here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label   | vrf      | iface     | hop     | label      | targets | bytes |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 21615   | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 67131   | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 128338  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 203639  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 277037  | null     | null      | null    | unlabelled |         | 0     |
 | 277038  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 277039  | v1:4     | ethernet1 | 1.1.1.2 | 634524     |         | 0     |
 | 277040  | v1:4     | ethernet1 | 1.1.1.2 | 634525     |         | 0     |
 | 277041  | v1:4     | ethernet1 | 1.1.1.2 | 634526     |         | 0     |
 | 277042  | null     | null      | null    | unlabelled |         | 0     |
 | 277043  | null     | null      | null    | unlabelled |         | 0     |
 | 277044  | null     | null      | null    | unlabelled |         | 0     |
 | 277045  | null     | null      | null    | unlabelled |         | 0     |
 | 277046  | null     | null      | null    | unlabelled |         | 0     |
 | 352421  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 469822  | null     | null      | null    | unlabelled |         | 0     |
 | 469823  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 469824  | v1:6     | ethernet1 | 1234::2 | 762165     |         | 0     |
 | 469825  | v1:6     | ethernet1 | 1234::2 | 762166     |         | 0     |
 | 469826  | v1:6     | ethernet1 | 1234::2 | 762167     |         | 0     |
 | 469827  | null     | null      | null    | unlabelled |         | 0     |
 | 469828  | null     | null      | null    | unlabelled |         | 0     |
 | 469829  | null     | null      | null    | unlabelled |         | 0     |
 | 469830  | null     | null      | null    | unlabelled |         | 0     |
 | 469831  | null     | null      | null    | unlabelled |         | 0     |
 | 523788  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 615576  | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 | 623422  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 806828  | v1:6     | ethernet1 | 1234::2 | 3          |         | 0     |
 | 1022774 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 29334  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 98230  | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 | 174671 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 207403 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 207416 | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 | 441986 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 454322 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 534477 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 634522 | null     | null      | null    | unlabelled |         | 0     |
 | 634523 | v1:4     | ethernet1 | 1.1.1.1 | 277038     |         | 1280  |
 | 634524 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 634525 | v1:4     | ethernet2 | 1.1.2.3 | 503550     |         | 640   |
 | 634526 | v1:4     | ethernet2 | 1.1.2.3 | 503551     |         | 640   |
 | 634527 | null     | null      | null    | unlabelled |         | 0     |
 | 634528 | null     | null      | null    | unlabelled |         | 0     |
 | 634529 | null     | null      | null    | unlabelled |         | 0     |
 | 634530 | null     | null      | null    | unlabelled |         | 0     |
 | 634531 | null     | null      | null    | unlabelled |         | 0     |
 | 684822 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 706951 | v1:6     | ethernet1 | 1234::1 | 3          |         | 0     |
 | 762163 | null     | null      | null    | unlabelled |         | 0     |
 | 762164 | v1:6     | ethernet1 | 1234::1 | 469823     |         | 1280  |
 | 762165 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 762166 | v1:6     | ethernet2 | 1235::3 | 406249     |         | 640   |
 | 762167 | v1:6     | ethernet2 | 1235::3 | 406250     |         | 640   |
 | 762168 | null     | null      | null    | unlabelled |         | 0     |
 | 762169 | null     | null      | null    | unlabelled |         | 0     |
 | 762170 | null     | null      | null    | unlabelled |         | 0     |
 | 762171 | null     | null      | null    | unlabelled |         | 0     |
 | 762172 | null     | null      | null    | unlabelled |         | 0     |
 | 868108 | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 968835 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 83885  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 219324 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 266764 | v1:4     | ethernet2 | 1.1.3.4 | 3          |         | 0     |
 | 337987 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 393715 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 406246 | null     | null      | null    | unlabelled |         | 0     |
 | 406247 | v1:6     | ethernet1 | 1235::2 | 762164     |         | 640   |
 | 406248 | v1:6     | ethernet1 | 1235::2 | 762165     |         | 640   |
 | 406249 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 406250 | v1:6     | ethernet2 | 1236::4 | 100779     |         | 1280  |
 | 406251 | null     | null      | null    | unlabelled |         | 0     |
 | 406252 | null     | null      | null    | unlabelled |         | 0     |
 | 406253 | null     | null      | null    | unlabelled |         | 0     |
 | 406254 | null     | null      | null    | unlabelled |         | 0     |
 | 406255 | null     | null      | null    | unlabelled |         | 0     |
 | 423449 | v1:6     | ethernet2 | 1236::4 | 3          |         | 0     |
 | 503547 | null     | null      | null    | unlabelled |         | 0     |
 | 503548 | v1:4     | ethernet1 | 1.1.2.2 | 634523     |         | 640   |
 | 503549 | v1:4     | ethernet1 | 1.1.2.2 | 634524     |         | 640   |
 | 503550 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 503551 | v1:4     | ethernet2 | 1.1.3.4 | 576016     |         | 1280  |
 | 503552 | null     | null      | null    | unlabelled |         | 0     |
 | 503553 | null     | null      | null    | unlabelled |         | 0     |
 | 503554 | null     | null      | null    | unlabelled |         | 0     |
 | 503555 | null     | null      | null    | unlabelled |         | 0     |
 | 503556 | null     | null      | null    | unlabelled |         | 0     |
 | 609001 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 779543 | v1:4     | ethernet1 | 1.1.2.2 | 3          |         | 0     |
 | 785720 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 834438 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 880855 | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 966121 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 76341  | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 | 90154  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 96205  | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 | 100775 | null     | null      | null    | unlabelled |         | 0     |
 | 100776 | v1:6     | ethernet1 | 1236::3 | 406247     |         | 0     |
 | 100777 | v1:6     | ethernet1 | 1236::3 | 406248     |         | 0     |
 | 100778 | v1:6     | ethernet1 | 1236::3 | 406249     |         | 0     |
 | 100779 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 100780 | null     | null      | null    | unlabelled |         | 0     |
 | 100781 | null     | null      | null    | unlabelled |         | 0     |
 | 100782 | null     | null      | null    | unlabelled |         | 0     |
 | 100783 | null     | null      | null    | unlabelled |         | 0     |
 | 100784 | null     | null      | null    | unlabelled |         | 0     |
 | 119510 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 185667 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 231290 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 279956 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 370430 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 445901 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 459908 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 576012 | null     | null      | null    | unlabelled |         | 0     |
 | 576013 | v1:4     | ethernet1 | 1.1.3.3 | 503548     |         | 0     |
 | 576014 | v1:4     | ethernet1 | 1.1.3.3 | 503549     |         | 0     |
 | 576015 | v1:4     | ethernet1 | 1.1.3.3 | 503550     |         | 0     |
 | 576016 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 576017 | null     | null      | null    | unlabelled |         | 0     |
 | 576018 | null     | null      | null    | unlabelled |         | 0     |
 | 576019 | null     | null      | null    | unlabelled |         | 0     |
 | 576020 | null     | null      | null    | unlabelled |         | 0     |
 | 576021 | null     | null      | null    | unlabelled |         | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r4#
r4#