here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 121298 | null     | null      | null    | unlabelled |         | 0     |
 | 121299 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 121300 | v1:6     | ethernet1 | 1234::2 | 165035     |         | 0     |
 | 121301 | v1:6     | ethernet1 | 1234::2 | 165036     |         | 0     |
 | 121302 | v1:6     | ethernet1 | 1234::2 | 165037     |         | 0     |
 | 121303 | null     | null      | null    | unlabelled |         | 0     |
 | 121304 | null     | null      | null    | unlabelled |         | 0     |
 | 121305 | null     | null      | null    | unlabelled |         | 0     |
 | 121306 | null     | null      | null    | unlabelled |         | 0     |
 | 121307 | null     | null      | null    | unlabelled |         | 0     |
 | 171751 | null     | null      | null    | unlabelled |         | 0     |
 | 171752 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 171753 | v1:4     | ethernet1 | 1.1.1.2 | 274565     |         | 0     |
 | 171754 | v1:4     | ethernet1 | 1.1.1.2 | 274566     |         | 0     |
 | 171755 | v1:4     | ethernet1 | 1.1.1.2 | 274567     |         | 0     |
 | 171756 | null     | null      | null    | unlabelled |         | 0     |
 | 171757 | null     | null      | null    | unlabelled |         | 0     |
 | 171758 | null     | null      | null    | unlabelled |         | 0     |
 | 171759 | null     | null      | null    | unlabelled |         | 0     |
 | 171760 | null     | null      | null    | unlabelled |         | 0     |
 | 296192 | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 | 305967 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 483729 | v1:6     | ethernet1 | 1234::2 | 3          |         | 0     |
 | 619112 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 742542 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 844496 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 91045  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 133600 | v1:6     | ethernet1 | 1234::1 | 3          |         | 0     |
 | 165033 | null     | null      | null    | unlabelled |         | 0     |
 | 165034 | v1:6     | ethernet1 | 1234::1 | 121299     |         | 1280  |
 | 165035 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 165036 | v1:6     | ethernet2 | 1235::3 | 173813     |         | 640   |
 | 165037 | v1:6     | ethernet2 | 1235::3 | 173814     |         | 640   |
 | 165038 | null     | null      | null    | unlabelled |         | 0     |
 | 165039 | null     | null      | null    | unlabelled |         | 0     |
 | 165040 | null     | null      | null    | unlabelled |         | 0     |
 | 165041 | null     | null      | null    | unlabelled |         | 0     |
 | 165042 | null     | null      | null    | unlabelled |         | 0     |
 | 251817 | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 | 274563 | null     | null      | null    | unlabelled |         | 0     |
 | 274564 | v1:4     | ethernet1 | 1.1.1.1 | 171752     |         | 1280  |
 | 274565 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 274566 | v1:4     | ethernet2 | 1.1.2.3 | 441102     |         | 640   |
 | 274567 | v1:4     | ethernet2 | 1.1.2.3 | 441103     |         | 640   |
 | 274568 | null     | null      | null    | unlabelled |         | 0     |
 | 274569 | null     | null      | null    | unlabelled |         | 0     |
 | 274570 | null     | null      | null    | unlabelled |         | 0     |
 | 274571 | null     | null      | null    | unlabelled |         | 0     |
 | 274572 | null     | null      | null    | unlabelled |         | 0     |
 | 312151 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 377676 | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 876166 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 919746 | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 | 971786 | tester:4 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 48921  | v1:6     | ethernet2 | 1236::4 | 3          |         | 0     |
 | 139852 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 173810 | null     | null      | null    | unlabelled |         | 0     |
 | 173811 | v1:6     | ethernet1 | 1235::2 | 165034     |         | 640   |
 | 173812 | v1:6     | ethernet1 | 1235::2 | 165035     |         | 640   |
 | 173813 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 173814 | v1:6     | ethernet2 | 1236::4 | 856593     |         | 1280  |
 | 173815 | null     | null      | null    | unlabelled |         | 0     |
 | 173816 | null     | null      | null    | unlabelled |         | 0     |
 | 173817 | null     | null      | null    | unlabelled |         | 0     |
 | 173818 | null     | null      | null    | unlabelled |         | 0     |
 | 173819 | null     | null      | null    | unlabelled |         | 0     |
 | 192616 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 441099 | null     | null      | null    | unlabelled |         | 0     |
 | 441100 | v1:4     | ethernet1 | 1.1.2.2 | 274564     |         | 640   |
 | 441101 | v1:4     | ethernet1 | 1.1.2.2 | 274565     |         | 640   |
 | 441102 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 441103 | v1:4     | ethernet2 | 1.1.3.4 | 294825     |         | 1280  |
 | 441104 | null     | null      | null    | unlabelled |         | 0     |
 | 441105 | null     | null      | null    | unlabelled |         | 0     |
 | 441106 | null     | null      | null    | unlabelled |         | 0     |
 | 441107 | null     | null      | null    | unlabelled |         | 0     |
 | 441108 | null     | null      | null    | unlabelled |         | 0     |
 | 486093 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 513541 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 686196 | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 730894 | v1:4     | ethernet1 | 1.1.2.2 | 3          |         | 0     |
 | 943205 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 223558 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 294821 | null     | null      | null    | unlabelled |         | 0     |
 | 294822 | v1:4     | ethernet1 | 1.1.3.3 | 441100     |         | 0     |
 | 294823 | v1:4     | ethernet1 | 1.1.3.3 | 441101     |         | 0     |
 | 294824 | v1:4     | ethernet1 | 1.1.3.3 | 441102     |         | 0     |
 | 294825 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 294826 | null     | null      | null    | unlabelled |         | 0     |
 | 294827 | null     | null      | null    | unlabelled |         | 0     |
 | 294828 | null     | null      | null    | unlabelled |         | 0     |
 | 294829 | null     | null      | null    | unlabelled |         | 0     |
 | 294830 | null     | null      | null    | unlabelled |         | 0     |
 | 506522 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 553351 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 573985 | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 | 733522 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 856589 | null     | null      | null    | unlabelled |         | 0     |
 | 856590 | v1:6     | ethernet1 | 1236::3 | 173811     |         | 0     |
 | 856591 | v1:6     | ethernet1 | 1236::3 | 173812     |         | 0     |
 | 856592 | v1:6     | ethernet1 | 1236::3 | 173813     |         | 0     |
 | 856593 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 856594 | null     | null      | null    | unlabelled |         | 0     |
 | 856595 | null     | null      | null    | unlabelled |         | 0     |
 | 856596 | null     | null      | null    | unlabelled |         | 0     |
 | 856597 | null     | null      | null    | unlabelled |         | 0     |
 | 856598 | null     | null      | null    | unlabelled |         | 0     |
 | 894968 | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r4#
r4#