here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 43592  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 101586 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 357864 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 574028 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 579577 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 594932 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 630268 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 726827 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 823398 | null     | null      | null    | unlabelled |         | 0     |
 | 823399 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 823400 | v1:4     | ethernet1 | 1.1.1.2 | 315618     |         | 0     |
 | 823401 | v1:4     | ethernet1 | 1.1.1.2 | 315619     |         | 0     |
 | 823402 | v1:4     | ethernet1 | 1.1.1.2 | 315620     |         | 0     |
 | 823403 | null     | null      | null    | unlabelled |         | 0     |
 | 823404 | null     | null      | null    | unlabelled |         | 0     |
 | 823405 | null     | null      | null    | unlabelled |         | 0     |
 | 823406 | null     | null      | null    | unlabelled |         | 0     |
 | 823407 | null     | null      | null    | unlabelled |         | 0     |
 | 892934 | null     | null      | null    | unlabelled |         | 0     |
 | 892935 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 892936 | v1:6     | ethernet1 | 1234::2 | 96622      |         | 0     |
 | 892937 | v1:6     | ethernet1 | 1234::2 | 96623      |         | 0     |
 | 892938 | v1:6     | ethernet1 | 1234::2 | 96624      |         | 0     |
 | 892939 | null     | null      | null    | unlabelled |         | 0     |
 | 892940 | null     | null      | null    | unlabelled |         | 0     |
 | 892941 | null     | null      | null    | unlabelled |         | 0     |
 | 892942 | null     | null      | null    | unlabelled |         | 0     |
 | 892943 | null     | null      | null    | unlabelled |         | 0     |
 | 933865 | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 | 992428 | v1:6     | ethernet1 | 1234::2 | 3          |         | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r1#
r1#
here is the lib:
r2#
r2#
r2#show mpls forw
r2#show mpls forw
 |~~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label   | vrf      | iface     | hop     | label      | targets | bytes |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 5340    | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 28479   | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 39859   | v1:6     | ethernet1 | 1234::1 | 3          |         | 0     |
 | 47261   | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 55387   | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 57958   | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 58872   | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 96620   | null     | null      | null    | unlabelled |         | 0     |
 | 96621   | v1:6     | ethernet1 | 1234::1 | 892935     |         | 1280  |
 | 96622   | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 96623   | v1:6     | ethernet2 | 1235::3 | 1042142    |         | 640   |
 | 96624   | v1:6     | ethernet2 | 1235::3 | 1042143    |         | 640   |
 | 96625   | null     | null      | null    | unlabelled |         | 0     |
 | 96626   | null     | null      | null    | unlabelled |         | 0     |
 | 96627   | null     | null      | null    | unlabelled |         | 0     |
 | 96628   | null     | null      | null    | unlabelled |         | 0     |
 | 96629   | null     | null      | null    | unlabelled |         | 0     |
 | 274933  | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 | 315616  | null     | null      | null    | unlabelled |         | 0     |
 | 315617  | v1:4     | ethernet1 | 1.1.1.1 | 823399     |         | 1280  |
 | 315618  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 315619  | v1:4     | ethernet2 | 1.1.2.3 | 595816     |         | 640   |
 | 315620  | v1:4     | ethernet2 | 1.1.2.3 | 595817     |         | 640   |
 | 315621  | null     | null      | null    | unlabelled |         | 0     |
 | 315622  | null     | null      | null    | unlabelled |         | 0     |
 | 315623  | null     | null      | null    | unlabelled |         | 0     |
 | 315624  | null     | null      | null    | unlabelled |         | 0     |
 | 315625  | null     | null      | null    | unlabelled |         | 0     |
 | 392197  | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 | 695531  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 744276  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 1042839 | 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 |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 8051    | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 95854   | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 214537  | v1:4     | ethernet1 | 1.1.2.2 | 3          |         | 0     |
 | 244178  | v1:6     | ethernet2 | 1236::4 | 3          |         | 0     |
 | 293144  | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 376704  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 524409  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 573924  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 590411  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 595813  | null     | null      | null    | unlabelled |         | 0     |
 | 595814  | v1:4     | ethernet1 | 1.1.2.2 | 315617     |         | 640   |
 | 595815  | v1:4     | ethernet1 | 1.1.2.2 | 315618     |         | 640   |
 | 595816  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 595817  | v1:4     | ethernet2 | 1.1.3.4 | 1008974    |         | 1280  |
 | 595818  | null     | null      | null    | unlabelled |         | 0     |
 | 595819  | null     | null      | null    | unlabelled |         | 0     |
 | 595820  | null     | null      | null    | unlabelled |         | 0     |
 | 595821  | null     | null      | null    | unlabelled |         | 0     |
 | 595822  | null     | null      | null    | unlabelled |         | 0     |
 | 614218  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 680007  | v1:4     | ethernet2 | 1.1.3.4 | 3          |         | 0     |
 | 1040564 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 1042139 | null     | null      | null    | unlabelled |         | 0     |
 | 1042140 | v1:6     | ethernet1 | 1235::2 | 96621      |         | 640   |
 | 1042141 | v1:6     | ethernet1 | 1235::2 | 96622      |         | 640   |
 | 1042142 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 1042143 | v1:6     | ethernet2 | 1236::4 | 762401     |         | 1280  |
 | 1042144 | null     | null      | null    | unlabelled |         | 0     |
 | 1042145 | null     | null      | null    | unlabelled |         | 0     |
 | 1042146 | null     | null      | null    | unlabelled |         | 0     |
 | 1042147 | null     | null      | null    | unlabelled |         | 0     |
 | 1042148 | null     | null      | null    | unlabelled |         | 0     |
 |_________|__________|___________|_________|____________|_________|_______|
r3#
r3#
here is the lib:
r4#
r4#
r4#show mpls forw
r4#show mpls forw
 |~~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label   | vrf      | iface     | hop     | label      | targets | bytes |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 379099  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 442826  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 491283  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 685648  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 760637  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 762397  | null     | null      | null    | unlabelled |         | 0     |
 | 762398  | v1:6     | ethernet1 | 1236::3 | 1042140    |         | 0     |
 | 762399  | v1:6     | ethernet1 | 1236::3 | 1042141    |         | 0     |
 | 762400  | v1:6     | ethernet1 | 1236::3 | 1042142    |         | 0     |
 | 762401  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 762402  | null     | null      | null    | unlabelled |         | 0     |
 | 762403  | null     | null      | null    | unlabelled |         | 0     |
 | 762404  | null     | null      | null    | unlabelled |         | 0     |
 | 762405  | null     | null      | null    | unlabelled |         | 0     |
 | 762406  | null     | null      | null    | unlabelled |         | 0     |
 | 795163  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 860452  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 876165  | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 | 974390  | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 | 976027  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 1008970 | null     | null      | null    | unlabelled |         | 0     |
 | 1008971 | v1:4     | ethernet1 | 1.1.3.3 | 595814     |         | 0     |
 | 1008972 | v1:4     | ethernet1 | 1.1.3.3 | 595815     |         | 0     |
 | 1008973 | v1:4     | ethernet1 | 1.1.3.3 | 595816     |         | 0     |
 | 1008974 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 1008975 | null     | null      | null    | unlabelled |         | 0     |
 | 1008976 | null     | null      | null    | unlabelled |         | 0     |
 | 1008977 | null     | null      | null    | unlabelled |         | 0     |
 | 1008978 | null     | null      | null    | unlabelled |         | 0     |
 | 1008979 | null     | null      | null    | unlabelled |         | 0     |
 |_________|__________|___________|_________|____________|_________|_______|
r4#
r4#