here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 29131  | null     | null      | null    | unlabelled |         | 0     |
 | 29132  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 29133  | v1:6     | ethernet1 | 1234::2 | 640843     |         | 0     |
 | 29134  | v1:6     | ethernet1 | 1234::2 | 640844     |         | 0     |
 | 29135  | v1:6     | ethernet1 | 1234::2 | 640845     |         | 0     |
 | 29136  | null     | null      | null    | unlabelled |         | 0     |
 | 29137  | null     | null      | null    | unlabelled |         | 0     |
 | 29138  | null     | null      | null    | unlabelled |         | 0     |
 | 29139  | null     | null      | null    | unlabelled |         | 0     |
 | 29140  | null     | null      | null    | unlabelled |         | 0     |
 | 126701 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 339542 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 380627 | v1:6     | ethernet1 | 1234::2 | 3          |         | 0     |
 | 470654 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 539455 | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 | 650179 | null     | null      | null    | unlabelled |         | 0     |
 | 650180 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 650181 | v1:4     | ethernet1 | 1.1.1.2 | 339450     |         | 0     |
 | 650182 | v1:4     | ethernet1 | 1.1.1.2 | 339451     |         | 0     |
 | 650183 | v1:4     | ethernet1 | 1.1.1.2 | 339452     |         | 0     |
 | 650184 | null     | null      | null    | unlabelled |         | 0     |
 | 650185 | null     | null      | null    | unlabelled |         | 0     |
 | 650186 | null     | null      | null    | unlabelled |         | 0     |
 | 650187 | null     | null      | null    | unlabelled |         | 0     |
 | 650188 | null     | null      | null    | unlabelled |         | 0     |
 | 867427 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 307612 | v1:6     | ethernet1 | 1234::1 | 3          |         | 0     |
 | 317311 | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 339448 | null     | null      | null    | unlabelled |         | 0     |
 | 339449 | v1:4     | ethernet1 | 1.1.1.1 | 650180     |         | 1280  |
 | 339450 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 339451 | v1:4     | ethernet2 | 1.1.2.3 | 260297     |         | 640   |
 | 339452 | v1:4     | ethernet2 | 1.1.2.3 | 260298     |         | 640   |
 | 339453 | null     | null      | null    | unlabelled |         | 0     |
 | 339454 | null     | null      | null    | unlabelled |         | 0     |
 | 339455 | null     | null      | null    | unlabelled |         | 0     |
 | 339456 | null     | null      | null    | unlabelled |         | 0     |
 | 339457 | null     | null      | null    | unlabelled |         | 0     |
 | 344475 | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 | 361143 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 411113 | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 | 549606 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 640841 | null     | null      | null    | unlabelled |         | 0     |
 | 640842 | v1:6     | ethernet1 | 1234::1 | 29132      |         | 1280  |
 | 640843 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 640844 | v1:6     | ethernet2 | 1235::3 | 622039     |         | 640   |
 | 640845 | v1:6     | ethernet2 | 1235::3 | 622040     |         | 640   |
 | 640846 | null     | null      | null    | unlabelled |         | 0     |
 | 640847 | null     | null      | null    | unlabelled |         | 0     |
 | 640848 | null     | null      | null    | unlabelled |         | 0     |
 | 640849 | null     | null      | null    | unlabelled |         | 0     |
 | 640850 | null     | null      | null    | unlabelled |         | 0     |
 | 738453 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 830643 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 50250  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 257360 | v1:6     | ethernet2 | 1236::4 | 3          |         | 0     |
 | 260294 | null     | null      | null    | unlabelled |         | 0     |
 | 260295 | v1:4     | ethernet1 | 1.1.2.2 | 339449     |         | 640   |
 | 260296 | v1:4     | ethernet1 | 1.1.2.2 | 339450     |         | 640   |
 | 260297 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 260298 | v1:4     | ethernet2 | 1.1.3.4 | 354518     |         | 1280  |
 | 260299 | null     | null      | null    | unlabelled |         | 0     |
 | 260300 | null     | null      | null    | unlabelled |         | 0     |
 | 260301 | null     | null      | null    | unlabelled |         | 0     |
 | 260302 | null     | null      | null    | unlabelled |         | 0     |
 | 260303 | null     | null      | null    | unlabelled |         | 0     |
 | 345473 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 384936 | v1:4     | ethernet1 | 1.1.2.2 | 3          |         | 0     |
 | 449653 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 488387 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 622036 | null     | null      | null    | unlabelled |         | 0     |
 | 622037 | v1:6     | ethernet1 | 1235::2 | 640842     |         | 640   |
 | 622038 | v1:6     | ethernet1 | 1235::2 | 640843     |         | 640   |
 | 622039 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 622040 | v1:6     | ethernet2 | 1236::4 | 1032243    |         | 1280  |
 | 622041 | null     | null      | null    | unlabelled |         | 0     |
 | 622042 | null     | null      | null    | unlabelled |         | 0     |
 | 622043 | null     | null      | null    | unlabelled |         | 0     |
 | 622044 | null     | null      | null    | unlabelled |         | 0     |
 | 622045 | null     | null      | null    | unlabelled |         | 0     |
 | 749641 | v1:4     | ethernet2 | 1.1.3.4 | 3          |         | 0     |
 | 785247 | v1:6     | ethernet1 | 1235::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 |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 289227  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 295810  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 325611  | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 | 354514  | null     | null      | null    | unlabelled |         | 0     |
 | 354515  | v1:4     | ethernet1 | 1.1.3.3 | 260295     |         | 0     |
 | 354516  | v1:4     | ethernet1 | 1.1.3.3 | 260296     |         | 0     |
 | 354517  | v1:4     | ethernet1 | 1.1.3.3 | 260297     |         | 0     |
 | 354518  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 354519  | null     | null      | null    | unlabelled |         | 0     |
 | 354520  | null     | null      | null    | unlabelled |         | 0     |
 | 354521  | null     | null      | null    | unlabelled |         | 0     |
 | 354522  | null     | null      | null    | unlabelled |         | 0     |
 | 354523  | null     | null      | null    | unlabelled |         | 0     |
 | 491579  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 565959  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 650967  | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 | 1032239 | null     | null      | null    | unlabelled |         | 0     |
 | 1032240 | v1:6     | ethernet1 | 1236::3 | 622037     |         | 0     |
 | 1032241 | v1:6     | ethernet1 | 1236::3 | 622038     |         | 0     |
 | 1032242 | v1:6     | ethernet1 | 1236::3 | 622039     |         | 0     |
 | 1032243 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 1032244 | null     | null      | null    | unlabelled |         | 0     |
 | 1032245 | null     | null      | null    | unlabelled |         | 0     |
 | 1032246 | null     | null      | null    | unlabelled |         | 0     |
 | 1032247 | null     | null      | null    | unlabelled |         | 0     |
 | 1032248 | null     | null      | null    | unlabelled |         | 0     |
 |_________|__________|___________|_________|____________|_________|_______|
r4#
r4#