here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label   | vrf      | iface     | hop     | label      | targets | bytes |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 28472   | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 262144  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 282719  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 610769  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 651615  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 663417  | null     | null      | null    | unlabelled |         | 0     |
 | 663418  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 663419  | v1:4     | ethernet1 | 1.1.1.2 | 103091     |         | 0     |
 | 663420  | v1:4     | ethernet1 | 1.1.1.2 | 103092     |         | 0     |
 | 663421  | v1:4     | ethernet1 | 1.1.1.2 | 103093     |         | 0     |
 | 663422  | null     | null      | null    | unlabelled |         | 0     |
 | 663423  | null     | null      | null    | unlabelled |         | 0     |
 | 663424  | null     | null      | null    | unlabelled |         | 0     |
 | 663425  | null     | null      | null    | unlabelled |         | 0     |
 | 663426  | null     | null      | null    | unlabelled |         | 0     |
 | 669386  | null     | null      | null    | unlabelled |         | 0     |
 | 669387  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 669388  | v1:6     | ethernet1 | 1234::2 | 316960     |         | 0     |
 | 669389  | v1:6     | ethernet1 | 1234::2 | 316961     |         | 0     |
 | 669390  | v1:6     | ethernet1 | 1234::2 | 316962     |         | 0     |
 | 669391  | null     | null      | null    | unlabelled |         | 0     |
 | 669392  | null     | null      | null    | unlabelled |         | 0     |
 | 669393  | null     | null      | null    | unlabelled |         | 0     |
 | 669394  | null     | null      | null    | unlabelled |         | 0     |
 | 669395  | null     | null      | null    | unlabelled |         | 0     |
 | 789705  | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 | 813013  | v1:6     | ethernet1 | 1234::2 | 3          |         | 0     |
 | 836901  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 913131  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 1028561 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 29260  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 103089 | null     | null      | null    | unlabelled |         | 0     |
 | 103090 | v1:4     | ethernet1 | 1.1.1.1 | 663418     |         | 1280  |
 | 103091 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 103092 | v1:4     | ethernet2 | 1.1.2.3 | 917570     |         | 640   |
 | 103093 | v1:4     | ethernet2 | 1.1.2.3 | 917571     |         | 640   |
 | 103094 | null     | null      | null    | unlabelled |         | 0     |
 | 103095 | null     | null      | null    | unlabelled |         | 0     |
 | 103096 | null     | null      | null    | unlabelled |         | 0     |
 | 103097 | null     | null      | null    | unlabelled |         | 0     |
 | 103098 | null     | null      | null    | unlabelled |         | 0     |
 | 174566 | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 200937 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 274116 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 316958 | null     | null      | null    | unlabelled |         | 0     |
 | 316959 | v1:6     | ethernet1 | 1234::1 | 669387     |         | 1280  |
 | 316960 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 316961 | v1:6     | ethernet2 | 1235::3 | 663152     |         | 640   |
 | 316962 | v1:6     | ethernet2 | 1235::3 | 663153     |         | 640   |
 | 316963 | null     | null      | null    | unlabelled |         | 0     |
 | 316964 | null     | null      | null    | unlabelled |         | 0     |
 | 316965 | null     | null      | null    | unlabelled |         | 0     |
 | 316966 | null     | null      | null    | unlabelled |         | 0     |
 | 316967 | null     | null      | null    | unlabelled |         | 0     |
 | 450994 | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 | 531464 | v1:6     | ethernet1 | 1234::1 | 3          |         | 0     |
 | 592413 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 755354 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 795685 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 907826 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 933027 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 987109 | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r2#
r2#
here is the lib:
r3#
r3#
r3#show mpls forw
r3#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 238728 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 332415 | v1:4     | ethernet1 | 1.1.2.2 | 3          |         | 0     |
 | 430898 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 547774 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 568106 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 630453 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 663149 | null     | null      | null    | unlabelled |         | 0     |
 | 663150 | v1:6     | ethernet1 | 1235::2 | 316959     |         | 640   |
 | 663151 | v1:6     | ethernet1 | 1235::2 | 316960     |         | 640   |
 | 663152 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 663153 | v1:6     | ethernet2 | 1236::4 | 458216     |         | 1280  |
 | 663154 | null     | null      | null    | unlabelled |         | 0     |
 | 663155 | null     | null      | null    | unlabelled |         | 0     |
 | 663156 | null     | null      | null    | unlabelled |         | 0     |
 | 663157 | null     | null      | null    | unlabelled |         | 0     |
 | 663158 | null     | null      | null    | unlabelled |         | 0     |
 | 785003 | v1:4     | ethernet2 | 1.1.3.4 | 3          |         | 0     |
 | 847047 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 917567 | null     | null      | null    | unlabelled |         | 0     |
 | 917568 | v1:4     | ethernet1 | 1.1.2.2 | 103090     |         | 640   |
 | 917569 | v1:4     | ethernet1 | 1.1.2.2 | 103091     |         | 640   |
 | 917570 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 917571 | v1:4     | ethernet2 | 1.1.3.4 | 855675     |         | 1280  |
 | 917572 | null     | null      | null    | unlabelled |         | 0     |
 | 917573 | null     | null      | null    | unlabelled |         | 0     |
 | 917574 | null     | null      | null    | unlabelled |         | 0     |
 | 917575 | null     | null      | null    | unlabelled |         | 0     |
 | 917576 | null     | null      | null    | unlabelled |         | 0     |
 | 972645 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 983244 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 995186 | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 996954 | v1:6     | ethernet2 | 1236::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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 83742  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 95112  | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 | 212180 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 427932 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 458212 | null     | null      | null    | unlabelled |         | 0     |
 | 458213 | v1:6     | ethernet1 | 1236::3 | 663150     |         | 0     |
 | 458214 | v1:6     | ethernet1 | 1236::3 | 663151     |         | 0     |
 | 458215 | v1:6     | ethernet1 | 1236::3 | 663152     |         | 0     |
 | 458216 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 458217 | null     | null      | null    | unlabelled |         | 0     |
 | 458218 | null     | null      | null    | unlabelled |         | 0     |
 | 458219 | null     | null      | null    | unlabelled |         | 0     |
 | 458220 | null     | null      | null    | unlabelled |         | 0     |
 | 458221 | null     | null      | null    | unlabelled |         | 0     |
 | 478585 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 553447 | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 | 569146 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 590402 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 611097 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 637172 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 855671 | null     | null      | null    | unlabelled |         | 0     |
 | 855672 | v1:4     | ethernet1 | 1.1.3.3 | 917568     |         | 0     |
 | 855673 | v1:4     | ethernet1 | 1.1.3.3 | 917569     |         | 0     |
 | 855674 | v1:4     | ethernet1 | 1.1.3.3 | 917570     |         | 0     |
 | 855675 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 855676 | null     | null      | null    | unlabelled |         | 0     |
 | 855677 | null     | null      | null    | unlabelled |         | 0     |
 | 855678 | null     | null      | null    | unlabelled |         | 0     |
 | 855679 | null     | null      | null    | unlabelled |         | 0     |
 | 855680 | null     | null      | null    | unlabelled |         | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r4#
r4#