here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 10264  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 39068  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 105864 | null     | null      | null    | unlabelled |         | 0     |
 | 105865 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 105866 | v1:6     | ethernet1 | 1234::2 | 962749     |         | 0     |
 | 105867 | v1:6     | ethernet1 | 1234::2 | 962750     |         | 0     |
 | 105868 | v1:6     | ethernet1 | 1234::2 | 962751     |         | 0     |
 | 105869 | null     | null      | null    | unlabelled |         | 0     |
 | 105870 | null     | null      | null    | unlabelled |         | 0     |
 | 105871 | null     | null      | null    | unlabelled |         | 0     |
 | 105872 | null     | null      | null    | unlabelled |         | 0     |
 | 105873 | null     | null      | null    | unlabelled |         | 0     |
 | 417783 | v1:6     | ethernet1 | 1234::2 | 3          |         | 0     |
 | 725516 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 789865 | null     | null      | null    | unlabelled |         | 0     |
 | 789866 | v1:4     | null      | null    | unlabelled | local   | 2112  |
 | 789867 | v1:4     | ethernet1 | 1.1.1.2 | 663814     |         | 0     |
 | 789868 | v1:4     | ethernet1 | 1.1.1.2 | 663815     |         | 0     |
 | 789869 | v1:4     | ethernet1 | 1.1.1.2 | 663816     |         | 0     |
 | 789870 | null     | null      | null    | unlabelled |         | 0     |
 | 789871 | null     | null      | null    | unlabelled |         | 0     |
 | 789872 | null     | null      | null    | unlabelled |         | 0     |
 | 789873 | null     | null      | null    | unlabelled |         | 0     |
 | 789874 | null     | null      | null    | unlabelled |         | 0     |
 | 882493 | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 | 937160 | tester: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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 98328  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 383361 | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 531984 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 561778 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 610413 | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 | 641068 | v1:6     | ethernet1 | 1234::1 | 3          |         | 0     |
 | 663812 | null     | null      | null    | unlabelled |         | 0     |
 | 663813 | v1:4     | ethernet1 | 1.1.1.1 | 789866     |         | 1280  |
 | 663814 | v1:4     | null      | null    | unlabelled | local   | 2112  |
 | 663815 | v1:4     | ethernet2 | 1.1.2.3 | 511474     |         | 640   |
 | 663816 | v1:4     | ethernet2 | 1.1.2.3 | 511475     |         | 640   |
 | 663817 | null     | null      | null    | unlabelled |         | 0     |
 | 663818 | null     | null      | null    | unlabelled |         | 0     |
 | 663819 | null     | null      | null    | unlabelled |         | 0     |
 | 663820 | null     | null      | null    | unlabelled |         | 0     |
 | 663821 | null     | null      | null    | unlabelled |         | 0     |
 | 792231 | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 | 868360 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 962747 | null     | null      | null    | unlabelled |         | 0     |
 | 962748 | v1:6     | ethernet1 | 1234::1 | 105865     |         | 1280  |
 | 962749 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 962750 | v1:6     | ethernet2 | 1235::3 | 734967     |         | 640   |
 | 962751 | v1:6     | ethernet2 | 1235::3 | 734968     |         | 640   |
 | 962752 | null     | null      | null    | unlabelled |         | 0     |
 | 962753 | null     | null      | null    | unlabelled |         | 0     |
 | 962754 | null     | null      | null    | unlabelled |         | 0     |
 | 962755 | null     | null      | null    | unlabelled |         | 0     |
 | 962756 | null     | null      | null    | unlabelled |         | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r2#
r2#
here is the lib:
r3#
r3#
r3#show mpls forw
r3#show mpls forw
 |~~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label   | vrf      | iface     | hop     | label      | targets | bytes |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 163672  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 288991  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 446036  | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 511471  | null     | null      | null    | unlabelled |         | 0     |
 | 511472  | v1:4     | ethernet1 | 1.1.2.2 | 663813     |         | 640   |
 | 511473  | v1:4     | ethernet1 | 1.1.2.2 | 663814     |         | 640   |
 | 511474  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 511475  | v1:4     | ethernet2 | 1.1.3.4 | 884060     |         | 1280  |
 | 511476  | null     | null      | null    | unlabelled |         | 0     |
 | 511477  | null     | null      | null    | unlabelled |         | 0     |
 | 511478  | null     | null      | null    | unlabelled |         | 0     |
 | 511479  | null     | null      | null    | unlabelled |         | 0     |
 | 511480  | null     | null      | null    | unlabelled |         | 0     |
 | 544915  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 677697  | v1:6     | ethernet2 | 1236::4 | 3          |         | 0     |
 | 708980  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 734964  | null     | null      | null    | unlabelled |         | 0     |
 | 734965  | v1:6     | ethernet1 | 1235::2 | 962748     |         | 640   |
 | 734966  | v1:6     | ethernet1 | 1235::2 | 962749     |         | 640   |
 | 734967  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 734968  | v1:6     | ethernet2 | 1236::4 | 975185     |         | 1280  |
 | 734969  | null     | null      | null    | unlabelled |         | 0     |
 | 734970  | null     | null      | null    | unlabelled |         | 0     |
 | 734971  | null     | null      | null    | unlabelled |         | 0     |
 | 734972  | null     | null      | null    | unlabelled |         | 0     |
 | 734973  | null     | null      | null    | unlabelled |         | 0     |
 | 993413  | v1:4     | ethernet2 | 1.1.3.4 | 3          |         | 0     |
 | 1018173 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 59577  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 89797  | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 | 237394 | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 | 323297 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 348931 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 501544 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 884056 | null     | null      | null    | unlabelled |         | 0     |
 | 884057 | v1:4     | ethernet1 | 1.1.3.3 | 511472     |         | 0     |
 | 884058 | v1:4     | ethernet1 | 1.1.3.3 | 511473     |         | 0     |
 | 884059 | v1:4     | ethernet1 | 1.1.3.3 | 511474     |         | 0     |
 | 884060 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 884061 | null     | null      | null    | unlabelled |         | 0     |
 | 884062 | null     | null      | null    | unlabelled |         | 0     |
 | 884063 | null     | null      | null    | unlabelled |         | 0     |
 | 884064 | null     | null      | null    | unlabelled |         | 0     |
 | 884065 | null     | null      | null    | unlabelled |         | 0     |
 | 975181 | null     | null      | null    | unlabelled |         | 0     |
 | 975182 | v1:6     | ethernet1 | 1236::3 | 734965     |         | 0     |
 | 975183 | v1:6     | ethernet1 | 1236::3 | 734966     |         | 0     |
 | 975184 | v1:6     | ethernet1 | 1236::3 | 734967     |         | 0     |
 | 975185 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 975186 | null     | null      | null    | unlabelled |         | 0     |
 | 975187 | null     | null      | null    | unlabelled |         | 0     |
 | 975188 | null     | null      | null    | unlabelled |         | 0     |
 | 975189 | null     | null      | null    | unlabelled |         | 0     |
 | 975190 | null     | null      | null    | unlabelled |         | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r4#
r4#