here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 24684  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 38540  | null     | null      | null    | unlabelled |         | 0     |
 | 38541  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 38542  | v1:6     | ethernet1 | 1234::2 | 258771     |         | 0     |
 | 38543  | v1:6     | ethernet1 | 1234::2 | 258772     |         | 0     |
 | 38544  | v1:6     | ethernet1 | 1234::2 | 258773     |         | 0     |
 | 38545  | null     | null      | null    | unlabelled |         | 0     |
 | 38546  | null     | null      | null    | unlabelled |         | 0     |
 | 38547  | null     | null      | null    | unlabelled |         | 0     |
 | 38548  | null     | null      | null    | unlabelled |         | 0     |
 | 38549  | null     | null      | null    | unlabelled |         | 0     |
 | 68018  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 73135  | null     | null      | null    | unlabelled |         | 0     |
 | 73136  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 73137  | v1:4     | ethernet1 | 1.1.1.2 | 876399     |         | 0     |
 | 73138  | v1:4     | ethernet1 | 1.1.1.2 | 876400     |         | 0     |
 | 73139  | v1:4     | ethernet1 | 1.1.1.2 | 876401     |         | 0     |
 | 73140  | null     | null      | null    | unlabelled |         | 0     |
 | 73141  | null     | null      | null    | unlabelled |         | 0     |
 | 73142  | null     | null      | null    | unlabelled |         | 0     |
 | 73143  | null     | null      | null    | unlabelled |         | 0     |
 | 73144  | null     | null      | null    | unlabelled |         | 0     |
 | 104842 | v1:6     | ethernet1 | 1234::2 | 3          |         | 0     |
 | 225932 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 517700 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 869811 | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r1#
r1#
here is the lib:
r2#
r2#
r2#show mpls forw
r2#show mpls forw
 |~~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label   | vrf      | iface     | hop     | label      | targets | bytes |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 56461   | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 258769  | null     | null      | null    | unlabelled |         | 0     |
 | 258770  | v1:6     | ethernet1 | 1234::1 | 38541      |         | 1280  |
 | 258771  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 258772  | v1:6     | ethernet2 | 1235::3 | 417476     |         | 640   |
 | 258773  | v1:6     | ethernet2 | 1235::3 | 417477     |         | 640   |
 | 258774  | null     | null      | null    | unlabelled |         | 0     |
 | 258775  | null     | null      | null    | unlabelled |         | 0     |
 | 258776  | null     | null      | null    | unlabelled |         | 0     |
 | 258777  | null     | null      | null    | unlabelled |         | 0     |
 | 258778  | null     | null      | null    | unlabelled |         | 0     |
 | 336009  | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 | 563027  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 698968  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 720635  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 751646  | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 876397  | null     | null      | null    | unlabelled |         | 0     |
 | 876398  | v1:4     | ethernet1 | 1.1.1.1 | 73136      |         | 1280  |
 | 876399  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 876400  | v1:4     | ethernet2 | 1.1.2.3 | 806032     |         | 640   |
 | 876401  | v1:4     | ethernet2 | 1.1.2.3 | 806033     |         | 640   |
 | 876402  | null     | null      | null    | unlabelled |         | 0     |
 | 876403  | null     | null      | null    | unlabelled |         | 0     |
 | 876404  | null     | null      | null    | unlabelled |         | 0     |
 | 876405  | null     | null      | null    | unlabelled |         | 0     |
 | 876406  | null     | null      | null    | unlabelled |         | 0     |
 | 912977  | v1:6     | ethernet1 | 1234::1 | 3          |         | 0     |
 | 1007051 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 417473 | null     | null      | null    | unlabelled |         | 0     |
 | 417474 | v1:6     | ethernet1 | 1235::2 | 258770     |         | 640   |
 | 417475 | v1:6     | ethernet1 | 1235::2 | 258771     |         | 640   |
 | 417476 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 417477 | v1:6     | ethernet2 | 1236::4 | 417726     |         | 1280  |
 | 417478 | null     | null      | null    | unlabelled |         | 0     |
 | 417479 | null     | null      | null    | unlabelled |         | 0     |
 | 417480 | null     | null      | null    | unlabelled |         | 0     |
 | 417481 | null     | null      | null    | unlabelled |         | 0     |
 | 417482 | null     | null      | null    | unlabelled |         | 0     |
 | 442695 | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 450078 | v1:4     | ethernet1 | 1.1.2.2 | 3          |         | 0     |
 | 485560 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 641336 | v1:6     | ethernet2 | 1236::4 | 3          |         | 0     |
 | 753281 | v1:4     | ethernet2 | 1.1.3.4 | 3          |         | 0     |
 | 806029 | null     | null      | null    | unlabelled |         | 0     |
 | 806030 | v1:4     | ethernet1 | 1.1.2.2 | 876398     |         | 640   |
 | 806031 | v1:4     | ethernet1 | 1.1.2.2 | 876399     |         | 640   |
 | 806032 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 806033 | v1:4     | ethernet2 | 1.1.3.4 | 286311     |         | 1280  |
 | 806034 | null     | null      | null    | unlabelled |         | 0     |
 | 806035 | null     | null      | null    | unlabelled |         | 0     |
 | 806036 | null     | null      | null    | unlabelled |         | 0     |
 | 806037 | null     | null      | null    | unlabelled |         | 0     |
 | 806038 | null     | null      | null    | unlabelled |         | 0     |
 | 818153 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 845263 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 980563 | v1:4     | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 188348 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 286207 | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 | 286307 | null     | null      | null    | unlabelled |         | 0     |
 | 286308 | v1:4     | ethernet1 | 1.1.3.3 | 806030     |         | 0     |
 | 286309 | v1:4     | ethernet1 | 1.1.3.3 | 806031     |         | 0     |
 | 286310 | v1:4     | ethernet1 | 1.1.3.3 | 806032     |         | 0     |
 | 286311 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 286312 | null     | null      | null    | unlabelled |         | 0     |
 | 286313 | null     | null      | null    | unlabelled |         | 0     |
 | 286314 | null     | null      | null    | unlabelled |         | 0     |
 | 286315 | null     | null      | null    | unlabelled |         | 0     |
 | 286316 | null     | null      | null    | unlabelled |         | 0     |
 | 343678 | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 | 417722 | null     | null      | null    | unlabelled |         | 0     |
 | 417723 | v1:6     | ethernet1 | 1236::3 | 417474     |         | 0     |
 | 417724 | v1:6     | ethernet1 | 1236::3 | 417475     |         | 0     |
 | 417725 | v1:6     | ethernet1 | 1236::3 | 417476     |         | 0     |
 | 417726 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 417727 | null     | null      | null    | unlabelled |         | 0     |
 | 417728 | null     | null      | null    | unlabelled |         | 0     |
 | 417729 | null     | null      | null    | unlabelled |         | 0     |
 | 417730 | null     | null      | null    | unlabelled |         | 0     |
 | 417731 | null     | null      | null    | unlabelled |         | 0     |
 | 458450 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 571955 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 723034 | v1:4     | null      | null    | unlabelled | local   | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r4#
r4#