here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 49001  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 110365 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 214894 | v1:6     | ethernet1 | 1234::2 | 3          |         | 0     |
 | 255763 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 357665 | null     | null      | null    | unlabelled |         | 0     |
 | 357666 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 357667 | v1:6     | ethernet1 | 1234::2 | 537293     |         | 0     |
 | 357668 | v1:6     | ethernet1 | 1234::2 | 537294     |         | 0     |
 | 357669 | v1:6     | ethernet1 | 1234::2 | 537295     |         | 0     |
 | 357670 | null     | null      | null    | unlabelled |         | 0     |
 | 357671 | null     | null      | null    | unlabelled |         | 0     |
 | 357672 | null     | null      | null    | unlabelled |         | 0     |
 | 357673 | null     | null      | null    | unlabelled |         | 0     |
 | 357674 | null     | null      | null    | unlabelled |         | 0     |
 | 390281 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 445027 | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 | 493673 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 557095 | null     | null      | null    | unlabelled |         | 0     |
 | 557096 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 557097 | v1:4     | ethernet1 | 1.1.1.2 | 656640     |         | 0     |
 | 557098 | v1:4     | ethernet1 | 1.1.1.2 | 656641     |         | 0     |
 | 557099 | v1:4     | ethernet1 | 1.1.1.2 | 656642     |         | 0     |
 | 557100 | null     | null      | null    | unlabelled |         | 0     |
 | 557101 | null     | null      | null    | unlabelled |         | 0     |
 | 557102 | null     | null      | null    | unlabelled |         | 0     |
 | 557103 | null     | null      | null    | unlabelled |         | 0     |
 | 557104 | null     | null      | null    | unlabelled |         | 0     |
 | 643861 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 891323 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 909508 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 105633 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 220148 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 258043 | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 | 262669 | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 325681 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 392681 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 517037 | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 | 537291 | null     | null      | null    | unlabelled |         | 0     |
 | 537292 | v1:6     | ethernet1 | 1234::1 | 357666     |         | 1280  |
 | 537293 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 537294 | v1:6     | ethernet2 | 1235::3 | 302123     |         | 640   |
 | 537295 | v1:6     | ethernet2 | 1235::3 | 302124     |         | 640   |
 | 537296 | null     | null      | null    | unlabelled |         | 0     |
 | 537297 | null     | null      | null    | unlabelled |         | 0     |
 | 537298 | null     | null      | null    | unlabelled |         | 0     |
 | 537299 | null     | null      | null    | unlabelled |         | 0     |
 | 537300 | null     | null      | null    | unlabelled |         | 0     |
 | 567860 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 623572 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 656638 | null     | null      | null    | unlabelled |         | 0     |
 | 656639 | v1:4     | ethernet1 | 1.1.1.1 | 557096     |         | 1280  |
 | 656640 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 656641 | v1:4     | ethernet2 | 1.1.2.3 | 929037     |         | 640   |
 | 656642 | v1:4     | ethernet2 | 1.1.2.3 | 929038     |         | 640   |
 | 656643 | null     | null      | null    | unlabelled |         | 0     |
 | 656644 | null     | null      | null    | unlabelled |         | 0     |
 | 656645 | null     | null      | null    | unlabelled |         | 0     |
 | 656646 | null     | null      | null    | unlabelled |         | 0     |
 | 656647 | null     | null      | null    | unlabelled |         | 0     |
 | 695810 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 956594 | v1:6     | ethernet1 | 1234::1 | 3          |         | 0     |
 | 972984 | 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 |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 97211   | v1:6     | ethernet2 | 1236::4 | 3          |         | 0     |
 | 161047  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 302120  | null     | null      | null    | unlabelled |         | 0     |
 | 302121  | v1:6     | ethernet1 | 1235::2 | 537292     |         | 640   |
 | 302122  | v1:6     | ethernet1 | 1235::2 | 537293     |         | 640   |
 | 302123  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 302124  | v1:6     | ethernet2 | 1236::4 | 992064     |         | 1280  |
 | 302125  | null     | null      | null    | unlabelled |         | 0     |
 | 302126  | null     | null      | null    | unlabelled |         | 0     |
 | 302127  | null     | null      | null    | unlabelled |         | 0     |
 | 302128  | null     | null      | null    | unlabelled |         | 0     |
 | 302129  | null     | null      | null    | unlabelled |         | 0     |
 | 323419  | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 333938  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 373852  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 446456  | v1:4     | ethernet1 | 1.1.2.2 | 3          |         | 0     |
 | 524632  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 646755  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 660812  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 929034  | null     | null      | null    | unlabelled |         | 0     |
 | 929035  | v1:4     | ethernet1 | 1.1.2.2 | 656639     |         | 640   |
 | 929036  | v1:4     | ethernet1 | 1.1.2.2 | 656640     |         | 640   |
 | 929037  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 929038  | v1:4     | ethernet2 | 1.1.3.4 | 683899     |         | 1280  |
 | 929039  | null     | null      | null    | unlabelled |         | 0     |
 | 929040  | null     | null      | null    | unlabelled |         | 0     |
 | 929041  | null     | null      | null    | unlabelled |         | 0     |
 | 929042  | null     | null      | null    | unlabelled |         | 0     |
 | 929043  | null     | null      | null    | unlabelled |         | 0     |
 | 945967  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 992138  | v1:4     | ethernet2 | 1.1.3.4 | 3          |         | 0     |
 | 1044428 | tester: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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 103600 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 265526 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 347358 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 434617 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 483908 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 653388 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 683895 | null     | null      | null    | unlabelled |         | 0     |
 | 683896 | v1:4     | ethernet1 | 1.1.3.3 | 929035     |         | 0     |
 | 683897 | v1:4     | ethernet1 | 1.1.3.3 | 929036     |         | 0     |
 | 683898 | v1:4     | ethernet1 | 1.1.3.3 | 929037     |         | 0     |
 | 683899 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 683900 | null     | null      | null    | unlabelled |         | 0     |
 | 683901 | null     | null      | null    | unlabelled |         | 0     |
 | 683902 | null     | null      | null    | unlabelled |         | 0     |
 | 683903 | null     | null      | null    | unlabelled |         | 0     |
 | 683904 | null     | null      | null    | unlabelled |         | 0     |
 | 794675 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 882686 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 928199 | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 | 992060 | null     | null      | null    | unlabelled |         | 0     |
 | 992061 | v1:6     | ethernet1 | 1236::3 | 302121     |         | 0     |
 | 992062 | v1:6     | ethernet1 | 1236::3 | 302122     |         | 0     |
 | 992063 | v1:6     | ethernet1 | 1236::3 | 302123     |         | 0     |
 | 992064 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 992065 | null     | null      | null    | unlabelled |         | 0     |
 | 992066 | null     | null      | null    | unlabelled |         | 0     |
 | 992067 | null     | null      | null    | unlabelled |         | 0     |
 | 992068 | null     | null      | null    | unlabelled |         | 0     |
 | 992069 | null     | null      | null    | unlabelled |         | 0     |
 | 999553 | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r4#
r4#