here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 26624  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 88693  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 149721 | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 | 276213 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 285259 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 345153 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 545678 | v1:6     | ethernet1 | 1234::2 | 3          |         | 0     |
 | 556568 | null     | null      | null    | unlabelled |         | 0     |
 | 556569 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 556570 | v1:4     | ethernet1 | 1.1.1.2 | 159627     |         | 0     |
 | 556571 | v1:4     | ethernet1 | 1.1.1.2 | 159628     |         | 0     |
 | 556572 | v1:4     | ethernet1 | 1.1.1.2 | 159629     |         | 0     |
 | 556573 | null     | null      | null    | unlabelled |         | 0     |
 | 556574 | null     | null      | null    | unlabelled |         | 0     |
 | 556575 | null     | null      | null    | unlabelled |         | 0     |
 | 556576 | null     | null      | null    | unlabelled |         | 0     |
 | 556577 | null     | null      | null    | unlabelled |         | 0     |
 | 715483 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 756447 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 787823 | null     | null      | null    | unlabelled |         | 0     |
 | 787824 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 787825 | v1:6     | ethernet1 | 1234::2 | 145819     |         | 0     |
 | 787826 | v1:6     | ethernet1 | 1234::2 | 145820     |         | 0     |
 | 787827 | v1:6     | ethernet1 | 1234::2 | 145821     |         | 0     |
 | 787828 | null     | null      | null    | unlabelled |         | 0     |
 | 787829 | null     | null      | null    | unlabelled |         | 0     |
 | 787830 | null     | null      | null    | unlabelled |         | 0     |
 | 787831 | null     | null      | null    | unlabelled |         | 0     |
 | 787832 | null     | null      | null    | unlabelled |         | 0     |
 | 819147 | tester: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 |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 28509   | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 112125  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 126530  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 140896  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 145817  | null     | null      | null    | unlabelled |         | 0     |
 | 145818  | v1:6     | ethernet1 | 1234::1 | 787824     |         | 1280  |
 | 145819  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 145820  | v1:6     | ethernet2 | 1235::3 | 132788     |         | 640   |
 | 145821  | v1:6     | ethernet2 | 1235::3 | 132789     |         | 640   |
 | 145822  | null     | null      | null    | unlabelled |         | 0     |
 | 145823  | null     | null      | null    | unlabelled |         | 0     |
 | 145824  | null     | null      | null    | unlabelled |         | 0     |
 | 145825  | null     | null      | null    | unlabelled |         | 0     |
 | 145826  | null     | null      | null    | unlabelled |         | 0     |
 | 159625  | null     | null      | null    | unlabelled |         | 0     |
 | 159626  | v1:4     | ethernet1 | 1.1.1.1 | 556569     |         | 1280  |
 | 159627  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 159628  | v1:4     | ethernet2 | 1.1.2.3 | 547582     |         | 640   |
 | 159629  | v1:4     | ethernet2 | 1.1.2.3 | 547583     |         | 640   |
 | 159630  | null     | null      | null    | unlabelled |         | 0     |
 | 159631  | null     | null      | null    | unlabelled |         | 0     |
 | 159632  | null     | null      | null    | unlabelled |         | 0     |
 | 159633  | null     | null      | null    | unlabelled |         | 0     |
 | 159634  | null     | null      | null    | unlabelled |         | 0     |
 | 247361  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 401433  | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 | 698339  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 704565  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 735991  | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 | 882951  | v1:6     | ethernet1 | 1234::1 | 3          |         | 0     |
 | 1009840 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 1017316 | tester:6 | null      | null    | unlabelled | local   | 0     |
 |_________|__________|___________|_________|____________|_________|_______|
r2#
r2#
here is the lib:
r3#
r3#
r3#show mpls forw
r3#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 31235  | v1:4     | ethernet2 | 1.1.3.4 | 3          |         | 0     |
 | 132785 | null     | null      | null    | unlabelled |         | 0     |
 | 132786 | v1:6     | ethernet1 | 1235::2 | 145818     |         | 640   |
 | 132787 | v1:6     | ethernet1 | 1235::2 | 145819     |         | 640   |
 | 132788 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 132789 | v1:6     | ethernet2 | 1236::4 | 848377     |         | 1280  |
 | 132790 | null     | null      | null    | unlabelled |         | 0     |
 | 132791 | null     | null      | null    | unlabelled |         | 0     |
 | 132792 | null     | null      | null    | unlabelled |         | 0     |
 | 132793 | null     | null      | null    | unlabelled |         | 0     |
 | 132794 | null     | null      | null    | unlabelled |         | 0     |
 | 208619 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 236774 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 316233 | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 368490 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 547579 | null     | null      | null    | unlabelled |         | 0     |
 | 547580 | v1:4     | ethernet1 | 1.1.2.2 | 159626     |         | 640   |
 | 547581 | v1:4     | ethernet1 | 1.1.2.2 | 159627     |         | 640   |
 | 547582 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 547583 | v1:4     | ethernet2 | 1.1.3.4 | 300035     |         | 1280  |
 | 547584 | null     | null      | null    | unlabelled |         | 0     |
 | 547585 | null     | null      | null    | unlabelled |         | 0     |
 | 547586 | null     | null      | null    | unlabelled |         | 0     |
 | 547587 | null     | null      | null    | unlabelled |         | 0     |
 | 547588 | null     | null      | null    | unlabelled |         | 0     |
 | 596467 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 605591 | v1:6     | ethernet2 | 1236::4 | 3          |         | 0     |
 | 726439 | v1:4     | ethernet1 | 1.1.2.2 | 3          |         | 0     |
 | 733929 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 757854 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 897007 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 934556 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 280206 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 300031 | null     | null      | null    | unlabelled |         | 0     |
 | 300032 | v1:4     | ethernet1 | 1.1.3.3 | 547580     |         | 0     |
 | 300033 | v1:4     | ethernet1 | 1.1.3.3 | 547581     |         | 0     |
 | 300034 | v1:4     | ethernet1 | 1.1.3.3 | 547582     |         | 0     |
 | 300035 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 300036 | null     | null      | null    | unlabelled |         | 0     |
 | 300037 | null     | null      | null    | unlabelled |         | 0     |
 | 300038 | null     | null      | null    | unlabelled |         | 0     |
 | 300039 | null     | null      | null    | unlabelled |         | 0     |
 | 300040 | null     | null      | null    | unlabelled |         | 0     |
 | 313161 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 323013 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 387774 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 644040 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 709040 | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 | 737215 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 834165 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 848373 | null     | null      | null    | unlabelled |         | 0     |
 | 848374 | v1:6     | ethernet1 | 1236::3 | 132786     |         | 0     |
 | 848375 | v1:6     | ethernet1 | 1236::3 | 132787     |         | 0     |
 | 848376 | v1:6     | ethernet1 | 1236::3 | 132788     |         | 0     |
 | 848377 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 848378 | null     | null      | null    | unlabelled |         | 0     |
 | 848379 | null     | null      | null    | unlabelled |         | 0     |
 | 848380 | null     | null      | null    | unlabelled |         | 0     |
 | 848381 | null     | null      | null    | unlabelled |         | 0     |
 | 848382 | null     | null      | null    | unlabelled |         | 0     |
 | 917382 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 945027 | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r4#
r4#