here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 15126  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 21698  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 43573  | null     | null      | null    | unlabelled |         | 0     |
 | 43574  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 43575  | v1:6     | ethernet1 | 1234::2 | 620346     |         | 0     |
 | 43576  | v1:6     | ethernet1 | 1234::2 | 620347     |         | 0     |
 | 43577  | v1:6     | ethernet1 | 1234::2 | 620348     |         | 0     |
 | 43578  | null     | null      | null    | unlabelled |         | 0     |
 | 43579  | null     | null      | null    | unlabelled |         | 0     |
 | 43580  | null     | null      | null    | unlabelled |         | 0     |
 | 43581  | null     | null      | null    | unlabelled |         | 0     |
 | 43582  | null     | null      | null    | unlabelled |         | 0     |
 | 213231 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 263746 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 405876 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 529831 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 610051 | v1:6     | ethernet1 | 1234::2 | 3          |         | 0     |
 | 759021 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 759284 | null     | null      | null    | unlabelled |         | 0     |
 | 759285 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 759286 | v1:4     | ethernet1 | 1.1.1.2 | 153357     |         | 0     |
 | 759287 | v1:4     | ethernet1 | 1.1.1.2 | 153358     |         | 0     |
 | 759288 | v1:4     | ethernet1 | 1.1.1.2 | 153359     |         | 0     |
 | 759289 | null     | null      | null    | unlabelled |         | 0     |
 | 759290 | null     | null      | null    | unlabelled |         | 0     |
 | 759291 | null     | null      | null    | unlabelled |         | 0     |
 | 759292 | null     | null      | null    | unlabelled |         | 0     |
 | 759293 | null     | null      | null    | unlabelled |         | 0     |
 | 818153 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 849164 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 30794  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 88464  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 153355 | null     | null      | null    | unlabelled |         | 0     |
 | 153356 | v1:4     | ethernet1 | 1.1.1.1 | 759285     |         | 1280  |
 | 153357 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 153358 | v1:4     | ethernet2 | 1.1.2.3 | 963277     |         | 640   |
 | 153359 | v1:4     | ethernet2 | 1.1.2.3 | 963278     |         | 640   |
 | 153360 | null     | null      | null    | unlabelled |         | 0     |
 | 153361 | null     | null      | null    | unlabelled |         | 0     |
 | 153362 | null     | null      | null    | unlabelled |         | 0     |
 | 153363 | null     | null      | null    | unlabelled |         | 0     |
 | 153364 | null     | null      | null    | unlabelled |         | 0     |
 | 160255 | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 438488 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 462783 | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 | 608843 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 619522 | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 | 620344 | null     | null      | null    | unlabelled |         | 0     |
 | 620345 | v1:6     | ethernet1 | 1234::1 | 43574      |         | 1280  |
 | 620346 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 620347 | v1:6     | ethernet2 | 1235::3 | 529042     |         | 640   |
 | 620348 | v1:6     | ethernet2 | 1235::3 | 529043     |         | 640   |
 | 620349 | null     | null      | null    | unlabelled |         | 0     |
 | 620350 | null     | null      | null    | unlabelled |         | 0     |
 | 620351 | null     | null      | null    | unlabelled |         | 0     |
 | 620352 | null     | null      | null    | unlabelled |         | 0     |
 | 620353 | null     | null      | null    | unlabelled |         | 0     |
 | 645576 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 668302 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 717369 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 742741 | v1:6     | ethernet1 | 1234::1 | 3          |         | 0     |
 | 748965 | v1:6     | 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 |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 108337  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 175235  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 177415  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 211609  | v1:4     | ethernet2 | 1.1.3.4 | 3          |         | 0     |
 | 248010  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 369308  | v1:4     | ethernet1 | 1.1.2.2 | 3          |         | 0     |
 | 477917  | v1:6     | ethernet2 | 1236::4 | 3          |         | 0     |
 | 486884  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 529039  | null     | null      | null    | unlabelled |         | 0     |
 | 529040  | v1:6     | ethernet1 | 1235::2 | 620345     |         | 640   |
 | 529041  | v1:6     | ethernet1 | 1235::2 | 620346     |         | 640   |
 | 529042  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 529043  | v1:6     | ethernet2 | 1236::4 | 586273     |         | 1280  |
 | 529044  | null     | null      | null    | unlabelled |         | 0     |
 | 529045  | null     | null      | null    | unlabelled |         | 0     |
 | 529046  | null     | null      | null    | unlabelled |         | 0     |
 | 529047  | null     | null      | null    | unlabelled |         | 0     |
 | 529048  | null     | null      | null    | unlabelled |         | 0     |
 | 728100  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 752374  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 943835  | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 963274  | null     | null      | null    | unlabelled |         | 0     |
 | 963275  | v1:4     | ethernet1 | 1.1.2.2 | 153356     |         | 640   |
 | 963276  | v1:4     | ethernet1 | 1.1.2.2 | 153357     |         | 640   |
 | 963277  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 963278  | v1:4     | ethernet2 | 1.1.3.4 | 403107     |         | 1280  |
 | 963279  | null     | null      | null    | unlabelled |         | 0     |
 | 963280  | null     | null      | null    | unlabelled |         | 0     |
 | 963281  | null     | null      | null    | unlabelled |         | 0     |
 | 963282  | null     | null      | null    | unlabelled |         | 0     |
 | 963283  | null     | null      | null    | unlabelled |         | 0     |
 | 1013100 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 18428  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 19991  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 347299 | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 | 403103 | null     | null      | null    | unlabelled |         | 0     |
 | 403104 | v1:4     | ethernet1 | 1.1.3.3 | 963275     |         | 0     |
 | 403105 | v1:4     | ethernet1 | 1.1.3.3 | 963276     |         | 0     |
 | 403106 | v1:4     | ethernet1 | 1.1.3.3 | 963277     |         | 0     |
 | 403107 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 403108 | null     | null      | null    | unlabelled |         | 0     |
 | 403109 | null     | null      | null    | unlabelled |         | 0     |
 | 403110 | null     | null      | null    | unlabelled |         | 0     |
 | 403111 | null     | null      | null    | unlabelled |         | 0     |
 | 403112 | null     | null      | null    | unlabelled |         | 0     |
 | 447214 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 463955 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 477477 | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 | 502265 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 566181 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 586269 | null     | null      | null    | unlabelled |         | 0     |
 | 586270 | v1:6     | ethernet1 | 1236::3 | 529040     |         | 0     |
 | 586271 | v1:6     | ethernet1 | 1236::3 | 529041     |         | 0     |
 | 586272 | v1:6     | ethernet1 | 1236::3 | 529042     |         | 0     |
 | 586273 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 586274 | null     | null      | null    | unlabelled |         | 0     |
 | 586275 | null     | null      | null    | unlabelled |         | 0     |
 | 586276 | null     | null      | null    | unlabelled |         | 0     |
 | 586277 | null     | null      | null    | unlabelled |         | 0     |
 | 586278 | null     | null      | null    | unlabelled |         | 0     |
 | 800729 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 950954 | tester:4 | null      | null    | unlabelled | local   | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r4#
r4#