here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
2024-02-10 10:43:54.221
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 22020  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 63922  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 101764 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 209141 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 322536 | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 | 336061 | null     | null      | null    | unlabelled |         | 0     |
 | 336062 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 336063 | v1:4     | ethernet1 | 1.1.1.2 | 142059     |         | 0     |
 | 336064 | v1:4     | ethernet1 | 1.1.1.2 | 142060     |         | 0     |
 | 336065 | v1:4     | ethernet1 | 1.1.1.2 | 142061     |         | 0     |
 | 336066 | null     | null      | null    | unlabelled |         | 0     |
 | 336067 | null     | null      | null    | unlabelled |         | 0     |
 | 336068 | null     | null      | null    | unlabelled |         | 0     |
 | 336069 | null     | null      | null    | unlabelled |         | 0     |
 | 336070 | null     | null      | null    | unlabelled |         | 0     |
 | 383035 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 695124 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 744897 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 757680 | null     | null      | null    | unlabelled |         | 0     |
 | 757681 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 757682 | v1:6     | ethernet1 | 1234::2 | 551014     |         | 0     |
 | 757683 | v1:6     | ethernet1 | 1234::2 | 551015     |         | 0     |
 | 757684 | v1:6     | ethernet1 | 1234::2 | 551016     |         | 0     |
 | 757685 | null     | null      | null    | unlabelled |         | 0     |
 | 757686 | null     | null      | null    | unlabelled |         | 0     |
 | 757687 | null     | null      | null    | unlabelled |         | 0     |
 | 757688 | null     | null      | null    | unlabelled |         | 0     |
 | 757689 | null     | null      | null    | unlabelled |         | 0     |
 | 861883 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 925764 | v1:6     | ethernet1 | 1234::2 | 3          |         | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r1#
r1#
here is the lib:
r2#
r2#
r2#show mpls forw
r2#show mpls forw
2024-02-10 10:43:54.326
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 22291  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 142057 | null     | null      | null    | unlabelled |         | 0     |
 | 142058 | v1:4     | ethernet1 | 1.1.1.1 | 336062     |         | 1280  |
 | 142059 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 142060 | v1:4     | ethernet2 | 1.1.2.3 | 570922     |         | 640   |
 | 142061 | v1:4     | ethernet2 | 1.1.2.3 | 570923     |         | 640   |
 | 142062 | null     | null      | null    | unlabelled |         | 0     |
 | 142063 | null     | null      | null    | unlabelled |         | 0     |
 | 142064 | null     | null      | null    | unlabelled |         | 0     |
 | 142065 | null     | null      | null    | unlabelled |         | 0     |
 | 142066 | null     | null      | null    | unlabelled |         | 0     |
 | 175019 | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 | 359072 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 514752 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 533198 | v1:6     | ethernet1 | 1234::1 | 3          |         | 0     |
 | 544982 | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 | 551012 | null     | null      | null    | unlabelled |         | 0     |
 | 551013 | v1:6     | ethernet1 | 1234::1 | 757681     |         | 1280  |
 | 551014 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 551015 | v1:6     | ethernet2 | 1235::3 | 350354     |         | 640   |
 | 551016 | v1:6     | ethernet2 | 1235::3 | 350355     |         | 640   |
 | 551017 | null     | null      | null    | unlabelled |         | 0     |
 | 551018 | null     | null      | null    | unlabelled |         | 0     |
 | 551019 | null     | null      | null    | unlabelled |         | 0     |
 | 551020 | null     | null      | null    | unlabelled |         | 0     |
 | 551021 | null     | null      | null    | unlabelled |         | 0     |
 | 569893 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 609421 | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 641814 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 680926 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 869582 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 917015 | tester:6 | null      | null    | unlabelled | local   | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r2#
r2#
here is the lib:
r3#
r3#
r3#show mpls forw
r3#show mpls forw
2024-02-10 10:43:54.425
 |~~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label   | vrf      | iface     | hop     | label      | targets | bytes |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 95339   | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 186865  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 201824  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 350351  | null     | null      | null    | unlabelled |         | 0     |
 | 350352  | v1:6     | ethernet1 | 1235::2 | 551013     |         | 640   |
 | 350353  | v1:6     | ethernet1 | 1235::2 | 551014     |         | 640   |
 | 350354  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 350355  | v1:6     | ethernet2 | 1236::4 | 741577     |         | 1280  |
 | 350356  | null     | null      | null    | unlabelled |         | 0     |
 | 350357  | null     | null      | null    | unlabelled |         | 0     |
 | 350358  | null     | null      | null    | unlabelled |         | 0     |
 | 350359  | null     | null      | null    | unlabelled |         | 0     |
 | 350360  | null     | null      | null    | unlabelled |         | 0     |
 | 538725  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 570919  | null     | null      | null    | unlabelled |         | 0     |
 | 570920  | v1:4     | ethernet1 | 1.1.2.2 | 142058     |         | 640   |
 | 570921  | v1:4     | ethernet1 | 1.1.2.2 | 142059     |         | 640   |
 | 570922  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 570923  | v1:4     | ethernet2 | 1.1.3.4 | 862377     |         | 1280  |
 | 570924  | null     | null      | null    | unlabelled |         | 0     |
 | 570925  | null     | null      | null    | unlabelled |         | 0     |
 | 570926  | null     | null      | null    | unlabelled |         | 0     |
 | 570927  | null     | null      | null    | unlabelled |         | 0     |
 | 570928  | null     | null      | null    | unlabelled |         | 0     |
 | 586946  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 636897  | v1:4     | ethernet2 | 1.1.3.4 | 3          |         | 0     |
 | 698601  | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 724665  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 886444  | v1:6     | ethernet2 | 1236::4 | 3          |         | 0     |
 | 969775  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 1004460 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 1008320 | v1:4     | ethernet1 | 1.1.2.2 | 3          |         | 0     |
 |_________|__________|___________|_________|____________|_________|_______|
r3#
r3#
here is the lib:
r4#
r4#
r4#show mpls forw
r4#show mpls forw
2024-02-10 10:43:54.511
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 48368  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 72435  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 478312 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 480578 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 548057 | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 | 580413 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 741573 | null     | null      | null    | unlabelled |         | 0     |
 | 741574 | v1:6     | ethernet1 | 1236::3 | 350352     |         | 0     |
 | 741575 | v1:6     | ethernet1 | 1236::3 | 350353     |         | 0     |
 | 741576 | v1:6     | ethernet1 | 1236::3 | 350354     |         | 0     |
 | 741577 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 741578 | null     | null      | null    | unlabelled |         | 0     |
 | 741579 | null     | null      | null    | unlabelled |         | 0     |
 | 741580 | null     | null      | null    | unlabelled |         | 0     |
 | 741581 | null     | null      | null    | unlabelled |         | 0     |
 | 741582 | null     | null      | null    | unlabelled |         | 0     |
 | 767891 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 777271 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 862373 | null     | null      | null    | unlabelled |         | 0     |
 | 862374 | v1:4     | ethernet1 | 1.1.3.3 | 570920     |         | 0     |
 | 862375 | v1:4     | ethernet1 | 1.1.3.3 | 570921     |         | 0     |
 | 862376 | v1:4     | ethernet1 | 1.1.3.3 | 570922     |         | 0     |
 | 862377 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 862378 | null     | null      | null    | unlabelled |         | 0     |
 | 862379 | null     | null      | null    | unlabelled |         | 0     |
 | 862380 | null     | null      | null    | unlabelled |         | 0     |
 | 862381 | null     | null      | null    | unlabelled |         | 0     |
 | 862382 | null     | null      | null    | unlabelled |         | 0     |
 | 925124 | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 | 937612 | tester:6 | null      | null    | unlabelled | local   | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r4#
r4#