here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label   | vrf      | iface     | hop     | label      | targets | bytes |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 93871   | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 263773  | v1:6     | ethernet1 | 1234::2 | 3          |         | 0     |
 | 314610  | null     | null      | null    | unlabelled |         | 0     |
 | 314611  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 314612  | v1:6     | ethernet1 | 1234::2 | 281846     |         | 0     |
 | 314613  | v1:6     | ethernet1 | 1234::2 | 281847     |         | 0     |
 | 314614  | v1:6     | ethernet1 | 1234::2 | 281848     |         | 0     |
 | 314615  | null     | null      | null    | unlabelled |         | 0     |
 | 314616  | null     | null      | null    | unlabelled |         | 0     |
 | 314617  | null     | null      | null    | unlabelled |         | 0     |
 | 314618  | null     | null      | null    | unlabelled |         | 0     |
 | 314619  | null     | null      | null    | unlabelled |         | 0     |
 | 461504  | null     | null      | null    | unlabelled |         | 0     |
 | 461505  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 461506  | v1:4     | ethernet1 | 1.1.1.2 | 443014     |         | 0     |
 | 461507  | v1:4     | ethernet1 | 1.1.1.2 | 443015     |         | 0     |
 | 461508  | v1:4     | ethernet1 | 1.1.1.2 | 443016     |         | 0     |
 | 461509  | null     | null      | null    | unlabelled |         | 0     |
 | 461510  | null     | null      | null    | unlabelled |         | 0     |
 | 461511  | null     | null      | null    | unlabelled |         | 0     |
 | 461512  | null     | null      | null    | unlabelled |         | 0     |
 | 461513  | null     | null      | null    | unlabelled |         | 0     |
 | 592935  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 643899  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 871461  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 1040957 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 216535 | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 | 281844 | null     | null      | null    | unlabelled |         | 0     |
 | 281845 | v1:6     | ethernet1 | 1234::1 | 314611     |         | 1280  |
 | 281846 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 281847 | v1:6     | ethernet2 | 1235::3 | 125614     |         | 640   |
 | 281848 | v1:6     | ethernet2 | 1235::3 | 125615     |         | 640   |
 | 281849 | null     | null      | null    | unlabelled |         | 0     |
 | 281850 | null     | null      | null    | unlabelled |         | 0     |
 | 281851 | null     | null      | null    | unlabelled |         | 0     |
 | 281852 | null     | null      | null    | unlabelled |         | 0     |
 | 281853 | null     | null      | null    | unlabelled |         | 0     |
 | 412359 | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 | 443012 | null     | null      | null    | unlabelled |         | 0     |
 | 443013 | v1:4     | ethernet1 | 1.1.1.1 | 461505     |         | 1280  |
 | 443014 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 443015 | v1:4     | ethernet2 | 1.1.2.3 | 180561     |         | 640   |
 | 443016 | v1:4     | ethernet2 | 1.1.2.3 | 180562     |         | 640   |
 | 443017 | null     | null      | null    | unlabelled |         | 0     |
 | 443018 | null     | null      | null    | unlabelled |         | 0     |
 | 443019 | null     | null      | null    | unlabelled |         | 0     |
 | 443020 | null     | null      | null    | unlabelled |         | 0     |
 | 443021 | null     | null      | null    | unlabelled |         | 0     |
 | 518832 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 589075 | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 679425 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 681400 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 795837 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 971613 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 125611 | null     | null      | null    | unlabelled |         | 0     |
 | 125612 | v1:6     | ethernet1 | 1235::2 | 281845     |         | 640   |
 | 125613 | v1:6     | ethernet1 | 1235::2 | 281846     |         | 640   |
 | 125614 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 125615 | v1:6     | ethernet2 | 1236::4 | 478300     |         | 1280  |
 | 125616 | null     | null      | null    | unlabelled |         | 0     |
 | 125617 | null     | null      | null    | unlabelled |         | 0     |
 | 125618 | null     | null      | null    | unlabelled |         | 0     |
 | 125619 | null     | null      | null    | unlabelled |         | 0     |
 | 125620 | null     | null      | null    | unlabelled |         | 0     |
 | 169677 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 180558 | null     | null      | null    | unlabelled |         | 0     |
 | 180559 | v1:4     | ethernet1 | 1.1.2.2 | 443013     |         | 640   |
 | 180560 | v1:4     | ethernet1 | 1.1.2.2 | 443014     |         | 640   |
 | 180561 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 180562 | v1:4     | ethernet2 | 1.1.3.4 | 239117     |         | 1280  |
 | 180563 | null     | null      | null    | unlabelled |         | 0     |
 | 180564 | null     | null      | null    | unlabelled |         | 0     |
 | 180565 | null     | null      | null    | unlabelled |         | 0     |
 | 180566 | null     | null      | null    | unlabelled |         | 0     |
 | 180567 | null     | null      | null    | unlabelled |         | 0     |
 | 198770 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 410868 | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 619671 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 675242 | v1:6     | ethernet2 | 1236::4 | 3          |         | 0     |
 | 764513 | v1:4     | ethernet1 | 1.1.2.2 | 3          |         | 0     |
 | 806359 | v1:4     | ethernet2 | 1.1.3.4 | 3          |         | 0     |
 | 965531 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 158427 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 172509 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 239113 | null     | null      | null    | unlabelled |         | 0     |
 | 239114 | v1:4     | ethernet1 | 1.1.3.3 | 180559     |         | 0     |
 | 239115 | v1:4     | ethernet1 | 1.1.3.3 | 180560     |         | 0     |
 | 239116 | v1:4     | ethernet1 | 1.1.3.3 | 180561     |         | 0     |
 | 239117 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 239118 | null     | null      | null    | unlabelled |         | 0     |
 | 239119 | null     | null      | null    | unlabelled |         | 0     |
 | 239120 | null     | null      | null    | unlabelled |         | 0     |
 | 239121 | null     | null      | null    | unlabelled |         | 0     |
 | 239122 | null     | null      | null    | unlabelled |         | 0     |
 | 276491 | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 | 478296 | null     | null      | null    | unlabelled |         | 0     |
 | 478297 | v1:6     | ethernet1 | 1236::3 | 125612     |         | 0     |
 | 478298 | v1:6     | ethernet1 | 1236::3 | 125613     |         | 0     |
 | 478299 | v1:6     | ethernet1 | 1236::3 | 125614     |         | 0     |
 | 478300 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 478301 | null     | null      | null    | unlabelled |         | 0     |
 | 478302 | null     | null      | null    | unlabelled |         | 0     |
 | 478303 | null     | null      | null    | unlabelled |         | 0     |
 | 478304 | null     | null      | null    | unlabelled |         | 0     |
 | 478305 | null     | null      | null    | unlabelled |         | 0     |
 | 515869 | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 | 607786 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 695970 | v1:6     | null      | null    | unlabelled | local   | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r4#
r4#