here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 62114  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 108957 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 261591 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 266510 | null     | null      | null    | unlabelled |         | 0     |
 | 266511 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 266512 | v1:4     | ethernet1 | 1.1.1.2 | 137105     |         | 0     |
 | 266513 | v1:4     | ethernet1 | 1.1.1.2 | 137106     |         | 0     |
 | 266514 | v1:4     | ethernet1 | 1.1.1.2 | 137107     |         | 0     |
 | 266515 | null     | null      | null    | unlabelled |         | 0     |
 | 266516 | null     | null      | null    | unlabelled |         | 0     |
 | 266517 | null     | null      | null    | unlabelled |         | 0     |
 | 266518 | null     | null      | null    | unlabelled |         | 0     |
 | 266519 | null     | null      | null    | unlabelled |         | 0     |
 | 292247 | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 | 525917 | v1:6     | ethernet1 | 1234::2 | 3          |         | 0     |
 | 699742 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 822659 | null     | null      | null    | unlabelled |         | 0     |
 | 822660 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 822661 | v1:6     | ethernet1 | 1234::2 | 69121      |         | 0     |
 | 822662 | v1:6     | ethernet1 | 1234::2 | 69122      |         | 0     |
 | 822663 | v1:6     | ethernet1 | 1234::2 | 69123      |         | 0     |
 | 822664 | null     | null      | null    | unlabelled |         | 0     |
 | 822665 | null     | null      | null    | unlabelled |         | 0     |
 | 822666 | null     | null      | null    | unlabelled |         | 0     |
 | 822667 | null     | null      | null    | unlabelled |         | 0     |
 | 822668 | null     | null      | null    | unlabelled |         | 0     |
 | 851689 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 910096 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 913119 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 943363 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 66099  | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 | 69119  | null     | null      | null    | unlabelled |         | 0     |
 | 69120  | v1:6     | ethernet1 | 1234::1 | 822660     |         | 1280  |
 | 69121  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 69122  | v1:6     | ethernet2 | 1235::3 | 814996     |         | 640   |
 | 69123  | v1:6     | ethernet2 | 1235::3 | 814997     |         | 640   |
 | 69124  | null     | null      | null    | unlabelled |         | 0     |
 | 69125  | null     | null      | null    | unlabelled |         | 0     |
 | 69126  | null     | null      | null    | unlabelled |         | 0     |
 | 69127  | null     | null      | null    | unlabelled |         | 0     |
 | 69128  | null     | null      | null    | unlabelled |         | 0     |
 | 72154  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 125353 | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 | 137103 | null     | null      | null    | unlabelled |         | 0     |
 | 137104 | v1:4     | ethernet1 | 1.1.1.1 | 266511     |         | 1280  |
 | 137105 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 137106 | v1:4     | ethernet2 | 1.1.2.3 | 1046159    |         | 640   |
 | 137107 | v1:4     | ethernet2 | 1.1.2.3 | 1046160    |         | 640   |
 | 137108 | null     | null      | null    | unlabelled |         | 0     |
 | 137109 | null     | null      | null    | unlabelled |         | 0     |
 | 137110 | null     | null      | null    | unlabelled |         | 0     |
 | 137111 | null     | null      | null    | unlabelled |         | 0     |
 | 137112 | null     | null      | null    | unlabelled |         | 0     |
 | 207126 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 307968 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 372013 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 393986 | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 705428 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 725595 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 758373 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 905392 | v1:6     | ethernet1 | 1234::1 | 3          |         | 0     |
 | 953590 | tester:4 | 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 |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 9744    | v1:4     | ethernet1 | 1.1.2.2 | 3          |         | 0     |
 | 284060  | v1:4     | ethernet2 | 1.1.3.4 | 3          |         | 0     |
 | 288492  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 367530  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 421930  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 434494  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 545148  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 626254  | v1:6     | ethernet2 | 1236::4 | 3          |         | 0     |
 | 688569  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 790299  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 814993  | null     | null      | null    | unlabelled |         | 0     |
 | 814994  | v1:6     | ethernet1 | 1235::2 | 69120      |         | 640   |
 | 814995  | v1:6     | ethernet1 | 1235::2 | 69121      |         | 640   |
 | 814996  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 814997  | v1:6     | ethernet2 | 1236::4 | 380529     |         | 1280  |
 | 814998  | null     | null      | null    | unlabelled |         | 0     |
 | 814999  | null     | null      | null    | unlabelled |         | 0     |
 | 815000  | null     | null      | null    | unlabelled |         | 0     |
 | 815001  | null     | null      | null    | unlabelled |         | 0     |
 | 815002  | null     | null      | null    | unlabelled |         | 0     |
 | 833321  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 911664  | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 1046156 | null     | null      | null    | unlabelled |         | 0     |
 | 1046157 | v1:4     | ethernet1 | 1.1.2.2 | 137104     |         | 640   |
 | 1046158 | v1:4     | ethernet1 | 1.1.2.2 | 137105     |         | 640   |
 | 1046159 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 1046160 | v1:4     | ethernet2 | 1.1.3.4 | 537151     |         | 1280  |
 | 1046161 | null     | null      | null    | unlabelled |         | 0     |
 | 1046162 | null     | null      | null    | unlabelled |         | 0     |
 | 1046163 | null     | null      | null    | unlabelled |         | 0     |
 | 1046164 | null     | null      | null    | unlabelled |         | 0     |
 | 1046165 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 58056  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 59039  | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 | 59852  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 144868 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 149899 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 265334 | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 | 333854 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 380525 | null     | null      | null    | unlabelled |         | 0     |
 | 380526 | v1:6     | ethernet1 | 1236::3 | 814994     |         | 0     |
 | 380527 | v1:6     | ethernet1 | 1236::3 | 814995     |         | 0     |
 | 380528 | v1:6     | ethernet1 | 1236::3 | 814996     |         | 0     |
 | 380529 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 380530 | null     | null      | null    | unlabelled |         | 0     |
 | 380531 | null     | null      | null    | unlabelled |         | 0     |
 | 380532 | null     | null      | null    | unlabelled |         | 0     |
 | 380533 | null     | null      | null    | unlabelled |         | 0     |
 | 380534 | null     | null      | null    | unlabelled |         | 0     |
 | 462597 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 537147 | null     | null      | null    | unlabelled |         | 0     |
 | 537148 | v1:4     | ethernet1 | 1.1.3.3 | 1046157    |         | 0     |
 | 537149 | v1:4     | ethernet1 | 1.1.3.3 | 1046158    |         | 0     |
 | 537150 | v1:4     | ethernet1 | 1.1.3.3 | 1046159    |         | 0     |
 | 537151 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 537152 | null     | null      | null    | unlabelled |         | 0     |
 | 537153 | null     | null      | null    | unlabelled |         | 0     |
 | 537154 | null     | null      | null    | unlabelled |         | 0     |
 | 537155 | null     | null      | null    | unlabelled |         | 0     |
 | 537156 | null     | null      | null    | unlabelled |         | 0     |
 | 568174 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 917905 | tester:6 | null      | null    | unlabelled | local   | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r4#
r4#