here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label   | vrf      | iface     | hop     | label      | targets | bytes |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 62863   | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 132421  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 210214  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 243462  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 424620  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 458724  | null     | null      | null    | unlabelled |         | 0     |
 | 458725  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 458726  | v1:4     | ethernet1 | 1.1.1.2 | 612623     |         | 0     |
 | 458727  | v1:4     | ethernet1 | 1.1.1.2 | 612624     |         | 0     |
 | 458728  | v1:4     | ethernet1 | 1.1.1.2 | 612625     |         | 0     |
 | 458729  | null     | null      | null    | unlabelled |         | 0     |
 | 458730  | null     | null      | null    | unlabelled |         | 0     |
 | 458731  | null     | null      | null    | unlabelled |         | 0     |
 | 458732  | null     | null      | null    | unlabelled |         | 0     |
 | 458733  | null     | null      | null    | unlabelled |         | 0     |
 | 492199  | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 | 647232  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 731923  | v1:6     | ethernet1 | 1234::2 | 3          |         | 0     |
 | 751041  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 804005  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 1035343 | null     | null      | null    | unlabelled |         | 0     |
 | 1035344 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 1035345 | v1:6     | ethernet1 | 1234::2 | 949277     |         | 0     |
 | 1035346 | v1:6     | ethernet1 | 1234::2 | 949278     |         | 0     |
 | 1035347 | v1:6     | ethernet1 | 1234::2 | 949279     |         | 0     |
 | 1035348 | null     | null      | null    | unlabelled |         | 0     |
 | 1035349 | null     | null      | null    | unlabelled |         | 0     |
 | 1035350 | null     | null      | null    | unlabelled |         | 0     |
 | 1035351 | null     | null      | null    | unlabelled |         | 0     |
 | 1035352 | 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 |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 103079  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 163240  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 175747  | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 | 298242  | v1:6     | ethernet1 | 1234::1 | 3          |         | 0     |
 | 303775  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 361733  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 396518  | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 508280  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 588751  | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 | 612621  | null     | null      | null    | unlabelled |         | 0     |
 | 612622  | v1:4     | ethernet1 | 1.1.1.1 | 458725     |         | 1280  |
 | 612623  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 612624  | v1:4     | ethernet2 | 1.1.2.3 | 1040196    |         | 640   |
 | 612625  | v1:4     | ethernet2 | 1.1.2.3 | 1040197    |         | 640   |
 | 612626  | null     | null      | null    | unlabelled |         | 0     |
 | 612627  | null     | null      | null    | unlabelled |         | 0     |
 | 612628  | null     | null      | null    | unlabelled |         | 0     |
 | 612629  | null     | null      | null    | unlabelled |         | 0     |
 | 612630  | null     | null      | null    | unlabelled |         | 0     |
 | 769893  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 820074  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 949275  | null     | null      | null    | unlabelled |         | 0     |
 | 949276  | v1:6     | ethernet1 | 1234::1 | 1035344    |         | 1280  |
 | 949277  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 949278  | v1:6     | ethernet2 | 1235::3 | 576401     |         | 640   |
 | 949279  | v1:6     | ethernet2 | 1235::3 | 576402     |         | 640   |
 | 949280  | null     | null      | null    | unlabelled |         | 0     |
 | 949281  | null     | null      | null    | unlabelled |         | 0     |
 | 949282  | null     | null      | null    | unlabelled |         | 0     |
 | 949283  | null     | null      | null    | unlabelled |         | 0     |
 | 949284  | null     | null      | null    | unlabelled |         | 0     |
 | 1013021 | v1:6     | 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 |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 108259  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 244801  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 280094  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 322682  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 394198  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 576398  | null     | null      | null    | unlabelled |         | 0     |
 | 576399  | v1:6     | ethernet1 | 1235::2 | 949276     |         | 640   |
 | 576400  | v1:6     | ethernet1 | 1235::2 | 949277     |         | 640   |
 | 576401  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 576402  | v1:6     | ethernet2 | 1236::4 | 509947     |         | 1280  |
 | 576403  | null     | null      | null    | unlabelled |         | 0     |
 | 576404  | null     | null      | null    | unlabelled |         | 0     |
 | 576405  | null     | null      | null    | unlabelled |         | 0     |
 | 576406  | null     | null      | null    | unlabelled |         | 0     |
 | 576407  | null     | null      | null    | unlabelled |         | 0     |
 | 660946  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 668814  | v1:6     | ethernet2 | 1236::4 | 3          |         | 0     |
 | 687669  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 805578  | v1:4     | ethernet1 | 1.1.2.2 | 3          |         | 0     |
 | 830750  | v1:4     | ethernet2 | 1.1.3.4 | 3          |         | 0     |
 | 877159  | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 1016621 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 1040193 | null     | null      | null    | unlabelled |         | 0     |
 | 1040194 | v1:4     | ethernet1 | 1.1.2.2 | 612622     |         | 640   |
 | 1040195 | v1:4     | ethernet1 | 1.1.2.2 | 612623     |         | 640   |
 | 1040196 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 1040197 | v1:4     | ethernet2 | 1.1.3.4 | 645612     |         | 1280  |
 | 1040198 | null     | null      | null    | unlabelled |         | 0     |
 | 1040199 | null     | null      | null    | unlabelled |         | 0     |
 | 1040200 | null     | null      | null    | unlabelled |         | 0     |
 | 1040201 | null     | null      | null    | unlabelled |         | 0     |
 | 1040202 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 152005 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 211816 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 319540 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 495896 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 509943 | null     | null      | null    | unlabelled |         | 0     |
 | 509944 | v1:6     | ethernet1 | 1236::3 | 576399     |         | 0     |
 | 509945 | v1:6     | ethernet1 | 1236::3 | 576400     |         | 0     |
 | 509946 | v1:6     | ethernet1 | 1236::3 | 576401     |         | 0     |
 | 509947 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 509948 | null     | null      | null    | unlabelled |         | 0     |
 | 509949 | null     | null      | null    | unlabelled |         | 0     |
 | 509950 | null     | null      | null    | unlabelled |         | 0     |
 | 509951 | null     | null      | null    | unlabelled |         | 0     |
 | 509952 | null     | null      | null    | unlabelled |         | 0     |
 | 541188 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 559947 | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 | 645608 | null     | null      | null    | unlabelled |         | 0     |
 | 645609 | v1:4     | ethernet1 | 1.1.3.3 | 1040194    |         | 0     |
 | 645610 | v1:4     | ethernet1 | 1.1.3.3 | 1040195    |         | 0     |
 | 645611 | v1:4     | ethernet1 | 1.1.3.3 | 1040196    |         | 0     |
 | 645612 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 645613 | null     | null      | null    | unlabelled |         | 0     |
 | 645614 | null     | null      | null    | unlabelled |         | 0     |
 | 645615 | null     | null      | null    | unlabelled |         | 0     |
 | 645616 | null     | null      | null    | unlabelled |         | 0     |
 | 645617 | null     | null      | null    | unlabelled |         | 0     |
 | 717535 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 881317 | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 | 891492 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 896483 | tester:6 | null      | null    | unlabelled | local   | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r4#
r4#