here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 110729 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 208550 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 224016 | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 | 380244 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 388418 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 451320 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 487625 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 602517 | null     | null      | null    | unlabelled |         | 0     |
 | 602518 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 602519 | v1:6     | ethernet1 | 1234::2 | 110577     |         | 0     |
 | 602520 | v1:6     | ethernet1 | 1234::2 | 110578     |         | 0     |
 | 602521 | v1:6     | ethernet1 | 1234::2 | 110579     |         | 0     |
 | 602522 | null     | null      | null    | unlabelled |         | 0     |
 | 602523 | null     | null      | null    | unlabelled |         | 0     |
 | 602524 | null     | null      | null    | unlabelled |         | 0     |
 | 602525 | null     | null      | null    | unlabelled |         | 0     |
 | 602526 | null     | null      | null    | unlabelled |         | 0     |
 | 719138 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 736736 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 865343 | v1:6     | ethernet1 | 1234::2 | 3          |         | 0     |
 | 920188 | null     | null      | null    | unlabelled |         | 0     |
 | 920189 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 920190 | v1:4     | ethernet1 | 1.1.1.2 | 453940     |         | 0     |
 | 920191 | v1:4     | ethernet1 | 1.1.1.2 | 453941     |         | 0     |
 | 920192 | v1:4     | ethernet1 | 1.1.1.2 | 453942     |         | 0     |
 | 920193 | null     | null      | null    | unlabelled |         | 0     |
 | 920194 | null     | null      | null    | unlabelled |         | 0     |
 | 920195 | null     | null      | null    | unlabelled |         | 0     |
 | 920196 | null     | null      | null    | unlabelled |         | 0     |
 | 920197 | null     | null      | null    | unlabelled |         | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r1#
r1#
here is the lib:
r2#
r2#
r2#show mpls forw
r2#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 36782  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 110575 | null     | null      | null    | unlabelled |         | 0     |
 | 110576 | v1:6     | ethernet1 | 1234::1 | 602518     |         | 1280  |
 | 110577 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 110578 | v1:6     | ethernet2 | 1235::3 | 408093     |         | 640   |
 | 110579 | v1:6     | ethernet2 | 1235::3 | 408094     |         | 640   |
 | 110580 | null     | null      | null    | unlabelled |         | 0     |
 | 110581 | null     | null      | null    | unlabelled |         | 0     |
 | 110582 | null     | null      | null    | unlabelled |         | 0     |
 | 110583 | null     | null      | null    | unlabelled |         | 0     |
 | 110584 | null     | null      | null    | unlabelled |         | 0     |
 | 134989 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 235028 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 292500 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 305223 | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 309409 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 371072 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 453938 | null     | null      | null    | unlabelled |         | 0     |
 | 453939 | v1:4     | ethernet1 | 1.1.1.1 | 920189     |         | 1280  |
 | 453940 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 453941 | v1:4     | ethernet2 | 1.1.2.3 | 412362     |         | 640   |
 | 453942 | v1:4     | ethernet2 | 1.1.2.3 | 412363     |         | 640   |
 | 453943 | null     | null      | null    | unlabelled |         | 0     |
 | 453944 | null     | null      | null    | unlabelled |         | 0     |
 | 453945 | null     | null      | null    | unlabelled |         | 0     |
 | 453946 | null     | null      | null    | unlabelled |         | 0     |
 | 453947 | null     | null      | null    | unlabelled |         | 0     |
 | 519390 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 644942 | v1:6     | ethernet1 | 1234::1 | 3          |         | 0     |
 | 689628 | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 | 753163 | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 | 814654 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 50032  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 52780  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 198495 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 227718 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 359222 | v1:6     | ethernet2 | 1236::4 | 3          |         | 0     |
 | 387462 | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 408090 | null     | null      | null    | unlabelled |         | 0     |
 | 408091 | v1:6     | ethernet1 | 1235::2 | 110576     |         | 640   |
 | 408092 | v1:6     | ethernet1 | 1235::2 | 110577     |         | 640   |
 | 408093 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 408094 | v1:6     | ethernet2 | 1236::4 | 780126     |         | 1280  |
 | 408095 | null     | null      | null    | unlabelled |         | 0     |
 | 408096 | null     | null      | null    | unlabelled |         | 0     |
 | 408097 | null     | null      | null    | unlabelled |         | 0     |
 | 408098 | null     | null      | null    | unlabelled |         | 0     |
 | 408099 | null     | null      | null    | unlabelled |         | 0     |
 | 411188 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 412359 | null     | null      | null    | unlabelled |         | 0     |
 | 412360 | v1:4     | ethernet1 | 1.1.2.2 | 453939     |         | 640   |
 | 412361 | v1:4     | ethernet1 | 1.1.2.2 | 453940     |         | 640   |
 | 412362 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 412363 | v1:4     | ethernet2 | 1.1.3.4 | 1021050    |         | 1280  |
 | 412364 | null     | null      | null    | unlabelled |         | 0     |
 | 412365 | null     | null      | null    | unlabelled |         | 0     |
 | 412366 | null     | null      | null    | unlabelled |         | 0     |
 | 412367 | null     | null      | null    | unlabelled |         | 0     |
 | 412368 | null     | null      | null    | unlabelled |         | 0     |
 | 450061 | v1:4     | ethernet1 | 1.1.2.2 | 3          |         | 0     |
 | 686194 | v1:4     | ethernet2 | 1.1.3.4 | 3          |         | 0     |
 | 770115 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 915527 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 927280 | 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 |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 115362  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 150565  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 279141  | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 | 357857  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 416594  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 458164  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 555715  | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 | 592441  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 596495  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 780122  | null     | null      | null    | unlabelled |         | 0     |
 | 780123  | v1:6     | ethernet1 | 1236::3 | 408091     |         | 0     |
 | 780124  | v1:6     | ethernet1 | 1236::3 | 408092     |         | 0     |
 | 780125  | v1:6     | ethernet1 | 1236::3 | 408093     |         | 0     |
 | 780126  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 780127  | null     | null      | null    | unlabelled |         | 0     |
 | 780128  | null     | null      | null    | unlabelled |         | 0     |
 | 780129  | null     | null      | null    | unlabelled |         | 0     |
 | 780130  | null     | null      | null    | unlabelled |         | 0     |
 | 780131  | null     | null      | null    | unlabelled |         | 0     |
 | 938574  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 1021046 | null     | null      | null    | unlabelled |         | 0     |
 | 1021047 | v1:4     | ethernet1 | 1.1.3.3 | 412360     |         | 0     |
 | 1021048 | v1:4     | ethernet1 | 1.1.3.3 | 412361     |         | 0     |
 | 1021049 | v1:4     | ethernet1 | 1.1.3.3 | 412362     |         | 0     |
 | 1021050 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 1021051 | null     | null      | null    | unlabelled |         | 0     |
 | 1021052 | null     | null      | null    | unlabelled |         | 0     |
 | 1021053 | null     | null      | null    | unlabelled |         | 0     |
 | 1021054 | null     | null      | null    | unlabelled |         | 0     |
 | 1021055 | null     | null      | null    | unlabelled |         | 0     |
 |_________|__________|___________|_________|____________|_________|_______|
r4#
r4#