here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 158037 | null     | null      | null    | unlabelled |         | 0     |
 | 158038 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 158039 | v1:4     | ethernet1 | 1.1.1.2 | 276549     |         | 0     |
 | 158040 | v1:4     | ethernet1 | 1.1.1.2 | 276550     |         | 0     |
 | 158041 | v1:4     | ethernet1 | 1.1.1.2 | 276551     |         | 0     |
 | 158042 | null     | null      | null    | unlabelled |         | 0     |
 | 158043 | null     | null      | null    | unlabelled |         | 0     |
 | 158044 | null     | null      | null    | unlabelled |         | 0     |
 | 158045 | null     | null      | null    | unlabelled |         | 0     |
 | 158046 | null     | null      | null    | unlabelled |         | 0     |
 | 310357 | null     | null      | null    | unlabelled |         | 0     |
 | 310358 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 310359 | v1:6     | ethernet1 | 1234::2 | 684641     |         | 0     |
 | 310360 | v1:6     | ethernet1 | 1234::2 | 684642     |         | 0     |
 | 310361 | v1:6     | ethernet1 | 1234::2 | 684643     |         | 0     |
 | 310362 | null     | null      | null    | unlabelled |         | 0     |
 | 310363 | null     | null      | null    | unlabelled |         | 0     |
 | 310364 | null     | null      | null    | unlabelled |         | 0     |
 | 310365 | null     | null      | null    | unlabelled |         | 0     |
 | 310366 | null     | null      | null    | unlabelled |         | 0     |
 | 326791 | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 | 390258 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 537612 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 569540 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 735688 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 777341 | 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 |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 128753  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 264720  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 276547  | null     | null      | null    | unlabelled |         | 0     |
 | 276548  | v1:4     | ethernet1 | 1.1.1.1 | 158038     |         | 1280  |
 | 276549  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 276550  | v1:4     | ethernet2 | 1.1.2.3 | 606727     |         | 640   |
 | 276551  | v1:4     | ethernet2 | 1.1.2.3 | 606728     |         | 640   |
 | 276552  | null     | null      | null    | unlabelled |         | 0     |
 | 276553  | null     | null      | null    | unlabelled |         | 0     |
 | 276554  | null     | null      | null    | unlabelled |         | 0     |
 | 276555  | null     | null      | null    | unlabelled |         | 0     |
 | 276556  | null     | null      | null    | unlabelled |         | 0     |
 | 355110  | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 | 370362  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 478752  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 498863  | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 | 684639  | null     | null      | null    | unlabelled |         | 0     |
 | 684640  | v1:6     | ethernet1 | 1234::1 | 310358     |         | 1280  |
 | 684641  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 684642  | v1:6     | ethernet2 | 1235::3 | 540648     |         | 640   |
 | 684643  | v1:6     | ethernet2 | 1235::3 | 540649     |         | 640   |
 | 684644  | null     | null      | null    | unlabelled |         | 0     |
 | 684645  | null     | null      | null    | unlabelled |         | 0     |
 | 684646  | null     | null      | null    | unlabelled |         | 0     |
 | 684647  | null     | null      | null    | unlabelled |         | 0     |
 | 684648  | null     | null      | null    | unlabelled |         | 0     |
 | 743627  | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 1016648 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 133923 | v1:4     | ethernet2 | 1.1.3.4 | 3          |         | 0     |
 | 540645 | null     | null      | null    | unlabelled |         | 0     |
 | 540646 | v1:6     | ethernet1 | 1235::2 | 684640     |         | 640   |
 | 540647 | v1:6     | ethernet1 | 1235::2 | 684641     |         | 640   |
 | 540648 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 540649 | v1:6     | ethernet2 | 1236::4 | 659459     |         | 1280  |
 | 540650 | null     | null      | null    | unlabelled |         | 0     |
 | 540651 | null     | null      | null    | unlabelled |         | 0     |
 | 540652 | null     | null      | null    | unlabelled |         | 0     |
 | 540653 | null     | null      | null    | unlabelled |         | 0     |
 | 540654 | null     | null      | null    | unlabelled |         | 0     |
 | 581986 | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 606724 | null     | null      | null    | unlabelled |         | 0     |
 | 606725 | v1:4     | ethernet1 | 1.1.2.2 | 276548     |         | 640   |
 | 606726 | v1:4     | ethernet1 | 1.1.2.2 | 276549     |         | 640   |
 | 606727 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 606728 | v1:4     | ethernet2 | 1.1.3.4 | 572548     |         | 1280  |
 | 606729 | null     | null      | null    | unlabelled |         | 0     |
 | 606730 | null     | null      | null    | unlabelled |         | 0     |
 | 606731 | null     | null      | null    | unlabelled |         | 0     |
 | 606732 | null     | null      | null    | unlabelled |         | 0     |
 | 606733 | null     | null      | null    | unlabelled |         | 0     |
 | 644578 | v1:4     | ethernet1 | 1.1.2.2 | 3          |         | 0     |
 | 733228 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 737183 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 770711 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 843635 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 903691 | v1:6     | ethernet2 | 1236::4 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 259150 | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 | 278524 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 358679 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 519779 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 572544 | null     | null      | null    | unlabelled |         | 0     |
 | 572545 | v1:4     | ethernet1 | 1.1.3.3 | 606725     |         | 0     |
 | 572546 | v1:4     | ethernet1 | 1.1.3.3 | 606726     |         | 0     |
 | 572547 | v1:4     | ethernet1 | 1.1.3.3 | 606727     |         | 0     |
 | 572548 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 572549 | null     | null      | null    | unlabelled |         | 0     |
 | 572550 | null     | null      | null    | unlabelled |         | 0     |
 | 572551 | null     | null      | null    | unlabelled |         | 0     |
 | 572552 | null     | null      | null    | unlabelled |         | 0     |
 | 572553 | null     | null      | null    | unlabelled |         | 0     |
 | 659455 | null     | null      | null    | unlabelled |         | 0     |
 | 659456 | v1:6     | ethernet1 | 1236::3 | 540646     |         | 0     |
 | 659457 | v1:6     | ethernet1 | 1236::3 | 540647     |         | 0     |
 | 659458 | v1:6     | ethernet1 | 1236::3 | 540648     |         | 0     |
 | 659459 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 659460 | null     | null      | null    | unlabelled |         | 0     |
 | 659461 | null     | null      | null    | unlabelled |         | 0     |
 | 659462 | null     | null      | null    | unlabelled |         | 0     |
 | 659463 | null     | null      | null    | unlabelled |         | 0     |
 | 659464 | null     | null      | null    | unlabelled |         | 0     |
 | 777644 | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 | 861720 | v1:6     | null      | null    | unlabelled | local   | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r4#
r4#