here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 104156 | null     | null      | null    | unlabelled |         | 0     |
 | 104157 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 104158 | v1:4     | ethernet1 | 1.1.1.2 | 219141     |         | 0     |
 | 104159 | v1:4     | ethernet1 | 1.1.1.2 | 219142     |         | 0     |
 | 104160 | v1:4     | ethernet1 | 1.1.1.2 | 219143     |         | 0     |
 | 104161 | null     | null      | null    | unlabelled |         | 0     |
 | 104162 | null     | null      | null    | unlabelled |         | 0     |
 | 104163 | null     | null      | null    | unlabelled |         | 0     |
 | 104164 | null     | null      | null    | unlabelled |         | 0     |
 | 104165 | null     | null      | null    | unlabelled |         | 0     |
 | 165454 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 194504 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 667300 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 730476 | null     | null      | null    | unlabelled |         | 0     |
 | 730477 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 730478 | v1:6     | ethernet1 | 1234::2 | 54507      |         | 0     |
 | 730479 | v1:6     | ethernet1 | 1234::2 | 54508      |         | 0     |
 | 730480 | v1:6     | ethernet1 | 1234::2 | 54509      |         | 0     |
 | 730481 | null     | null      | null    | unlabelled |         | 0     |
 | 730482 | null     | null      | null    | unlabelled |         | 0     |
 | 730483 | null     | null      | null    | unlabelled |         | 0     |
 | 730484 | null     | null      | null    | unlabelled |         | 0     |
 | 730485 | null     | null      | null    | unlabelled |         | 0     |
 | 777127 | v1:6     | ethernet1 | 1234::2 | 3          |         | 0     |
 | 900119 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 934574 | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r1#
r1#
here is the lib:
r2#
r2#
r2#show mpls forw
r2#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 27132  | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 | 54505  | null     | null      | null    | unlabelled |         | 0     |
 | 54506  | v1:6     | ethernet1 | 1234::1 | 730477     |         | 1280  |
 | 54507  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 54508  | v1:6     | ethernet2 | 1235::3 | 758149     |         | 640   |
 | 54509  | v1:6     | ethernet2 | 1235::3 | 758150     |         | 640   |
 | 54510  | null     | null      | null    | unlabelled |         | 0     |
 | 54511  | null     | null      | null    | unlabelled |         | 0     |
 | 54512  | null     | null      | null    | unlabelled |         | 0     |
 | 54513  | null     | null      | null    | unlabelled |         | 0     |
 | 54514  | null     | null      | null    | unlabelled |         | 0     |
 | 110917 | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 219139 | null     | null      | null    | unlabelled |         | 0     |
 | 219140 | v1:4     | ethernet1 | 1.1.1.1 | 104157     |         | 1280  |
 | 219141 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 219142 | v1:4     | ethernet2 | 1.1.2.3 | 1035484    |         | 640   |
 | 219143 | v1:4     | ethernet2 | 1.1.2.3 | 1035485    |         | 640   |
 | 219144 | null     | null      | null    | unlabelled |         | 0     |
 | 219145 | null     | null      | null    | unlabelled |         | 0     |
 | 219146 | null     | null      | null    | unlabelled |         | 0     |
 | 219147 | null     | null      | null    | unlabelled |         | 0     |
 | 219148 | null     | null      | null    | unlabelled |         | 0     |
 | 235903 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 248006 | v1:6     | ethernet1 | 1234::1 | 3          |         | 0     |
 | 669766 | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 | 763363 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 778471 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 838320 | tester: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 |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 79809   | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 127340  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 147435  | v1:4     | ethernet2 | 1.1.3.4 | 3          |         | 0     |
 | 182616  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 210342  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 424033  | v1:4     | ethernet1 | 1.1.2.2 | 3          |         | 0     |
 | 445834  | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 499527  | v1:6     | ethernet2 | 1236::4 | 3          |         | 0     |
 | 758146  | null     | null      | null    | unlabelled |         | 0     |
 | 758147  | v1:6     | ethernet1 | 1235::2 | 54506      |         | 640   |
 | 758148  | v1:6     | ethernet1 | 1235::2 | 54507      |         | 640   |
 | 758149  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 758150  | v1:6     | ethernet2 | 1236::4 | 413692     |         | 1280  |
 | 758151  | null     | null      | null    | unlabelled |         | 0     |
 | 758152  | null     | null      | null    | unlabelled |         | 0     |
 | 758153  | null     | null      | null    | unlabelled |         | 0     |
 | 758154  | null     | null      | null    | unlabelled |         | 0     |
 | 758155  | null     | null      | null    | unlabelled |         | 0     |
 | 1035481 | null     | null      | null    | unlabelled |         | 0     |
 | 1035482 | v1:4     | ethernet1 | 1.1.2.2 | 219140     |         | 640   |
 | 1035483 | v1:4     | ethernet1 | 1.1.2.2 | 219141     |         | 640   |
 | 1035484 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 1035485 | v1:4     | ethernet2 | 1.1.3.4 | 958369     |         | 1280  |
 | 1035486 | null     | null      | null    | unlabelled |         | 0     |
 | 1035487 | null     | null      | null    | unlabelled |         | 0     |
 | 1035488 | null     | null      | null    | unlabelled |         | 0     |
 | 1035489 | null     | null      | null    | unlabelled |         | 0     |
 | 1035490 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 37372  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 73054  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 194200 | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 | 232925 | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 | 350386 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 413688 | null     | null      | null    | unlabelled |         | 0     |
 | 413689 | v1:6     | ethernet1 | 1236::3 | 758147     |         | 0     |
 | 413690 | v1:6     | ethernet1 | 1236::3 | 758148     |         | 0     |
 | 413691 | v1:6     | ethernet1 | 1236::3 | 758149     |         | 0     |
 | 413692 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 413693 | null     | null      | null    | unlabelled |         | 0     |
 | 413694 | null     | null      | null    | unlabelled |         | 0     |
 | 413695 | null     | null      | null    | unlabelled |         | 0     |
 | 413696 | null     | null      | null    | unlabelled |         | 0     |
 | 413697 | null     | null      | null    | unlabelled |         | 0     |
 | 798853 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 958365 | null     | null      | null    | unlabelled |         | 0     |
 | 958366 | v1:4     | ethernet1 | 1.1.3.3 | 1035482    |         | 0     |
 | 958367 | v1:4     | ethernet1 | 1.1.3.3 | 1035483    |         | 0     |
 | 958368 | v1:4     | ethernet1 | 1.1.3.3 | 1035484    |         | 0     |
 | 958369 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 958370 | null     | null      | null    | unlabelled |         | 0     |
 | 958371 | null     | null      | null    | unlabelled |         | 0     |
 | 958372 | null     | null      | null    | unlabelled |         | 0     |
 | 958373 | null     | null      | null    | unlabelled |         | 0     |
 | 958374 | null     | null      | null    | unlabelled |         | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r4#
r4#