here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label   | vrf      | iface     | hop     | label      | targets | bytes |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 18552   | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 61749   | null     | null      | null    | unlabelled |         | 0     |
 | 61750   | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 61751   | v1:4     | ethernet1 | 1.1.1.2 | 470165     |         | 0     |
 | 61752   | v1:4     | ethernet1 | 1.1.1.2 | 470166     |         | 0     |
 | 61753   | v1:4     | ethernet1 | 1.1.1.2 | 470167     |         | 0     |
 | 61754   | null     | null      | null    | unlabelled |         | 0     |
 | 61755   | null     | null      | null    | unlabelled |         | 0     |
 | 61756   | null     | null      | null    | unlabelled |         | 0     |
 | 61757   | null     | null      | null    | unlabelled |         | 0     |
 | 61758   | null     | null      | null    | unlabelled |         | 0     |
 | 62761   | v1:6     | ethernet1 | 1234::2 | 3          |         | 0     |
 | 261972  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 272109  | null     | null      | null    | unlabelled |         | 0     |
 | 272110  | v1:6     | null      | null    | unlabelled | local   | 2176  |
 | 272111  | v1:6     | ethernet1 | 1234::2 | 273277     |         | 0     |
 | 272112  | v1:6     | ethernet1 | 1234::2 | 273278     |         | 0     |
 | 272113  | v1:6     | ethernet1 | 1234::2 | 273279     |         | 0     |
 | 272114  | null     | null      | null    | unlabelled |         | 0     |
 | 272115  | null     | null      | null    | unlabelled |         | 0     |
 | 272116  | null     | null      | null    | unlabelled |         | 0     |
 | 272117  | null     | null      | null    | unlabelled |         | 0     |
 | 272118  | null     | null      | null    | unlabelled |         | 0     |
 | 821203  | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 | 891839  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 1009464 | v1:6     | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 139748 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 153665 | v1:6     | ethernet1 | 1234::1 | 3          |         | 0     |
 | 207562 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 273275 | null     | null      | null    | unlabelled |         | 0     |
 | 273276 | v1:6     | ethernet1 | 1234::1 | 272110     |         | 1536  |
 | 273277 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 273278 | v1:6     | ethernet2 | 1235::3 | 30428      |         | 896   |
 | 273279 | v1:6     | ethernet2 | 1235::3 | 30429      |         | 640   |
 | 273280 | null     | null      | null    | unlabelled |         | 0     |
 | 273281 | null     | null      | null    | unlabelled |         | 0     |
 | 273282 | null     | null      | null    | unlabelled |         | 0     |
 | 273283 | null     | null      | null    | unlabelled |         | 0     |
 | 273284 | null     | null      | null    | unlabelled |         | 0     |
 | 322178 | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 | 470163 | null     | null      | null    | unlabelled |         | 0     |
 | 470164 | v1:4     | ethernet1 | 1.1.1.1 | 61750      |         | 1280  |
 | 470165 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 470166 | v1:4     | ethernet2 | 1.1.2.3 | 5585       |         | 640   |
 | 470167 | v1:4     | ethernet2 | 1.1.2.3 | 5586       |         | 640   |
 | 470168 | null     | null      | null    | unlabelled |         | 0     |
 | 470169 | null     | null      | null    | unlabelled |         | 0     |
 | 470170 | null     | null      | null    | unlabelled |         | 0     |
 | 470171 | null     | null      | null    | unlabelled |         | 0     |
 | 470172 | null     | null      | null    | unlabelled |         | 0     |
 | 530405 | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 | 704923 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 705397 | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 916173 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 5582   | null     | null      | null    | unlabelled |         | 0     |
 | 5583   | v1:4     | ethernet1 | 1.1.2.2 | 470164     |         | 640   |
 | 5584   | v1:4     | ethernet1 | 1.1.2.2 | 470165     |         | 640   |
 | 5585   | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 5586   | v1:4     | ethernet2 | 1.1.3.4 | 210770     |         | 1280  |
 | 5587   | null     | null      | null    | unlabelled |         | 0     |
 | 5588   | null     | null      | null    | unlabelled |         | 0     |
 | 5589   | null     | null      | null    | unlabelled |         | 0     |
 | 5590   | null     | null      | null    | unlabelled |         | 0     |
 | 5591   | null     | null      | null    | unlabelled |         | 0     |
 | 21027  | v1:6     | ethernet2 | 1236::4 | 3          |         | 0     |
 | 30425  | null     | null      | null    | unlabelled |         | 0     |
 | 30426  | v1:6     | ethernet1 | 1235::2 | 273276     |         | 640   |
 | 30427  | v1:6     | ethernet1 | 1235::2 | 273277     |         | 640   |
 | 30428  | v1:6     | null      | null    | unlabelled | local   | 2176  |
 | 30429  | v1:6     | ethernet2 | 1236::4 | 357860     |         | 1280  |
 | 30430  | null     | null      | null    | unlabelled |         | 0     |
 | 30431  | null     | null      | null    | unlabelled |         | 0     |
 | 30432  | null     | null      | null    | unlabelled |         | 0     |
 | 30433  | null     | null      | null    | unlabelled |         | 0     |
 | 30434  | null     | null      | null    | unlabelled |         | 0     |
 | 284276 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 510237 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 759746 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 777571 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 805302 | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 834845 | v1:4     | ethernet1 | 1.1.2.2 | 3          |         | 0     |
 | 968378 | v1:4     | ethernet2 | 1.1.3.4 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 43206  | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 | 210766 | null     | null      | null    | unlabelled |         | 0     |
 | 210767 | v1:4     | ethernet1 | 1.1.3.3 | 5583       |         | 0     |
 | 210768 | v1:4     | ethernet1 | 1.1.3.3 | 5584       |         | 0     |
 | 210769 | v1:4     | ethernet1 | 1.1.3.3 | 5585       |         | 0     |
 | 210770 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 210771 | null     | null      | null    | unlabelled |         | 0     |
 | 210772 | null     | null      | null    | unlabelled |         | 0     |
 | 210773 | null     | null      | null    | unlabelled |         | 0     |
 | 210774 | null     | null      | null    | unlabelled |         | 0     |
 | 210775 | null     | null      | null    | unlabelled |         | 0     |
 | 316260 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 330418 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 354779 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 357856 | null     | null      | null    | unlabelled |         | 0     |
 | 357857 | v1:6     | ethernet1 | 1236::3 | 30426      |         | 0     |
 | 357858 | v1:6     | ethernet1 | 1236::3 | 30427      |         | 0     |
 | 357859 | v1:6     | ethernet1 | 1236::3 | 30428      |         | 0     |
 | 357860 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 357861 | null     | null      | null    | unlabelled |         | 0     |
 | 357862 | null     | null      | null    | unlabelled |         | 0     |
 | 357863 | null     | null      | null    | unlabelled |         | 0     |
 | 357864 | null     | null      | null    | unlabelled |         | 0     |
 | 357865 | null     | null      | null    | unlabelled |         | 0     |
 | 756569 | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 | 759052 | tester:4 | null      | null    | unlabelled | local   | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r4#
r4#