here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label   | vrf      | iface     | hop     | label      | targets | bytes |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 40672   | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 577950  | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 | 653855  | null     | null      | null    | unlabelled |         | 0     |
 | 653856  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 653857  | v1:4     | ethernet1 | 1.1.1.2 | 904483     |         | 0     |
 | 653858  | v1:4     | ethernet1 | 1.1.1.2 | 904484     |         | 0     |
 | 653859  | v1:4     | ethernet1 | 1.1.1.2 | 904485     |         | 0     |
 | 653860  | null     | null      | null    | unlabelled |         | 0     |
 | 653861  | null     | null      | null    | unlabelled |         | 0     |
 | 653862  | null     | null      | null    | unlabelled |         | 0     |
 | 653863  | null     | null      | null    | unlabelled |         | 0     |
 | 653864  | null     | null      | null    | unlabelled |         | 0     |
 | 864892  | v1:6     | ethernet1 | 1234::2 | 3          |         | 0     |
 | 913390  | null     | null      | null    | unlabelled |         | 0     |
 | 913391  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 913392  | v1:6     | ethernet1 | 1234::2 | 317967     |         | 0     |
 | 913393  | v1:6     | ethernet1 | 1234::2 | 317968     |         | 0     |
 | 913394  | v1:6     | ethernet1 | 1234::2 | 317969     |         | 0     |
 | 913395  | null     | null      | null    | unlabelled |         | 0     |
 | 913396  | null     | null      | null    | unlabelled |         | 0     |
 | 913397  | null     | null      | null    | unlabelled |         | 0     |
 | 913398  | null     | null      | null    | unlabelled |         | 0     |
 | 913399  | null     | null      | null    | unlabelled |         | 0     |
 | 988218  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 1025984 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 1041259 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 11077  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 158855 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 232446 | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 | 308066 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 317965 | null     | null      | null    | unlabelled |         | 0     |
 | 317966 | v1:6     | ethernet1 | 1234::1 | 913391     |         | 1280  |
 | 317967 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 317968 | v1:6     | ethernet2 | 1235::3 | 142858     |         | 640   |
 | 317969 | v1:6     | ethernet2 | 1235::3 | 142859     |         | 640   |
 | 317970 | null     | null      | null    | unlabelled |         | 0     |
 | 317971 | null     | null      | null    | unlabelled |         | 0     |
 | 317972 | null     | null      | null    | unlabelled |         | 0     |
 | 317973 | null     | null      | null    | unlabelled |         | 0     |
 | 317974 | null     | null      | null    | unlabelled |         | 0     |
 | 429732 | v1:6     | ethernet1 | 1234::1 | 3          |         | 0     |
 | 510071 | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 564602 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 624998 | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 | 904481 | null     | null      | null    | unlabelled |         | 0     |
 | 904482 | v1:4     | ethernet1 | 1.1.1.1 | 653856     |         | 1280  |
 | 904483 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 904484 | v1:4     | ethernet2 | 1.1.2.3 | 240687     |         | 640   |
 | 904485 | v1:4     | ethernet2 | 1.1.2.3 | 240688     |         | 640   |
 | 904486 | null     | null      | null    | unlabelled |         | 0     |
 | 904487 | null     | null      | null    | unlabelled |         | 0     |
 | 904488 | null     | null      | null    | unlabelled |         | 0     |
 | 904489 | null     | null      | null    | unlabelled |         | 0     |
 | 904490 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 124886 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 142855 | null     | null      | null    | unlabelled |         | 0     |
 | 142856 | v1:6     | ethernet1 | 1235::2 | 317966     |         | 640   |
 | 142857 | v1:6     | ethernet1 | 1235::2 | 317967     |         | 640   |
 | 142858 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 142859 | v1:6     | ethernet2 | 1236::4 | 993149     |         | 1280  |
 | 142860 | null     | null      | null    | unlabelled |         | 0     |
 | 142861 | null     | null      | null    | unlabelled |         | 0     |
 | 142862 | null     | null      | null    | unlabelled |         | 0     |
 | 142863 | null     | null      | null    | unlabelled |         | 0     |
 | 142864 | null     | null      | null    | unlabelled |         | 0     |
 | 240684 | null     | null      | null    | unlabelled |         | 0     |
 | 240685 | v1:4     | ethernet1 | 1.1.2.2 | 904482     |         | 640   |
 | 240686 | v1:4     | ethernet1 | 1.1.2.2 | 904483     |         | 640   |
 | 240687 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 240688 | v1:4     | ethernet2 | 1.1.3.4 | 876354     |         | 1280  |
 | 240689 | null     | null      | null    | unlabelled |         | 0     |
 | 240690 | null     | null      | null    | unlabelled |         | 0     |
 | 240691 | null     | null      | null    | unlabelled |         | 0     |
 | 240692 | null     | null      | null    | unlabelled |         | 0     |
 | 240693 | null     | null      | null    | unlabelled |         | 0     |
 | 461074 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 464775 | v1:6     | ethernet2 | 1236::4 | 3          |         | 0     |
 | 604988 | v1:4     | ethernet1 | 1.1.2.2 | 3          |         | 0     |
 | 656080 | v1:4     | ethernet2 | 1.1.3.4 | 3          |         | 0     |
 | 818884 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 825834 | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 989377 | v1:4     | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 81403  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 204024 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 208081 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 406559 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 417810 | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 | 681063 | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 | 876350 | null     | null      | null    | unlabelled |         | 0     |
 | 876351 | v1:4     | ethernet1 | 1.1.3.3 | 240685     |         | 0     |
 | 876352 | v1:4     | ethernet1 | 1.1.3.3 | 240686     |         | 0     |
 | 876353 | v1:4     | ethernet1 | 1.1.3.3 | 240687     |         | 0     |
 | 876354 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 876355 | null     | null      | null    | unlabelled |         | 0     |
 | 876356 | null     | null      | null    | unlabelled |         | 0     |
 | 876357 | null     | null      | null    | unlabelled |         | 0     |
 | 876358 | null     | null      | null    | unlabelled |         | 0     |
 | 876359 | null     | null      | null    | unlabelled |         | 0     |
 | 993145 | null     | null      | null    | unlabelled |         | 0     |
 | 993146 | v1:6     | ethernet1 | 1236::3 | 142856     |         | 0     |
 | 993147 | v1:6     | ethernet1 | 1236::3 | 142857     |         | 0     |
 | 993148 | v1:6     | ethernet1 | 1236::3 | 142858     |         | 0     |
 | 993149 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 993150 | null     | null      | null    | unlabelled |         | 0     |
 | 993151 | null     | null      | null    | unlabelled |         | 0     |
 | 993152 | null     | null      | null    | unlabelled |         | 0     |
 | 993153 | null     | null      | null    | unlabelled |         | 0     |
 | 993154 | null     | null      | null    | unlabelled |         | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r4#
r4#