here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 19594  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 62868  | v1:6     | ethernet1 | 1234::2 | 3          |         | 0     |
 | 395867 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 500653 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 504220 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 789166 | null     | null      | null    | unlabelled |         | 0     |
 | 789167 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 789168 | v1:6     | ethernet1 | 1234::2 | 82768      |         | 0     |
 | 789169 | v1:6     | ethernet1 | 1234::2 | 82769      |         | 0     |
 | 789170 | v1:6     | ethernet1 | 1234::2 | 82770      |         | 0     |
 | 789171 | null     | null      | null    | unlabelled |         | 0     |
 | 789172 | null     | null      | null    | unlabelled |         | 0     |
 | 789173 | null     | null      | null    | unlabelled |         | 0     |
 | 789174 | null     | null      | null    | unlabelled |         | 0     |
 | 789175 | null     | null      | null    | unlabelled |         | 0     |
 | 799245 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 813785 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 829312 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 846678 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 896279 | null     | null      | null    | unlabelled |         | 0     |
 | 896280 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 896281 | v1:4     | ethernet1 | 1.1.1.2 | 958551     |         | 0     |
 | 896282 | v1:4     | ethernet1 | 1.1.1.2 | 958552     |         | 0     |
 | 896283 | v1:4     | ethernet1 | 1.1.1.2 | 958553     |         | 0     |
 | 896284 | null     | null      | null    | unlabelled |         | 0     |
 | 896285 | null     | null      | null    | unlabelled |         | 0     |
 | 896286 | null     | null      | null    | unlabelled |         | 0     |
 | 896287 | null     | null      | null    | unlabelled |         | 0     |
 | 896288 | null     | null      | null    | unlabelled |         | 0     |
 | 929083 | v1:4     | ethernet1 | 1.1.1.2 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 82766  | null     | null      | null    | unlabelled |         | 0     |
 | 82767  | v1:6     | ethernet1 | 1234::1 | 789167     |         | 1280  |
 | 82768  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 82769  | v1:6     | ethernet2 | 1235::3 | 366862     |         | 640   |
 | 82770  | v1:6     | ethernet2 | 1235::3 | 366863     |         | 640   |
 | 82771  | null     | null      | null    | unlabelled |         | 0     |
 | 82772  | null     | null      | null    | unlabelled |         | 0     |
 | 82773  | null     | null      | null    | unlabelled |         | 0     |
 | 82774  | null     | null      | null    | unlabelled |         | 0     |
 | 82775  | null     | null      | null    | unlabelled |         | 0     |
 | 263366 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 382658 | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 432792 | v1:6     | ethernet1 | 1234::1 | 3          |         | 0     |
 | 442380 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 467248 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 546385 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 553521 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 618600 | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 | 625860 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 840723 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 849926 | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 | 855317 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 958549 | null     | null      | null    | unlabelled |         | 0     |
 | 958550 | v1:4     | ethernet1 | 1.1.1.1 | 896280     |         | 1280  |
 | 958551 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 958552 | v1:4     | ethernet2 | 1.1.2.3 | 507947     |         | 640   |
 | 958553 | v1:4     | ethernet2 | 1.1.2.3 | 507948     |         | 640   |
 | 958554 | null     | null      | null    | unlabelled |         | 0     |
 | 958555 | null     | null      | null    | unlabelled |         | 0     |
 | 958556 | null     | null      | null    | unlabelled |         | 0     |
 | 958557 | null     | null      | null    | unlabelled |         | 0     |
 | 958558 | null     | null      | null    | unlabelled |         | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r2#
r2#
here is the lib:
r3#
r3#
r3#show mpls forw
r3#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 4674   | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 34192  | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 35017  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 268948 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 366859 | null     | null      | null    | unlabelled |         | 0     |
 | 366860 | v1:6     | ethernet1 | 1235::2 | 82767      |         | 640   |
 | 366861 | v1:6     | ethernet1 | 1235::2 | 82768      |         | 640   |
 | 366862 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 366863 | v1:6     | ethernet2 | 1236::4 | 650338     |         | 1280  |
 | 366864 | null     | null      | null    | unlabelled |         | 0     |
 | 366865 | null     | null      | null    | unlabelled |         | 0     |
 | 366866 | null     | null      | null    | unlabelled |         | 0     |
 | 366867 | null     | null      | null    | unlabelled |         | 0     |
 | 366868 | null     | null      | null    | unlabelled |         | 0     |
 | 486221 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 507944 | null     | null      | null    | unlabelled |         | 0     |
 | 507945 | v1:4     | ethernet1 | 1.1.2.2 | 958550     |         | 640   |
 | 507946 | v1:4     | ethernet1 | 1.1.2.2 | 958551     |         | 640   |
 | 507947 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 507948 | v1:4     | ethernet2 | 1.1.3.4 | 795414     |         | 1280  |
 | 507949 | null     | null      | null    | unlabelled |         | 0     |
 | 507950 | null     | null      | null    | unlabelled |         | 0     |
 | 507951 | null     | null      | null    | unlabelled |         | 0     |
 | 507952 | null     | null      | null    | unlabelled |         | 0     |
 | 507953 | null     | null      | null    | unlabelled |         | 0     |
 | 655872 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 660419 | v1:6     | ethernet2 | 1236::4 | 3          |         | 0     |
 | 700247 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 728874 | v1:4     | ethernet2 | 1.1.3.4 | 3          |         | 0     |
 | 789775 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 834548 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 856612 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 110775 | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 | 248059 | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 | 258273 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 340322 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 424973 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 443444 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 525729 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 650334 | null     | null      | null    | unlabelled |         | 0     |
 | 650335 | v1:6     | ethernet1 | 1236::3 | 366860     |         | 0     |
 | 650336 | v1:6     | ethernet1 | 1236::3 | 366861     |         | 0     |
 | 650337 | v1:6     | ethernet1 | 1236::3 | 366862     |         | 0     |
 | 650338 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 650339 | null     | null      | null    | unlabelled |         | 0     |
 | 650340 | null     | null      | null    | unlabelled |         | 0     |
 | 650341 | null     | null      | null    | unlabelled |         | 0     |
 | 650342 | null     | null      | null    | unlabelled |         | 0     |
 | 650343 | null     | null      | null    | unlabelled |         | 0     |
 | 672920 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 676620 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 750867 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 795410 | null     | null      | null    | unlabelled |         | 0     |
 | 795411 | v1:4     | ethernet1 | 1.1.3.3 | 507945     |         | 0     |
 | 795412 | v1:4     | ethernet1 | 1.1.3.3 | 507946     |         | 0     |
 | 795413 | v1:4     | ethernet1 | 1.1.3.3 | 507947     |         | 0     |
 | 795414 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 795415 | null     | null      | null    | unlabelled |         | 0     |
 | 795416 | null     | null      | null    | unlabelled |         | 0     |
 | 795417 | null     | null      | null    | unlabelled |         | 0     |
 | 795418 | null     | null      | null    | unlabelled |         | 0     |
 | 795419 | null     | null      | null    | unlabelled |         | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r4#
r4#