here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 47978  | null     | null      | null    | unlabelled |         | 0     |
 | 47979  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 47980  | v1:6     | ethernet1 | 1234::2 | 1004104    |         | 0     |
 | 47981  | v1:6     | ethernet1 | 1234::2 | 1004105    |         | 0     |
 | 47982  | v1:6     | ethernet1 | 1234::2 | 1004106    |         | 0     |
 | 47983  | null     | null      | null    | unlabelled |         | 0     |
 | 47984  | null     | null      | null    | unlabelled |         | 0     |
 | 47985  | null     | null      | null    | unlabelled |         | 0     |
 | 47986  | null     | null      | null    | unlabelled |         | 0     |
 | 47987  | null     | null      | null    | unlabelled |         | 0     |
 | 106483 | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 | 214575 | null     | null      | null    | unlabelled |         | 0     |
 | 214576 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 214577 | v1:4     | ethernet1 | 1.1.1.2 | 62339      |         | 0     |
 | 214578 | v1:4     | ethernet1 | 1.1.1.2 | 62340      |         | 0     |
 | 214579 | v1:4     | ethernet1 | 1.1.1.2 | 62341      |         | 0     |
 | 214580 | null     | null      | null    | unlabelled |         | 0     |
 | 214581 | null     | null      | null    | unlabelled |         | 0     |
 | 214582 | null     | null      | null    | unlabelled |         | 0     |
 | 214583 | null     | null      | null    | unlabelled |         | 0     |
 | 214584 | null     | null      | null    | unlabelled |         | 0     |
 | 327231 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 385166 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 390622 | v1:6     | ethernet1 | 1234::2 | 3          |         | 0     |
 | 399206 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 472337 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 613942 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 752836 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 753118 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 772632 | 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 |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 22022   | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 | 62337   | null     | null      | null    | unlabelled |         | 0     |
 | 62338   | v1:4     | ethernet1 | 1.1.1.1 | 214576     |         | 1280  |
 | 62339   | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 62340   | v1:4     | ethernet2 | 1.1.2.3 | 111185     |         | 640   |
 | 62341   | v1:4     | ethernet2 | 1.1.2.3 | 111186     |         | 640   |
 | 62342   | null     | null      | null    | unlabelled |         | 0     |
 | 62343   | null     | null      | null    | unlabelled |         | 0     |
 | 62344   | null     | null      | null    | unlabelled |         | 0     |
 | 62345   | null     | null      | null    | unlabelled |         | 0     |
 | 62346   | null     | null      | null    | unlabelled |         | 0     |
 | 168400  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 252323  | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 | 299993  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 307123  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 427410  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 581618  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 601431  | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 634539  | v1:6     | ethernet1 | 1234::1 | 3          |         | 0     |
 | 699786  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 768986  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 825297  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 1004102 | null     | null      | null    | unlabelled |         | 0     |
 | 1004103 | v1:6     | ethernet1 | 1234::1 | 47979      |         | 1280  |
 | 1004104 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 1004105 | v1:6     | ethernet2 | 1235::3 | 552537     |         | 640   |
 | 1004106 | v1:6     | ethernet2 | 1235::3 | 552538     |         | 640   |
 | 1004107 | null     | null      | null    | unlabelled |         | 0     |
 | 1004108 | null     | null      | null    | unlabelled |         | 0     |
 | 1004109 | null     | null      | null    | unlabelled |         | 0     |
 | 1004110 | null     | null      | null    | unlabelled |         | 0     |
 | 1004111 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 16119  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 55898  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 111182 | null     | null      | null    | unlabelled |         | 0     |
 | 111183 | v1:4     | ethernet1 | 1.1.2.2 | 62338      |         | 640   |
 | 111184 | v1:4     | ethernet1 | 1.1.2.2 | 62339      |         | 640   |
 | 111185 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 111186 | v1:4     | ethernet2 | 1.1.3.4 | 656545     |         | 1280  |
 | 111187 | null     | null      | null    | unlabelled |         | 0     |
 | 111188 | null     | null      | null    | unlabelled |         | 0     |
 | 111189 | null     | null      | null    | unlabelled |         | 0     |
 | 111190 | null     | null      | null    | unlabelled |         | 0     |
 | 111191 | null     | null      | null    | unlabelled |         | 0     |
 | 149352 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 296111 | v1:4     | ethernet1 | 1.1.2.2 | 3          |         | 0     |
 | 303981 | v1:6     | ethernet2 | 1236::4 | 3          |         | 0     |
 | 309178 | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 552534 | null     | null      | null    | unlabelled |         | 0     |
 | 552535 | v1:6     | ethernet1 | 1235::2 | 1004103    |         | 640   |
 | 552536 | v1:6     | ethernet1 | 1235::2 | 1004104    |         | 640   |
 | 552537 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 552538 | v1:6     | ethernet2 | 1236::4 | 881043     |         | 1280  |
 | 552539 | null     | null      | null    | unlabelled |         | 0     |
 | 552540 | null     | null      | null    | unlabelled |         | 0     |
 | 552541 | null     | null      | null    | unlabelled |         | 0     |
 | 552542 | null     | null      | null    | unlabelled |         | 0     |
 | 552543 | null     | null      | null    | unlabelled |         | 0     |
 | 588783 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 613316 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 647544 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 779605 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 809160 | v1:4     | ethernet2 | 1.1.3.4 | 3          |         | 0     |
 | 978714 | tester: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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 155    | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 | 173667 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 313340 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 339060 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 378625 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 656541 | null     | null      | null    | unlabelled |         | 0     |
 | 656542 | v1:4     | ethernet1 | 1.1.3.3 | 111183     |         | 0     |
 | 656543 | v1:4     | ethernet1 | 1.1.3.3 | 111184     |         | 0     |
 | 656544 | v1:4     | ethernet1 | 1.1.3.3 | 111185     |         | 0     |
 | 656545 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 656546 | null     | null      | null    | unlabelled |         | 0     |
 | 656547 | null     | null      | null    | unlabelled |         | 0     |
 | 656548 | null     | null      | null    | unlabelled |         | 0     |
 | 656549 | null     | null      | null    | unlabelled |         | 0     |
 | 656550 | null     | null      | null    | unlabelled |         | 0     |
 | 722540 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 795576 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 878334 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 881039 | null     | null      | null    | unlabelled |         | 0     |
 | 881040 | v1:6     | ethernet1 | 1236::3 | 552535     |         | 0     |
 | 881041 | v1:6     | ethernet1 | 1236::3 | 552536     |         | 0     |
 | 881042 | v1:6     | ethernet1 | 1236::3 | 552537     |         | 0     |
 | 881043 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 881044 | null     | null      | null    | unlabelled |         | 0     |
 | 881045 | null     | null      | null    | unlabelled |         | 0     |
 | 881046 | null     | null      | null    | unlabelled |         | 0     |
 | 881047 | null     | null      | null    | unlabelled |         | 0     |
 | 881048 | null     | null      | null    | unlabelled |         | 0     |
 | 904681 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 987368 | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r4#
r4#