | 0     |
 | 450936 | v1:4     | ethernet1 | 1.1.1.1 | 826939     |         | 1280  |
 | 450937 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 450938 | v1:4     | ethernet2 | 1.1.2.3 | 213721     |         | 640   |
 | 450939 | v1:4     | ethernet2 | 1.1.2.3 | 213722     |         | 640   |
 | 450940 | null     | null      | null    | unlabelled |         | 0     |
 | 450941 | null     | null      | null    | unlabelled |         | 0     |
 | 450942 | null     | null      | null    | unlabelled |         | 0     |
 | 450943 | null     | null      | null    | unlabelled |         | 0     |
 | 450944 | null     | null      | null    | unlabelled |         | 0     |
 | 470225 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 528666 | null     | null      | null    | unlabelled |         | 0     |
 | 528667 | v1:6     | ethernet1 | 1234::1 | 1006862    |         | 1280  |
 | 528668 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 528669 | v1:6     | ethernet2 | 1235::3 | 441212     |         | 640   |
 | 528670 | v1:6     | ethernet2 | 1235::3 | 441213     |         | 640   |
 | 528671 | null     | null      | null    | unlabelled |         | 0     |
 | 528672 | null     | null      | null    | unlabelled |         | 0     |
 | 528673 | null     | null      | null    | unlabelled |         | 0     |
 | 528674 | null     | null      | null    | unlabelled |         | 0     |
 | 528675 | null     | null      | null    | unlabelled |         | 0     |
 | 696747 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 701823 | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 | 798232 | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 | 849576 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 872716 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 924832 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 966114 | v1:6     | ethernet1 | 1234::1 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 32692  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 61219  | v1:4     | ethernet2 | 1.1.3.4 | 3          |         | 0     |
 | 74145  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 213718 | null     | null      | null    | unlabelled |         | 0     |
 | 213719 | v1:4     | ethernet1 | 1.1.2.2 | 450936     |         | 640   |
 | 213720 | v1:4     | ethernet1 | 1.1.2.2 | 450937     |         | 640   |
 | 213721 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 213722 | v1:4     | ethernet2 | 1.1.3.4 | 972735     |         | 1280  |
 | 213723 | null     | null      | null    | unlabelled |         | 0     |
 | 213724 | null     | null      | null    | unlabelled |         | 0     |
 | 213725 | null     | null      | null    | unlabelled |         | 0     |
 | 213726 | null     | null      | null    | unlabelled |         | 0     |
 | 213727 | null     | null      | null    | unlabelled |         | 0     |
 | 352810 | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 441209 | null     | null      | null    | unlabelled |         | 0     |
 | 441210 | v1:6     | ethernet1 | 1235::2 | 528667     |         | 640   |
 | 441211 | v1:6     | ethernet1 | 1235::2 | 528668     |         | 640   |
 | 441212 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 441213 | v1:6     | ethernet2 | 1236::4 | 6175       |         | 1280  |
 | 441214 | null     | null      | null    | unlabelled |         | 0     |
 | 441215 | null     | null      | null    | unlabelled |         | 0     |
 | 441216 | null     | null      | null    | unlabelled |         | 0     |
 | 441217 | null     | null      | null    | unlabelled |         | 0     |
 | 441218 | null     | null      | null    | unlabelled |         | 0     |
 | 458089 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 475967 | v1:6     | ethernet2 | 1236::4 | 3          |         | 0     |
 | 665443 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 790370 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 797773 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 828610 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 877814 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 946866 | v1:4     | ethernet1 | 1.1.2.2 | 3          |         | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r3#
r3#
here is the lib:
r4#
r4#
r4#show mpls forw
r4#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 6171   | null     | null      | null    | unlabelled |         | 0     |
 | 6172   | v1:6     | ethernet1 | 1236::3 | 441210     |         | 0     |
 | 6173   | v1:6     | ethernet1 | 1236::3 | 441211     |         | 0     |
 | 6174   | v1:6     | ethernet1 | 1236::3 | 441212     |         | 0     |
 | 6175   | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 6176   | null     | null      | null    | unlabelled |         | 0     |
 | 6177   | null     | null      | null    | unlabelled |         | 0     |
 | 6178   | null     | null      | null    | unlabelled |         | 0     |
 | 6179   | null     | null      | null    | unlabelled |         | 0     |
 | 6180   | null     | null      | null    | unlabelled |         | 0     |
 | 162911 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 184522 | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 | 201313 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 302940 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 365813 | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 | 662718 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 822340 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 823054 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 849003 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 887730 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 972731 | null     | null      | null    | unlabelled |         | 0     |
 | 972732 | v1:4     | ethernet1 | 1.1.3.3 | 213719     |         | 0     |
 | 972733 | v1:4     | ethernet1 | 1.1.3.3 | 213720     |         | 0     |
 | 972734 | v1:4     | ethernet1 | 1.1.3.3 | 213721     |         | 0     |
 | 972735 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 972736 | null     | null      | null    | unlabelled |         | 0     |
 | 972737 | null     | null      | null    | unlabelled |         | 0     |
 | 972738 | null     | null      | null    | unlabelled |         | 0     |
 | 972739 | null     | null      | null    | unlabelled |         | 0     |
 | 972740 | null     | null      | null    | unlabelled |         | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r4#
r4#