here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label   | vrf      | iface     | hop     | label      | targets | bytes |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 47559   | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 94539   | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 202759  | v1:6     | ethernet1 | 1234::2 | 3          |         | 0     |
 | 267357  | null     | null      | null    | unlabelled |         | 0     |
 | 267358  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 267359  | v1:4     | ethernet1 | 1.1.1.2 | 878169     |         | 0     |
 | 267360  | v1:4     | ethernet1 | 1.1.1.2 | 878170     |         | 0     |
 | 267361  | v1:4     | ethernet1 | 1.1.1.2 | 878171     |         | 0     |
 | 267362  | null     | null      | null    | unlabelled |         | 0     |
 | 267363  | null     | null      | null    | unlabelled |         | 0     |
 | 267364  | null     | null      | null    | unlabelled |         | 0     |
 | 267365  | null     | null      | null    | unlabelled |         | 0     |
 | 267366  | null     | null      | null    | unlabelled |         | 0     |
 | 376444  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 527030  | null     | null      | null    | unlabelled |         | 0     |
 | 527031  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 527032  | v1:6     | ethernet1 | 1234::2 | 972954     |         | 0     |
 | 527033  | v1:6     | ethernet1 | 1234::2 | 972955     |         | 0     |
 | 527034  | v1:6     | ethernet1 | 1234::2 | 972956     |         | 0     |
 | 527035  | null     | null      | null    | unlabelled |         | 0     |
 | 527036  | null     | null      | null    | unlabelled |         | 0     |
 | 527037  | null     | null      | null    | unlabelled |         | 0     |
 | 527038  | null     | null      | null    | unlabelled |         | 0     |
 | 527039  | null     | null      | null    | unlabelled |         | 0     |
 | 627986  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 731981  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 805051  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 810640  | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 | 1004730 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 1020963 | tester: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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 108407 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 206659 | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 | 207170 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 222264 | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 | 265862 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 296087 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 432587 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 442242 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 531389 | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 826036 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 878167 | null     | null      | null    | unlabelled |         | 0     |
 | 878168 | v1:4     | ethernet1 | 1.1.1.1 | 267358     |         | 1280  |
 | 878169 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 878170 | v1:4     | ethernet2 | 1.1.2.3 | 285143     |         | 640   |
 | 878171 | v1:4     | ethernet2 | 1.1.2.3 | 285144     |         | 640   |
 | 878172 | null     | null      | null    | unlabelled |         | 0     |
 | 878173 | null     | null      | null    | unlabelled |         | 0     |
 | 878174 | null     | null      | null    | unlabelled |         | 0     |
 | 878175 | null     | null      | null    | unlabelled |         | 0     |
 | 878176 | null     | null      | null    | unlabelled |         | 0     |
 | 921489 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 945371 | v1:6     | ethernet1 | 1234::1 | 3          |         | 0     |
 | 972952 | null     | null      | null    | unlabelled |         | 0     |
 | 972953 | v1:6     | ethernet1 | 1234::1 | 527031     |         | 1280  |
 | 972954 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 972955 | v1:6     | ethernet2 | 1235::3 | 606737     |         | 640   |
 | 972956 | v1:6     | ethernet2 | 1235::3 | 606738     |         | 640   |
 | 972957 | null     | null      | null    | unlabelled |         | 0     |
 | 972958 | null     | null      | null    | unlabelled |         | 0     |
 | 972959 | null     | null      | null    | unlabelled |         | 0     |
 | 972960 | null     | null      | null    | unlabelled |         | 0     |
 | 972961 | 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 |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 112854  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 194465  | v1:6     | ethernet2 | 1236::4 | 3          |         | 0     |
 | 248325  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 285140  | null     | null      | null    | unlabelled |         | 0     |
 | 285141  | v1:4     | ethernet1 | 1.1.2.2 | 878168     |         | 640   |
 | 285142  | v1:4     | ethernet1 | 1.1.2.2 | 878169     |         | 640   |
 | 285143  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 285144  | v1:4     | ethernet2 | 1.1.3.4 | 127535     |         | 1280  |
 | 285145  | null     | null      | null    | unlabelled |         | 0     |
 | 285146  | null     | null      | null    | unlabelled |         | 0     |
 | 285147  | null     | null      | null    | unlabelled |         | 0     |
 | 285148  | null     | null      | null    | unlabelled |         | 0     |
 | 285149  | null     | null      | null    | unlabelled |         | 0     |
 | 364168  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 429030  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 606734  | null     | null      | null    | unlabelled |         | 0     |
 | 606735  | v1:6     | ethernet1 | 1235::2 | 972953     |         | 640   |
 | 606736  | v1:6     | ethernet1 | 1235::2 | 972954     |         | 640   |
 | 606737  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 606738  | v1:6     | ethernet2 | 1236::4 | 593680     |         | 1280  |
 | 606739  | null     | null      | null    | unlabelled |         | 0     |
 | 606740  | null     | null      | null    | unlabelled |         | 0     |
 | 606741  | null     | null      | null    | unlabelled |         | 0     |
 | 606742  | null     | null      | null    | unlabelled |         | 0     |
 | 606743  | null     | null      | null    | unlabelled |         | 0     |
 | 611353  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 704810  | v1:4     | ethernet2 | 1.1.3.4 | 3          |         | 0     |
 | 846224  | v1:4     | ethernet1 | 1.1.2.2 | 3          |         | 0     |
 | 865985  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 891385  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 920048  | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 1044222 | v1:6     | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 121748 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 121890 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 127531 | null     | null      | null    | unlabelled |         | 0     |
 | 127532 | v1:4     | ethernet1 | 1.1.3.3 | 285141     |         | 0     |
 | 127533 | v1:4     | ethernet1 | 1.1.3.3 | 285142     |         | 0     |
 | 127534 | v1:4     | ethernet1 | 1.1.3.3 | 285143     |         | 0     |
 | 127535 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 127536 | null     | null      | null    | unlabelled |         | 0     |
 | 127537 | null     | null      | null    | unlabelled |         | 0     |
 | 127538 | null     | null      | null    | unlabelled |         | 0     |
 | 127539 | null     | null      | null    | unlabelled |         | 0     |
 | 127540 | null     | null      | null    | unlabelled |         | 0     |
 | 158641 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 198474 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 301416 | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 | 455874 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 478698 | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 | 520925 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 567967 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 593676 | null     | null      | null    | unlabelled |         | 0     |
 | 593677 | v1:6     | ethernet1 | 1236::3 | 606735     |         | 0     |
 | 593678 | v1:6     | ethernet1 | 1236::3 | 606736     |         | 0     |
 | 593679 | v1:6     | ethernet1 | 1236::3 | 606737     |         | 0     |
 | 593680 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 593681 | null     | null      | null    | unlabelled |         | 0     |
 | 593682 | null     | null      | null    | unlabelled |         | 0     |
 | 593683 | null     | null      | null    | unlabelled |         | 0     |
 | 593684 | null     | null      | null    | unlabelled |         | 0     |
 | 593685 | null     | null      | null    | unlabelled |         | 0     |
 | 646016 | tester:6 | null      | null    | unlabelled | local   | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r4#
r4#