here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 255477 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 328584 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 397402 | null     | null      | null    | unlabelled |         | 0     |
 | 397403 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 397404 | v1:6     | ethernet1 | 1234::2 | 834492     |         | 0     |
 | 397405 | v1:6     | ethernet1 | 1234::2 | 834493     |         | 0     |
 | 397406 | v1:6     | ethernet1 | 1234::2 | 834494     |         | 0     |
 | 397407 | null     | null      | null    | unlabelled |         | 0     |
 | 397408 | null     | null      | null    | unlabelled |         | 0     |
 | 397409 | null     | null      | null    | unlabelled |         | 0     |
 | 397410 | null     | null      | null    | unlabelled |         | 0     |
 | 397411 | null     | null      | null    | unlabelled |         | 0     |
 | 508240 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 527454 | null     | null      | null    | unlabelled |         | 0     |
 | 527455 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 527456 | v1:4     | ethernet1 | 1.1.1.2 | 320447     |         | 0     |
 | 527457 | v1:4     | ethernet1 | 1.1.1.2 | 320448     |         | 0     |
 | 527458 | v1:4     | ethernet1 | 1.1.1.2 | 320449     |         | 0     |
 | 527459 | null     | null      | null    | unlabelled |         | 0     |
 | 527460 | null     | null      | null    | unlabelled |         | 0     |
 | 527461 | null     | null      | null    | unlabelled |         | 0     |
 | 527462 | null     | null      | null    | unlabelled |         | 0     |
 | 527463 | null     | null      | null    | unlabelled |         | 0     |
 | 585927 | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 | 636509 | v1:6     | ethernet1 | 1234::2 | 3          |         | 0     |
 | 834743 | v1:4     | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 44282  | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 | 314604 | v1:6     | ethernet1 | 1234::1 | 3          |         | 0     |
 | 320445 | null     | null      | null    | unlabelled |         | 0     |
 | 320446 | v1:4     | ethernet1 | 1.1.1.1 | 527455     |         | 1280  |
 | 320447 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 320448 | v1:4     | ethernet2 | 1.1.2.3 | 591307     |         | 640   |
 | 320449 | v1:4     | ethernet2 | 1.1.2.3 | 591308     |         | 640   |
 | 320450 | null     | null      | null    | unlabelled |         | 0     |
 | 320451 | null     | null      | null    | unlabelled |         | 0     |
 | 320452 | null     | null      | null    | unlabelled |         | 0     |
 | 320453 | null     | null      | null    | unlabelled |         | 0     |
 | 320454 | null     | null      | null    | unlabelled |         | 0     |
 | 612766 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 617230 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 795801 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 834490 | null     | null      | null    | unlabelled |         | 0     |
 | 834491 | v1:6     | ethernet1 | 1234::1 | 397403     |         | 1280  |
 | 834492 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 834493 | v1:6     | ethernet2 | 1235::3 | 199811     |         | 640   |
 | 834494 | v1:6     | ethernet2 | 1235::3 | 199812     |         | 640   |
 | 834495 | null     | null      | null    | unlabelled |         | 0     |
 | 834496 | null     | null      | null    | unlabelled |         | 0     |
 | 834497 | null     | null      | null    | unlabelled |         | 0     |
 | 834498 | null     | null      | null    | unlabelled |         | 0     |
 | 834499 | null     | null      | null    | unlabelled |         | 0     |
 | 835828 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 940020 | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 986744 | v1:4     | ethernet1 | 1.1.1.1 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 85358  | v1:6     | ethernet2 | 1236::4 | 3          |         | 0     |
 | 163571 | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 199808 | null     | null      | null    | unlabelled |         | 0     |
 | 199809 | v1:6     | ethernet1 | 1235::2 | 834491     |         | 640   |
 | 199810 | v1:6     | ethernet1 | 1235::2 | 834492     |         | 640   |
 | 199811 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 199812 | v1:6     | ethernet2 | 1236::4 | 478229     |         | 1280  |
 | 199813 | null     | null      | null    | unlabelled |         | 0     |
 | 199814 | null     | null      | null    | unlabelled |         | 0     |
 | 199815 | null     | null      | null    | unlabelled |         | 0     |
 | 199816 | null     | null      | null    | unlabelled |         | 0     |
 | 199817 | null     | null      | null    | unlabelled |         | 0     |
 | 229535 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 230710 | v1:4     | ethernet1 | 1.1.2.2 | 3          |         | 0     |
 | 514730 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 521536 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 529817 | v1:4     | ethernet2 | 1.1.3.4 | 3          |         | 0     |
 | 591304 | null     | null      | null    | unlabelled |         | 0     |
 | 591305 | v1:4     | ethernet1 | 1.1.2.2 | 320446     |         | 640   |
 | 591306 | v1:4     | ethernet1 | 1.1.2.2 | 320447     |         | 640   |
 | 591307 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 591308 | v1:4     | ethernet2 | 1.1.3.4 | 647069     |         | 1280  |
 | 591309 | null     | null      | null    | unlabelled |         | 0     |
 | 591310 | null     | null      | null    | unlabelled |         | 0     |
 | 591311 | null     | null      | null    | unlabelled |         | 0     |
 | 591312 | null     | null      | null    | unlabelled |         | 0     |
 | 591313 | null     | null      | null    | unlabelled |         | 0     |
 | 906351 | tester:6 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 217605 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 478225 | null     | null      | null    | unlabelled |         | 0     |
 | 478226 | v1:6     | ethernet1 | 1236::3 | 199809     |         | 0     |
 | 478227 | v1:6     | ethernet1 | 1236::3 | 199810     |         | 0     |
 | 478228 | v1:6     | ethernet1 | 1236::3 | 199811     |         | 0     |
 | 478229 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 478230 | null     | null      | null    | unlabelled |         | 0     |
 | 478231 | null     | null      | null    | unlabelled |         | 0     |
 | 478232 | null     | null      | null    | unlabelled |         | 0     |
 | 478233 | null     | null      | null    | unlabelled |         | 0     |
 | 478234 | null     | null      | null    | unlabelled |         | 0     |
 | 582983 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 637944 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 647065 | null     | null      | null    | unlabelled |         | 0     |
 | 647066 | v1:4     | ethernet1 | 1.1.3.3 | 591305     |         | 0     |
 | 647067 | v1:4     | ethernet1 | 1.1.3.3 | 591306     |         | 0     |
 | 647068 | v1:4     | ethernet1 | 1.1.3.3 | 591307     |         | 0     |
 | 647069 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 647070 | null     | null      | null    | unlabelled |         | 0     |
 | 647071 | null     | null      | null    | unlabelled |         | 0     |
 | 647072 | null     | null      | null    | unlabelled |         | 0     |
 | 647073 | null     | null      | null    | unlabelled |         | 0     |
 | 647074 | null     | null      | null    | unlabelled |         | 0     |
 | 718470 | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 | 934100 | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 | 993784 | tester:4 | null      | null    | unlabelled | local   | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r4#
r4#