here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 62313  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 112024 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 219104 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 227616 | v1:6     | ethernet1 | 1234::2 | 3          |         | 0     |
 | 385095 | null     | null      | null    | unlabelled |         | 0     |
 | 385096 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 385097 | v1:6     | ethernet1 | 1234::2 | 981879     |         | 0     |
 | 385098 | v1:6     | ethernet1 | 1234::2 | 981880     |         | 0     |
 | 385099 | v1:6     | ethernet1 | 1234::2 | 981881     |         | 0     |
 | 385100 | null     | null      | null    | unlabelled |         | 0     |
 | 385101 | null     | null      | null    | unlabelled |         | 0     |
 | 385102 | null     | null      | null    | unlabelled |         | 0     |
 | 385103 | null     | null      | null    | unlabelled |         | 0     |
 | 385104 | null     | null      | null    | unlabelled |         | 0     |
 | 414650 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 578546 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 780817 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 815890 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 843447 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 890777 | null     | null      | null    | unlabelled |         | 0     |
 | 890778 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 890779 | v1:4     | ethernet1 | 1.1.1.2 | 797034     |         | 0     |
 | 890780 | v1:4     | ethernet1 | 1.1.1.2 | 797035     |         | 0     |
 | 890781 | v1:4     | ethernet1 | 1.1.1.2 | 797036     |         | 0     |
 | 890782 | null     | null      | null    | unlabelled |         | 0     |
 | 890783 | null     | null      | null    | unlabelled |         | 0     |
 | 890784 | null     | null      | null    | unlabelled |         | 0     |
 | 890785 | null     | null      | null    | unlabelled |         | 0     |
 | 890786 | null     | null      | null    | unlabelled |         | 0     |
 | 924568 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 28410  | v1:6     | ethernet1 | 1234::1 | 3          |         | 0     |
 | 139384 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 159981 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 328641 | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 356634 | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 | 405676 | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 | 500622 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 618254 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 781813 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 797032 | null     | null      | null    | unlabelled |         | 0     |
 | 797033 | v1:4     | ethernet1 | 1.1.1.1 | 890778     |         | 1280  |
 | 797034 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 797035 | v1:4     | ethernet2 | 1.1.2.3 | 66904      |         | 640   |
 | 797036 | v1:4     | ethernet2 | 1.1.2.3 | 66905      |         | 640   |
 | 797037 | null     | null      | null    | unlabelled |         | 0     |
 | 797038 | null     | null      | null    | unlabelled |         | 0     |
 | 797039 | null     | null      | null    | unlabelled |         | 0     |
 | 797040 | null     | null      | null    | unlabelled |         | 0     |
 | 797041 | null     | null      | null    | unlabelled |         | 0     |
 | 823196 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 961380 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 970538 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 981877 | null     | null      | null    | unlabelled |         | 0     |
 | 981878 | v1:6     | ethernet1 | 1234::1 | 385096     |         | 1280  |
 | 981879 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 981880 | v1:6     | ethernet2 | 1235::3 | 968343     |         | 640   |
 | 981881 | v1:6     | ethernet2 | 1235::3 | 968344     |         | 640   |
 | 981882 | null     | null      | null    | unlabelled |         | 0     |
 | 981883 | null     | null      | null    | unlabelled |         | 0     |
 | 981884 | null     | null      | null    | unlabelled |         | 0     |
 | 981885 | null     | null      | null    | unlabelled |         | 0     |
 | 981886 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 27245  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 66901  | null     | null      | null    | unlabelled |         | 0     |
 | 66902  | v1:4     | ethernet1 | 1.1.2.2 | 797033     |         | 640   |
 | 66903  | v1:4     | ethernet1 | 1.1.2.2 | 797034     |         | 640   |
 | 66904  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 66905  | v1:4     | ethernet2 | 1.1.3.4 | 28553      |         | 1280  |
 | 66906  | null     | null      | null    | unlabelled |         | 0     |
 | 66907  | null     | null      | null    | unlabelled |         | 0     |
 | 66908  | null     | null      | null    | unlabelled |         | 0     |
 | 66909  | null     | null      | null    | unlabelled |         | 0     |
 | 66910  | null     | null      | null    | unlabelled |         | 0     |
 | 100875 | v1:4     | ethernet2 | 1.1.3.4 | 3          |         | 0     |
 | 106556 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 190241 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 251047 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 320196 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 384208 | v1:6     | ethernet2 | 1236::4 | 3          |         | 0     |
 | 578021 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 587796 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 591323 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 837863 | v1:4     | ethernet1 | 1.1.2.2 | 3          |         | 0     |
 | 921763 | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 968340 | null     | null      | null    | unlabelled |         | 0     |
 | 968341 | v1:6     | ethernet1 | 1235::2 | 981878     |         | 640   |
 | 968342 | v1:6     | ethernet1 | 1235::2 | 981879     |         | 640   |
 | 968343 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 968344 | v1:6     | ethernet2 | 1236::4 | 859786     |         | 1280  |
 | 968345 | null     | null      | null    | unlabelled |         | 0     |
 | 968346 | null     | null      | null    | unlabelled |         | 0     |
 | 968347 | null     | null      | null    | unlabelled |         | 0     |
 | 968348 | null     | null      | null    | unlabelled |         | 0     |
 | 968349 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 321    | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 | 28549  | null     | null      | null    | unlabelled |         | 0     |
 | 28550  | v1:4     | ethernet1 | 1.1.3.3 | 66902      |         | 0     |
 | 28551  | v1:4     | ethernet1 | 1.1.3.3 | 66903      |         | 0     |
 | 28552  | v1:4     | ethernet1 | 1.1.3.3 | 66904      |         | 0     |
 | 28553  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 28554  | null     | null      | null    | unlabelled |         | 0     |
 | 28555  | null     | null      | null    | unlabelled |         | 0     |
 | 28556  | null     | null      | null    | unlabelled |         | 0     |
 | 28557  | null     | null      | null    | unlabelled |         | 0     |
 | 28558  | null     | null      | null    | unlabelled |         | 0     |
 | 63153  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 134769 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 422052 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 528252 | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 | 620617 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 725786 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 775566 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 795788 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 845891 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 859782 | null     | null      | null    | unlabelled |         | 0     |
 | 859783 | v1:6     | ethernet1 | 1236::3 | 968341     |         | 0     |
 | 859784 | v1:6     | ethernet1 | 1236::3 | 968342     |         | 0     |
 | 859785 | v1:6     | ethernet1 | 1236::3 | 968343     |         | 0     |
 | 859786 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 859787 | null     | null      | null    | unlabelled |         | 0     |
 | 859788 | null     | null      | null    | unlabelled |         | 0     |
 | 859789 | null     | null      | null    | unlabelled |         | 0     |
 | 859790 | null     | null      | null    | unlabelled |         | 0     |
 | 859791 | null     | null      | null    | unlabelled |         | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r4#
r4#