here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 67550  | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 | 68062  | null     | null      | null    | unlabelled |         | 0     |
 | 68063  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 68064  | v1:4     | ethernet1 | 1.1.1.2 | 614732     |         | 0     |
 | 68065  | v1:4     | ethernet1 | 1.1.1.2 | 614733     |         | 0     |
 | 68066  | v1:4     | ethernet1 | 1.1.1.2 | 614734     |         | 0     |
 | 68067  | null     | null      | null    | unlabelled |         | 0     |
 | 68068  | null     | null      | null    | unlabelled |         | 0     |
 | 68069  | null     | null      | null    | unlabelled |         | 0     |
 | 68070  | null     | null      | null    | unlabelled |         | 0     |
 | 68071  | null     | null      | null    | unlabelled |         | 0     |
 | 107147 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 258938 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 403027 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 490688 | null     | null      | null    | unlabelled |         | 0     |
 | 490689 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 490690 | v1:6     | ethernet1 | 1234::2 | 628533     |         | 0     |
 | 490691 | v1:6     | ethernet1 | 1234::2 | 628534     |         | 0     |
 | 490692 | v1:6     | ethernet1 | 1234::2 | 628535     |         | 0     |
 | 490693 | null     | null      | null    | unlabelled |         | 0     |
 | 490694 | null     | null      | null    | unlabelled |         | 0     |
 | 490695 | null     | null      | null    | unlabelled |         | 0     |
 | 490696 | null     | null      | null    | unlabelled |         | 0     |
 | 490697 | null     | null      | null    | unlabelled |         | 0     |
 | 879305 | v1:6     | ethernet1 | 1234::2 | 3          |         | 0     |
 | 941155 | tester: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 |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 10695   | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 57950   | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 | 72084   | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 220237  | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 | 391508  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 614730  | null     | null      | null    | unlabelled |         | 0     |
 | 614731  | v1:4     | ethernet1 | 1.1.1.1 | 68063      |         | 1280  |
 | 614732  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 614733  | v1:4     | ethernet2 | 1.1.2.3 | 72789      |         | 640   |
 | 614734  | v1:4     | ethernet2 | 1.1.2.3 | 72790      |         | 640   |
 | 614735  | null     | null      | null    | unlabelled |         | 0     |
 | 614736  | null     | null      | null    | unlabelled |         | 0     |
 | 614737  | null     | null      | null    | unlabelled |         | 0     |
 | 614738  | null     | null      | null    | unlabelled |         | 0     |
 | 614739  | null     | null      | null    | unlabelled |         | 0     |
 | 628531  | null     | null      | null    | unlabelled |         | 0     |
 | 628532  | v1:6     | ethernet1 | 1234::1 | 490689     |         | 1280  |
 | 628533  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 628534  | v1:6     | ethernet2 | 1235::3 | 619605     |         | 640   |
 | 628535  | v1:6     | ethernet2 | 1235::3 | 619606     |         | 640   |
 | 628536  | null     | null      | null    | unlabelled |         | 0     |
 | 628537  | null     | null      | null    | unlabelled |         | 0     |
 | 628538  | null     | null      | null    | unlabelled |         | 0     |
 | 628539  | null     | null      | null    | unlabelled |         | 0     |
 | 628540  | null     | null      | null    | unlabelled |         | 0     |
 | 709145  | v1:6     | ethernet1 | 1234::1 | 3          |         | 0     |
 | 741413  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 1046610 | v1:4     | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 72786  | null     | null      | null    | unlabelled |         | 0     |
 | 72787  | v1:4     | ethernet1 | 1.1.2.2 | 614731     |         | 640   |
 | 72788  | v1:4     | ethernet1 | 1.1.2.2 | 614732     |         | 640   |
 | 72789  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 72790  | v1:4     | ethernet2 | 1.1.3.4 | 520663     |         | 1280  |
 | 72791  | null     | null      | null    | unlabelled |         | 0     |
 | 72792  | null     | null      | null    | unlabelled |         | 0     |
 | 72793  | null     | null      | null    | unlabelled |         | 0     |
 | 72794  | null     | null      | null    | unlabelled |         | 0     |
 | 72795  | null     | null      | null    | unlabelled |         | 0     |
 | 118246 | v1:4     | ethernet1 | 1.1.2.2 | 3          |         | 0     |
 | 183874 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 236324 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 237096 | v1:4     | ethernet2 | 1.1.3.4 | 3          |         | 0     |
 | 254295 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 387997 | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 532727 | v1:6     | ethernet2 | 1236::4 | 3          |         | 0     |
 | 619602 | null     | null      | null    | unlabelled |         | 0     |
 | 619603 | v1:6     | ethernet1 | 1235::2 | 628532     |         | 640   |
 | 619604 | v1:6     | ethernet1 | 1235::2 | 628533     |         | 640   |
 | 619605 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 619606 | v1:6     | ethernet2 | 1236::4 | 127196     |         | 1280  |
 | 619607 | null     | null      | null    | unlabelled |         | 0     |
 | 619608 | null     | null      | null    | unlabelled |         | 0     |
 | 619609 | null     | null      | null    | unlabelled |         | 0     |
 | 619610 | null     | null      | null    | unlabelled |         | 0     |
 | 619611 | null     | null      | null    | unlabelled |         | 0     |
 | 683926 | v1:6     | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 127192 | null     | null      | null    | unlabelled |         | 0     |
 | 127193 | v1:6     | ethernet1 | 1236::3 | 619603     |         | 0     |
 | 127194 | v1:6     | ethernet1 | 1236::3 | 619604     |         | 0     |
 | 127195 | v1:6     | ethernet1 | 1236::3 | 619605     |         | 0     |
 | 127196 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 127197 | null     | null      | null    | unlabelled |         | 0     |
 | 127198 | null     | null      | null    | unlabelled |         | 0     |
 | 127199 | null     | null      | null    | unlabelled |         | 0     |
 | 127200 | null     | null      | null    | unlabelled |         | 0     |
 | 127201 | null     | null      | null    | unlabelled |         | 0     |
 | 301139 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 345304 | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 | 508008 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 520659 | null     | null      | null    | unlabelled |         | 0     |
 | 520660 | v1:4     | ethernet1 | 1.1.3.3 | 72787      |         | 0     |
 | 520661 | v1:4     | ethernet1 | 1.1.3.3 | 72788      |         | 0     |
 | 520662 | v1:4     | ethernet1 | 1.1.3.3 | 72789      |         | 0     |
 | 520663 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 520664 | null     | null      | null    | unlabelled |         | 0     |
 | 520665 | null     | null      | null    | unlabelled |         | 0     |
 | 520666 | null     | null      | null    | unlabelled |         | 0     |
 | 520667 | null     | null      | null    | unlabelled |         | 0     |
 | 520668 | null     | null      | null    | unlabelled |         | 0     |
 | 582052 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 613331 | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 | 675246 | v1:4     | null      | null    | unlabelled | local   | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r4#
r4#