here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 170446 | v1:6     | ethernet1 | 1234::2 | 3          |         | 0     |
 | 219967 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 253990 | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 | 293312 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 350130 | null     | null      | null    | unlabelled |         | 0     |
 | 350131 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 350132 | v1:4     | ethernet1 | 1.1.1.2 | 637345     |         | 0     |
 | 350133 | v1:4     | ethernet1 | 1.1.1.2 | 637346     |         | 0     |
 | 350134 | v1:4     | ethernet1 | 1.1.1.2 | 637347     |         | 0     |
 | 350135 | null     | null      | null    | unlabelled |         | 0     |
 | 350136 | null     | null      | null    | unlabelled |         | 0     |
 | 350137 | null     | null      | null    | unlabelled |         | 0     |
 | 350138 | null     | null      | null    | unlabelled |         | 0     |
 | 350139 | null     | null      | null    | unlabelled |         | 0     |
 | 571282 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 593158 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 611202 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 689672 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 845181 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 930529 | null     | null      | null    | unlabelled |         | 0     |
 | 930530 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 930531 | v1:6     | ethernet1 | 1234::2 | 455690     |         | 0     |
 | 930532 | v1:6     | ethernet1 | 1234::2 | 455691     |         | 0     |
 | 930533 | v1:6     | ethernet1 | 1234::2 | 455692     |         | 0     |
 | 930534 | null     | null      | null    | unlabelled |         | 0     |
 | 930535 | null     | null      | null    | unlabelled |         | 0     |
 | 930536 | null     | null      | null    | unlabelled |         | 0     |
 | 930537 | null     | null      | null    | unlabelled |         | 0     |
 | 930538 | null     | null      | null    | unlabelled |         | 0     |
 | 997082 | 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 |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 113018  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 162652  | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 | 341801  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 342408  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 356698  | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 455688  | null     | null      | null    | unlabelled |         | 0     |
 | 455689  | v1:6     | ethernet1 | 1234::1 | 930530     |         | 1280  |
 | 455690  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 455691  | v1:6     | ethernet2 | 1235::3 | 674909     |         | 640   |
 | 455692  | v1:6     | ethernet2 | 1235::3 | 674910     |         | 640   |
 | 455693  | null     | null      | null    | unlabelled |         | 0     |
 | 455694  | null     | null      | null    | unlabelled |         | 0     |
 | 455695  | null     | null      | null    | unlabelled |         | 0     |
 | 455696  | null     | null      | null    | unlabelled |         | 0     |
 | 455697  | null     | null      | null    | unlabelled |         | 0     |
 | 539847  | v1:6     | ethernet1 | 1234::1 | 3          |         | 0     |
 | 564137  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 637343  | null     | null      | null    | unlabelled |         | 0     |
 | 637344  | v1:4     | ethernet1 | 1.1.1.1 | 350131     |         | 1280  |
 | 637345  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 637346  | v1:4     | ethernet2 | 1.1.2.3 | 629144     |         | 640   |
 | 637347  | v1:4     | ethernet2 | 1.1.2.3 | 629145     |         | 640   |
 | 637348  | null     | null      | null    | unlabelled |         | 0     |
 | 637349  | null     | null      | null    | unlabelled |         | 0     |
 | 637350  | null     | null      | null    | unlabelled |         | 0     |
 | 637351  | null     | null      | null    | unlabelled |         | 0     |
 | 637352  | null     | null      | null    | unlabelled |         | 0     |
 | 698958  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 757090  | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 | 997163  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 1012726 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 1047798 | tester: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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 76756  | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 130058 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 142675 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 225192 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 302768 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 303024 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 321274 | v1:4     | ethernet2 | 1.1.3.4 | 3          |         | 0     |
 | 369497 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 488698 | v1:6     | ethernet2 | 1236::4 | 3          |         | 0     |
 | 510676 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 532675 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 629141 | null     | null      | null    | unlabelled |         | 0     |
 | 629142 | v1:4     | ethernet1 | 1.1.2.2 | 637344     |         | 640   |
 | 629143 | v1:4     | ethernet1 | 1.1.2.2 | 637345     |         | 640   |
 | 629144 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 629145 | v1:4     | ethernet2 | 1.1.3.4 | 522797     |         | 1280  |
 | 629146 | null     | null      | null    | unlabelled |         | 0     |
 | 629147 | null     | null      | null    | unlabelled |         | 0     |
 | 629148 | null     | null      | null    | unlabelled |         | 0     |
 | 629149 | null     | null      | null    | unlabelled |         | 0     |
 | 629150 | null     | null      | null    | unlabelled |         | 0     |
 | 674906 | null     | null      | null    | unlabelled |         | 0     |
 | 674907 | v1:6     | ethernet1 | 1235::2 | 455689     |         | 640   |
 | 674908 | v1:6     | ethernet1 | 1235::2 | 455690     |         | 640   |
 | 674909 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 674910 | v1:6     | ethernet2 | 1236::4 | 427939     |         | 1280  |
 | 674911 | null     | null      | null    | unlabelled |         | 0     |
 | 674912 | null     | null      | null    | unlabelled |         | 0     |
 | 674913 | null     | null      | null    | unlabelled |         | 0     |
 | 674914 | null     | null      | null    | unlabelled |         | 0     |
 | 674915 | null     | null      | null    | unlabelled |         | 0     |
 | 901300 | v1:4     | ethernet1 | 1.1.2.2 | 3          |         | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r3#
r3#
here is the lib:
r4#
r4#
r4#show mpls forw
r4#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 170768 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 220281 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 283246 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 427935 | null     | null      | null    | unlabelled |         | 0     |
 | 427936 | v1:6     | ethernet1 | 1236::3 | 674907     |         | 0     |
 | 427937 | v1:6     | ethernet1 | 1236::3 | 674908     |         | 0     |
 | 427938 | v1:6     | ethernet1 | 1236::3 | 674909     |         | 0     |
 | 427939 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 427940 | null     | null      | null    | unlabelled |         | 0     |
 | 427941 | null     | null      | null    | unlabelled |         | 0     |
 | 427942 | null     | null      | null    | unlabelled |         | 0     |
 | 427943 | null     | null      | null    | unlabelled |         | 0     |
 | 427944 | null     | null      | null    | unlabelled |         | 0     |
 | 456246 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 522793 | null     | null      | null    | unlabelled |         | 0     |
 | 522794 | v1:4     | ethernet1 | 1.1.3.3 | 629142     |         | 0     |
 | 522795 | v1:4     | ethernet1 | 1.1.3.3 | 629143     |         | 0     |
 | 522796 | v1:4     | ethernet1 | 1.1.3.3 | 629144     |         | 0     |
 | 522797 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 522798 | null     | null      | null    | unlabelled |         | 0     |
 | 522799 | null     | null      | null    | unlabelled |         | 0     |
 | 522800 | null     | null      | null    | unlabelled |         | 0     |
 | 522801 | null     | null      | null    | unlabelled |         | 0     |
 | 522802 | null     | null      | null    | unlabelled |         | 0     |
 | 625527 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 671799 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 783335 | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 | 922936 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 931302 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 942040 | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r4#
r4#