here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 85671  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 108991 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 123667 | null     | null      | null    | unlabelled |         | 0     |
 | 123668 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 123669 | v1:4     | ethernet1 | 1.1.1.2 | 378546     |         | 0     |
 | 123670 | v1:4     | ethernet1 | 1.1.1.2 | 378547     |         | 0     |
 | 123671 | v1:4     | ethernet1 | 1.1.1.2 | 378548     |         | 0     |
 | 123672 | null     | null      | null    | unlabelled |         | 0     |
 | 123673 | null     | null      | null    | unlabelled |         | 0     |
 | 123674 | null     | null      | null    | unlabelled |         | 0     |
 | 123675 | null     | null      | null    | unlabelled |         | 0     |
 | 123676 | null     | null      | null    | unlabelled |         | 0     |
 | 301862 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 363704 | v1:6     | ethernet1 | 1234::2 | 3          |         | 0     |
 | 599376 | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 | 602277 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 624566 | null     | null      | null    | unlabelled |         | 0     |
 | 624567 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 624568 | v1:6     | ethernet1 | 1234::2 | 916439     |         | 0     |
 | 624569 | v1:6     | ethernet1 | 1234::2 | 916440     |         | 0     |
 | 624570 | v1:6     | ethernet1 | 1234::2 | 916441     |         | 0     |
 | 624571 | null     | null      | null    | unlabelled |         | 0     |
 | 624572 | null     | null      | null    | unlabelled |         | 0     |
 | 624573 | null     | null      | null    | unlabelled |         | 0     |
 | 624574 | null     | null      | null    | unlabelled |         | 0     |
 | 624575 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 299954 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 373079 | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 | 378544 | null     | null      | null    | unlabelled |         | 0     |
 | 378545 | v1:4     | ethernet1 | 1.1.1.1 | 123668     |         | 1280  |
 | 378546 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 378547 | v1:4     | ethernet2 | 1.1.2.3 | 922720     |         | 640   |
 | 378548 | v1:4     | ethernet2 | 1.1.2.3 | 922721     |         | 640   |
 | 378549 | null     | null      | null    | unlabelled |         | 0     |
 | 378550 | null     | null      | null    | unlabelled |         | 0     |
 | 378551 | null     | null      | null    | unlabelled |         | 0     |
 | 378552 | null     | null      | null    | unlabelled |         | 0     |
 | 378553 | null     | null      | null    | unlabelled |         | 0     |
 | 480170 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 867225 | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 | 889574 | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 901738 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 916437 | null     | null      | null    | unlabelled |         | 0     |
 | 916438 | v1:6     | ethernet1 | 1234::1 | 624567     |         | 1280  |
 | 916439 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 916440 | v1:6     | ethernet2 | 1235::3 | 870534     |         | 640   |
 | 916441 | v1:6     | ethernet2 | 1235::3 | 870535     |         | 640   |
 | 916442 | null     | null      | null    | unlabelled |         | 0     |
 | 916443 | null     | null      | null    | unlabelled |         | 0     |
 | 916444 | null     | null      | null    | unlabelled |         | 0     |
 | 916445 | null     | null      | null    | unlabelled |         | 0     |
 | 916446 | null     | null      | null    | unlabelled |         | 0     |
 | 972974 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 994618 | v1:6     | ethernet1 | 1234::1 | 3          |         | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r2#
r2#
here is the lib:
r3#
r3#
r3#show mpls forw
r3#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 80305  | v1:4     | ethernet2 | 1.1.3.4 | 3          |         | 0     |
 | 173959 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 262458 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 418904 | v1:4     | ethernet1 | 1.1.2.2 | 3          |         | 0     |
 | 595880 | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 600508 | v1:6     | ethernet2 | 1236::4 | 3          |         | 0     |
 | 700886 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 870531 | null     | null      | null    | unlabelled |         | 0     |
 | 870532 | v1:6     | ethernet1 | 1235::2 | 916438     |         | 640   |
 | 870533 | v1:6     | ethernet1 | 1235::2 | 916439     |         | 640   |
 | 870534 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 870535 | v1:6     | ethernet2 | 1236::4 | 315032     |         | 1280  |
 | 870536 | null     | null      | null    | unlabelled |         | 0     |
 | 870537 | null     | null      | null    | unlabelled |         | 0     |
 | 870538 | null     | null      | null    | unlabelled |         | 0     |
 | 870539 | null     | null      | null    | unlabelled |         | 0     |
 | 870540 | null     | null      | null    | unlabelled |         | 0     |
 | 922717 | null     | null      | null    | unlabelled |         | 0     |
 | 922718 | v1:4     | ethernet1 | 1.1.2.2 | 378545     |         | 640   |
 | 922719 | v1:4     | ethernet1 | 1.1.2.2 | 378546     |         | 640   |
 | 922720 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 922721 | v1:4     | ethernet2 | 1.1.3.4 | 730145     |         | 1280  |
 | 922722 | null     | null      | null    | unlabelled |         | 0     |
 | 922723 | null     | null      | null    | unlabelled |         | 0     |
 | 922724 | null     | null      | null    | unlabelled |         | 0     |
 | 922725 | null     | null      | null    | unlabelled |         | 0     |
 | 922726 | null     | null      | null    | unlabelled |         | 0     |
 | 965686 | v1:4     | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 313434 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 315028 | null     | null      | null    | unlabelled |         | 0     |
 | 315029 | v1:6     | ethernet1 | 1236::3 | 870532     |         | 0     |
 | 315030 | v1:6     | ethernet1 | 1236::3 | 870533     |         | 0     |
 | 315031 | v1:6     | ethernet1 | 1236::3 | 870534     |         | 0     |
 | 315032 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 315033 | null     | null      | null    | unlabelled |         | 0     |
 | 315034 | null     | null      | null    | unlabelled |         | 0     |
 | 315035 | null     | null      | null    | unlabelled |         | 0     |
 | 315036 | null     | null      | null    | unlabelled |         | 0     |
 | 315037 | null     | null      | null    | unlabelled |         | 0     |
 | 345643 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 401636 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 476573 | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 | 553000 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 566858 | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 | 730141 | null     | null      | null    | unlabelled |         | 0     |
 | 730142 | v1:4     | ethernet1 | 1.1.3.3 | 922718     |         | 0     |
 | 730143 | v1:4     | ethernet1 | 1.1.3.3 | 922719     |         | 0     |
 | 730144 | v1:4     | ethernet1 | 1.1.3.3 | 922720     |         | 0     |
 | 730145 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 730146 | null     | null      | null    | unlabelled |         | 0     |
 | 730147 | null     | null      | null    | unlabelled |         | 0     |
 | 730148 | null     | null      | null    | unlabelled |         | 0     |
 | 730149 | null     | null      | null    | unlabelled |         | 0     |
 | 730150 | null     | null      | null    | unlabelled |         | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r4#
r4#