here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 27282  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 198539 | null     | null      | null    | unlabelled |         | 0     |
 | 198540 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 198541 | v1:6     | ethernet1 | 1234::2 | 625253     |         | 0     |
 | 198542 | v1:6     | ethernet1 | 1234::2 | 625254     |         | 0     |
 | 198543 | v1:6     | ethernet1 | 1234::2 | 625255     |         | 0     |
 | 198544 | null     | null      | null    | unlabelled |         | 0     |
 | 198545 | null     | null      | null    | unlabelled |         | 0     |
 | 198546 | null     | null      | null    | unlabelled |         | 0     |
 | 198547 | null     | null      | null    | unlabelled |         | 0     |
 | 198548 | null     | null      | null    | unlabelled |         | 0     |
 | 300368 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 318809 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 457740 | null     | null      | null    | unlabelled |         | 0     |
 | 457741 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 457742 | v1:4     | ethernet1 | 1.1.1.2 | 491317     |         | 0     |
 | 457743 | v1:4     | ethernet1 | 1.1.1.2 | 491318     |         | 0     |
 | 457744 | v1:4     | ethernet1 | 1.1.1.2 | 491319     |         | 0     |
 | 457745 | null     | null      | null    | unlabelled |         | 0     |
 | 457746 | null     | null      | null    | unlabelled |         | 0     |
 | 457747 | null     | null      | null    | unlabelled |         | 0     |
 | 457748 | null     | null      | null    | unlabelled |         | 0     |
 | 457749 | null     | null      | null    | unlabelled |         | 0     |
 | 708857 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 740423 | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 | 760480 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 785066 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 797087 | v1:6     | ethernet1 | 1234::2 | 3          |         | 0     |
 | 957551 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 979690 | v1:4     | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 7940   | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 74945  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 87920  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 187356 | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 | 287646 | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 418074 | v1:6     | ethernet1 | 1234::1 | 3          |         | 0     |
 | 491315 | null     | null      | null    | unlabelled |         | 0     |
 | 491316 | v1:4     | ethernet1 | 1.1.1.1 | 457741     |         | 1280  |
 | 491317 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 491318 | v1:4     | ethernet2 | 1.1.2.3 | 643975     |         | 640   |
 | 491319 | v1:4     | ethernet2 | 1.1.2.3 | 643976     |         | 640   |
 | 491320 | null     | null      | null    | unlabelled |         | 0     |
 | 491321 | null     | null      | null    | unlabelled |         | 0     |
 | 491322 | null     | null      | null    | unlabelled |         | 0     |
 | 491323 | null     | null      | null    | unlabelled |         | 0     |
 | 491324 | null     | null      | null    | unlabelled |         | 0     |
 | 520303 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 625251 | null     | null      | null    | unlabelled |         | 0     |
 | 625252 | v1:6     | ethernet1 | 1234::1 | 198540     |         | 1280  |
 | 625253 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 625254 | v1:6     | ethernet2 | 1235::3 | 944872     |         | 640   |
 | 625255 | v1:6     | ethernet2 | 1235::3 | 944873     |         | 640   |
 | 625256 | null     | null      | null    | unlabelled |         | 0     |
 | 625257 | null     | null      | null    | unlabelled |         | 0     |
 | 625258 | null     | null      | null    | unlabelled |         | 0     |
 | 625259 | null     | null      | null    | unlabelled |         | 0     |
 | 625260 | null     | null      | null    | unlabelled |         | 0     |
 | 672168 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 735748 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 769886 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 845281 | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 | 992215 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 232783 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 319188 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 377617 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 529432 | v1:4     | ethernet2 | 1.1.3.4 | 3          |         | 0     |
 | 627367 | v1:4     | ethernet1 | 1.1.2.2 | 3          |         | 0     |
 | 643972 | null     | null      | null    | unlabelled |         | 0     |
 | 643973 | v1:4     | ethernet1 | 1.1.2.2 | 491316     |         | 640   |
 | 643974 | v1:4     | ethernet1 | 1.1.2.2 | 491317     |         | 640   |
 | 643975 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 643976 | v1:4     | ethernet2 | 1.1.3.4 | 799652     |         | 1280  |
 | 643977 | null     | null      | null    | unlabelled |         | 0     |
 | 643978 | null     | null      | null    | unlabelled |         | 0     |
 | 643979 | null     | null      | null    | unlabelled |         | 0     |
 | 643980 | null     | null      | null    | unlabelled |         | 0     |
 | 643981 | null     | null      | null    | unlabelled |         | 0     |
 | 694688 | v1:6     | ethernet2 | 1236::4 | 3          |         | 0     |
 | 720105 | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 795207 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 797381 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 910937 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 917477 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 944869 | null     | null      | null    | unlabelled |         | 0     |
 | 944870 | v1:6     | ethernet1 | 1235::2 | 625252     |         | 640   |
 | 944871 | v1:6     | ethernet1 | 1235::2 | 625253     |         | 640   |
 | 944872 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 944873 | v1:6     | ethernet2 | 1236::4 | 531669     |         | 1280  |
 | 944874 | null     | null      | null    | unlabelled |         | 0     |
 | 944875 | null     | null      | null    | unlabelled |         | 0     |
 | 944876 | null     | null      | null    | unlabelled |         | 0     |
 | 944877 | null     | null      | null    | unlabelled |         | 0     |
 | 944878 | null     | null      | null    | unlabelled |         | 0     |
 | 966498 | tester:6 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 57707  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 157805 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 225154 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 265485 | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 | 398851 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 464598 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 531665 | null     | null      | null    | unlabelled |         | 0     |
 | 531666 | v1:6     | ethernet1 | 1236::3 | 944870     |         | 0     |
 | 531667 | v1:6     | ethernet1 | 1236::3 | 944871     |         | 0     |
 | 531668 | v1:6     | ethernet1 | 1236::3 | 944872     |         | 0     |
 | 531669 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 531670 | null     | null      | null    | unlabelled |         | 0     |
 | 531671 | null     | null      | null    | unlabelled |         | 0     |
 | 531672 | null     | null      | null    | unlabelled |         | 0     |
 | 531673 | null     | null      | null    | unlabelled |         | 0     |
 | 531674 | null     | null      | null    | unlabelled |         | 0     |
 | 602456 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 680987 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 799648 | null     | null      | null    | unlabelled |         | 0     |
 | 799649 | v1:4     | ethernet1 | 1.1.3.3 | 643973     |         | 0     |
 | 799650 | v1:4     | ethernet1 | 1.1.3.3 | 643974     |         | 0     |
 | 799651 | v1:4     | ethernet1 | 1.1.3.3 | 643975     |         | 0     |
 | 799652 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 799653 | null     | null      | null    | unlabelled |         | 0     |
 | 799654 | null     | null      | null    | unlabelled |         | 0     |
 | 799655 | null     | null      | null    | unlabelled |         | 0     |
 | 799656 | null     | null      | null    | unlabelled |         | 0     |
 | 799657 | null     | null      | null    | unlabelled |         | 0     |
 | 880663 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 910273 | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r4#
r4#