here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 167320 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 189451 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 386431 | null     | null      | null    | unlabelled |         | 0     |
 | 386432 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 386433 | v1:4     | ethernet1 | 1.1.1.2 | 792789     |         | 0     |
 | 386434 | v1:4     | ethernet1 | 1.1.1.2 | 792790     |         | 0     |
 | 386435 | v1:4     | ethernet1 | 1.1.1.2 | 792791     |         | 0     |
 | 386436 | null     | null      | null    | unlabelled |         | 0     |
 | 386437 | null     | null      | null    | unlabelled |         | 0     |
 | 386438 | null     | null      | null    | unlabelled |         | 0     |
 | 386439 | null     | null      | null    | unlabelled |         | 0     |
 | 386440 | null     | null      | null    | unlabelled |         | 0     |
 | 458390 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 473796 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 559694 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 581830 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 689719 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 705349 | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 | 809008 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 846590 | v1:6     | ethernet1 | 1234::2 | 3          |         | 0     |
 | 935665 | null     | null      | null    | unlabelled |         | 0     |
 | 935666 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 935667 | v1:6     | ethernet1 | 1234::2 | 838600     |         | 0     |
 | 935668 | v1:6     | ethernet1 | 1234::2 | 838601     |         | 0     |
 | 935669 | v1:6     | ethernet1 | 1234::2 | 838602     |         | 0     |
 | 935670 | null     | null      | null    | unlabelled |         | 0     |
 | 935671 | null     | null      | null    | unlabelled |         | 0     |
 | 935672 | null     | null      | null    | unlabelled |         | 0     |
 | 935673 | null     | null      | null    | unlabelled |         | 0     |
 | 935674 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 1590   | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 67099  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 107465 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 145437 | v1:6     | ethernet1 | 1234::1 | 3          |         | 0     |
 | 251381 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 341384 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 583234 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 702235 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 719736 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 744512 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 792787 | null     | null      | null    | unlabelled |         | 0     |
 | 792788 | v1:4     | ethernet1 | 1.1.1.1 | 386432     |         | 1280  |
 | 792789 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 792790 | v1:4     | ethernet2 | 1.1.2.3 | 975872     |         | 640   |
 | 792791 | v1:4     | ethernet2 | 1.1.2.3 | 975873     |         | 640   |
 | 792792 | null     | null      | null    | unlabelled |         | 0     |
 | 792793 | null     | null      | null    | unlabelled |         | 0     |
 | 792794 | null     | null      | null    | unlabelled |         | 0     |
 | 792795 | null     | null      | null    | unlabelled |         | 0     |
 | 792796 | null     | null      | null    | unlabelled |         | 0     |
 | 838598 | null     | null      | null    | unlabelled |         | 0     |
 | 838599 | v1:6     | ethernet1 | 1234::1 | 935666     |         | 1280  |
 | 838600 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 838601 | v1:6     | ethernet2 | 1235::3 | 281576     |         | 640   |
 | 838602 | v1:6     | ethernet2 | 1235::3 | 281577     |         | 640   |
 | 838603 | null     | null      | null    | unlabelled |         | 0     |
 | 838604 | null     | null      | null    | unlabelled |         | 0     |
 | 838605 | null     | null      | null    | unlabelled |         | 0     |
 | 838606 | null     | null      | null    | unlabelled |         | 0     |
 | 838607 | null     | null      | null    | unlabelled |         | 0     |
 | 888213 | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 | 981000 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 25203  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 84261  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 130507 | v1:4     | ethernet2 | 1.1.3.4 | 3          |         | 0     |
 | 140661 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 147770 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 167333 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 212483 | v1:4     | ethernet1 | 1.1.2.2 | 3          |         | 0     |
 | 281573 | null     | null      | null    | unlabelled |         | 0     |
 | 281574 | v1:6     | ethernet1 | 1235::2 | 838599     |         | 640   |
 | 281575 | v1:6     | ethernet1 | 1235::2 | 838600     |         | 640   |
 | 281576 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 281577 | v1:6     | ethernet2 | 1236::4 | 483765     |         | 1280  |
 | 281578 | null     | null      | null    | unlabelled |         | 0     |
 | 281579 | null     | null      | null    | unlabelled |         | 0     |
 | 281580 | null     | null      | null    | unlabelled |         | 0     |
 | 281581 | null     | null      | null    | unlabelled |         | 0     |
 | 281582 | null     | null      | null    | unlabelled |         | 0     |
 | 288985 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 299617 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 413890 | v1:6     | ethernet2 | 1236::4 | 3          |         | 0     |
 | 638789 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 803804 | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 975869 | null     | null      | null    | unlabelled |         | 0     |
 | 975870 | v1:4     | ethernet1 | 1.1.2.2 | 792788     |         | 640   |
 | 975871 | v1:4     | ethernet1 | 1.1.2.2 | 792789     |         | 640   |
 | 975872 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 975873 | v1:4     | ethernet2 | 1.1.3.4 | 500889     |         | 1280  |
 | 975874 | null     | null      | null    | unlabelled |         | 0     |
 | 975875 | null     | null      | null    | unlabelled |         | 0     |
 | 975876 | null     | null      | null    | unlabelled |         | 0     |
 | 975877 | null     | null      | null    | unlabelled |         | 0     |
 | 975878 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 85500  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 195577 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 259727 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 308498 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 483761 | null     | null      | null    | unlabelled |         | 0     |
 | 483762 | v1:6     | ethernet1 | 1236::3 | 281574     |         | 0     |
 | 483763 | v1:6     | ethernet1 | 1236::3 | 281575     |         | 0     |
 | 483764 | v1:6     | ethernet1 | 1236::3 | 281576     |         | 0     |
 | 483765 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 483766 | null     | null      | null    | unlabelled |         | 0     |
 | 483767 | null     | null      | null    | unlabelled |         | 0     |
 | 483768 | null     | null      | null    | unlabelled |         | 0     |
 | 483769 | null     | null      | null    | unlabelled |         | 0     |
 | 483770 | null     | null      | null    | unlabelled |         | 0     |
 | 500885 | null     | null      | null    | unlabelled |         | 0     |
 | 500886 | v1:4     | ethernet1 | 1.1.3.3 | 975870     |         | 0     |
 | 500887 | v1:4     | ethernet1 | 1.1.3.3 | 975871     |         | 0     |
 | 500888 | v1:4     | ethernet1 | 1.1.3.3 | 975872     |         | 0     |
 | 500889 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 500890 | null     | null      | null    | unlabelled |         | 0     |
 | 500891 | null     | null      | null    | unlabelled |         | 0     |
 | 500892 | null     | null      | null    | unlabelled |         | 0     |
 | 500893 | null     | null      | null    | unlabelled |         | 0     |
 | 500894 | null     | null      | null    | unlabelled |         | 0     |
 | 709330 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 756170 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 870959 | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 | 927885 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 938781 | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 | 978698 | v1:6     | null      | null    | unlabelled | local   | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r4#
r4#