here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 57410  | v1:6     | ethernet1 | 1234::2 | 3          |         | 0     |
 | 143946 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 298649 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 385777 | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 | 424040 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 486428 | null     | null      | null    | unlabelled |         | 0     |
 | 486429 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 486430 | v1:6     | ethernet1 | 1234::2 | 693939     |         | 0     |
 | 486431 | v1:6     | ethernet1 | 1234::2 | 693940     |         | 0     |
 | 486432 | v1:6     | ethernet1 | 1234::2 | 693941     |         | 0     |
 | 486433 | null     | null      | null    | unlabelled |         | 0     |
 | 486434 | null     | null      | null    | unlabelled |         | 0     |
 | 486435 | null     | null      | null    | unlabelled |         | 0     |
 | 486436 | null     | null      | null    | unlabelled |         | 0     |
 | 486437 | null     | null      | null    | unlabelled |         | 0     |
 | 493721 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 511411 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 611717 | null     | null      | null    | unlabelled |         | 0     |
 | 611718 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 611719 | v1:4     | ethernet1 | 1.1.1.2 | 466799     |         | 0     |
 | 611720 | v1:4     | ethernet1 | 1.1.1.2 | 466800     |         | 0     |
 | 611721 | v1:4     | ethernet1 | 1.1.1.2 | 466801     |         | 0     |
 | 611722 | null     | null      | null    | unlabelled |         | 0     |
 | 611723 | null     | null      | null    | unlabelled |         | 0     |
 | 611724 | null     | null      | null    | unlabelled |         | 0     |
 | 611725 | null     | null      | null    | unlabelled |         | 0     |
 | 611726 | null     | null      | null    | unlabelled |         | 0     |
 | 676770 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 819827 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 941860 | v1:6     | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 20363  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 50936  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 190461 | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 | 221655 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 238204 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 413203 | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 | 440856 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 466797 | null     | null      | null    | unlabelled |         | 0     |
 | 466798 | v1:4     | ethernet1 | 1.1.1.1 | 611718     |         | 1280  |
 | 466799 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 466800 | v1:4     | ethernet2 | 1.1.2.3 | 995431     |         | 640   |
 | 466801 | v1:4     | ethernet2 | 1.1.2.3 | 995432     |         | 640   |
 | 466802 | null     | null      | null    | unlabelled |         | 0     |
 | 466803 | null     | null      | null    | unlabelled |         | 0     |
 | 466804 | null     | null      | null    | unlabelled |         | 0     |
 | 466805 | null     | null      | null    | unlabelled |         | 0     |
 | 466806 | null     | null      | null    | unlabelled |         | 0     |
 | 606540 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 693937 | null     | null      | null    | unlabelled |         | 0     |
 | 693938 | v1:6     | ethernet1 | 1234::1 | 486429     |         | 1280  |
 | 693939 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 693940 | v1:6     | ethernet2 | 1235::3 | 706571     |         | 640   |
 | 693941 | v1:6     | ethernet2 | 1235::3 | 706572     |         | 640   |
 | 693942 | null     | null      | null    | unlabelled |         | 0     |
 | 693943 | null     | null      | null    | unlabelled |         | 0     |
 | 693944 | null     | null      | null    | unlabelled |         | 0     |
 | 693945 | null     | null      | null    | unlabelled |         | 0     |
 | 693946 | null     | null      | null    | unlabelled |         | 0     |
 | 867694 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 874710 | v1:6     | ethernet1 | 1234::1 | 3          |         | 0     |
 | 921346 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 959221 | v1:4     | ethernet2 | 1.1.2.3 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 3649   | v1:6     | ethernet2 | 1236::4 | 3          |         | 0     |
 | 155579 | v1:4     | ethernet2 | 1.1.3.4 | 3          |         | 0     |
 | 157444 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 166208 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 355003 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 523134 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 530049 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 681429 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 706568 | null     | null      | null    | unlabelled |         | 0     |
 | 706569 | v1:6     | ethernet1 | 1235::2 | 693938     |         | 640   |
 | 706570 | v1:6     | ethernet1 | 1235::2 | 693939     |         | 640   |
 | 706571 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 706572 | v1:6     | ethernet2 | 1236::4 | 686350     |         | 1280  |
 | 706573 | null     | null      | null    | unlabelled |         | 0     |
 | 706574 | null     | null      | null    | unlabelled |         | 0     |
 | 706575 | null     | null      | null    | unlabelled |         | 0     |
 | 706576 | null     | null      | null    | unlabelled |         | 0     |
 | 706577 | null     | null      | null    | unlabelled |         | 0     |
 | 735570 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 872178 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 915562 | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 947588 | v1:4     | ethernet1 | 1.1.2.2 | 3          |         | 0     |
 | 995428 | null     | null      | null    | unlabelled |         | 0     |
 | 995429 | v1:4     | ethernet1 | 1.1.2.2 | 466798     |         | 640   |
 | 995430 | v1:4     | ethernet1 | 1.1.2.2 | 466799     |         | 640   |
 | 995431 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 995432 | v1:4     | ethernet2 | 1.1.3.4 | 300435     |         | 1280  |
 | 995433 | null     | null      | null    | unlabelled |         | 0     |
 | 995434 | null     | null      | null    | unlabelled |         | 0     |
 | 995435 | null     | null      | null    | unlabelled |         | 0     |
 | 995436 | null     | null      | null    | unlabelled |         | 0     |
 | 995437 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 209472 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 284844 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 300431 | null     | null      | null    | unlabelled |         | 0     |
 | 300432 | v1:4     | ethernet1 | 1.1.3.3 | 995429     |         | 0     |
 | 300433 | v1:4     | ethernet1 | 1.1.3.3 | 995430     |         | 0     |
 | 300434 | v1:4     | ethernet1 | 1.1.3.3 | 995431     |         | 0     |
 | 300435 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 300436 | null     | null      | null    | unlabelled |         | 0     |
 | 300437 | null     | null      | null    | unlabelled |         | 0     |
 | 300438 | null     | null      | null    | unlabelled |         | 0     |
 | 300439 | null     | null      | null    | unlabelled |         | 0     |
 | 300440 | null     | null      | null    | unlabelled |         | 0     |
 | 351250 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 488199 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 508772 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 570956 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 572031 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 615901 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 663054 | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 | 686346 | null     | null      | null    | unlabelled |         | 0     |
 | 686347 | v1:6     | ethernet1 | 1236::3 | 706569     |         | 0     |
 | 686348 | v1:6     | ethernet1 | 1236::3 | 706570     |         | 0     |
 | 686349 | v1:6     | ethernet1 | 1236::3 | 706571     |         | 0     |
 | 686350 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 686351 | null     | null      | null    | unlabelled |         | 0     |
 | 686352 | null     | null      | null    | unlabelled |         | 0     |
 | 686353 | null     | null      | null    | unlabelled |         | 0     |
 | 686354 | null     | null      | null    | unlabelled |         | 0     |
 | 686355 | null     | null      | null    | unlabelled |         | 0     |
 | 875801 | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r4#
r4#