here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 39641  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 75323  | null     | null      | null    | unlabelled |         | 0     |
 | 75324  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 75325  | v1:6     | ethernet1 | 1234::2 | 3596       |         | 0     |
 | 75326  | v1:6     | ethernet1 | 1234::2 | 3597       |         | 0     |
 | 75327  | v1:6     | ethernet1 | 1234::2 | 3598       |         | 0     |
 | 75328  | null     | null      | null    | unlabelled |         | 0     |
 | 75329  | null     | null      | null    | unlabelled |         | 0     |
 | 75330  | null     | null      | null    | unlabelled |         | 0     |
 | 75331  | null     | null      | null    | unlabelled |         | 0     |
 | 75332  | null     | null      | null    | unlabelled |         | 0     |
 | 79641  | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 | 128849 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 657631 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 689086 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 788262 | v1:6     | ethernet1 | 1234::2 | 3          |         | 0     |
 | 921077 | null     | null      | null    | unlabelled |         | 0     |
 | 921078 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 921079 | v1:4     | ethernet1 | 1.1.1.2 | 92920      |         | 0     |
 | 921080 | v1:4     | ethernet1 | 1.1.1.2 | 92921      |         | 0     |
 | 921081 | v1:4     | ethernet1 | 1.1.1.2 | 92922      |         | 0     |
 | 921082 | null     | null      | null    | unlabelled |         | 0     |
 | 921083 | null     | null      | null    | unlabelled |         | 0     |
 | 921084 | null     | null      | null    | unlabelled |         | 0     |
 | 921085 | null     | null      | null    | unlabelled |         | 0     |
 | 921086 | null     | null      | null    | unlabelled |         | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r1#
r1#
here is the lib:
r2#
r2#
r2#show mpls forw
r2#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 3594   | null     | null      | null    | unlabelled |         | 0     |
 | 3595   | v1:6     | ethernet1 | 1234::1 | 75324      |         | 1280  |
 | 3596   | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 3597   | v1:6     | ethernet2 | 1235::3 | 441691     |         | 640   |
 | 3598   | v1:6     | ethernet2 | 1235::3 | 441692     |         | 640   |
 | 3599   | null     | null      | null    | unlabelled |         | 0     |
 | 3600   | null     | null      | null    | unlabelled |         | 0     |
 | 3601   | null     | null      | null    | unlabelled |         | 0     |
 | 3602   | null     | null      | null    | unlabelled |         | 0     |
 | 3603   | null     | null      | null    | unlabelled |         | 0     |
 | 53979  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 60729  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 92918  | null     | null      | null    | unlabelled |         | 0     |
 | 92919  | v1:4     | ethernet1 | 1.1.1.1 | 921078     |         | 1280  |
 | 92920  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 92921  | v1:4     | ethernet2 | 1.1.2.3 | 985617     |         | 640   |
 | 92922  | v1:4     | ethernet2 | 1.1.2.3 | 985618     |         | 640   |
 | 92923  | null     | null      | null    | unlabelled |         | 0     |
 | 92924  | null     | null      | null    | unlabelled |         | 0     |
 | 92925  | null     | null      | null    | unlabelled |         | 0     |
 | 92926  | null     | null      | null    | unlabelled |         | 0     |
 | 92927  | null     | null      | null    | unlabelled |         | 0     |
 | 114291 | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 372802 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 562456 | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 | 668924 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 755769 | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 | 983204 | v1:6     | ethernet1 | 1234::1 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 49548  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 163822 | v1:4     | ethernet2 | 1.1.3.4 | 3          |         | 0     |
 | 390508 | v1:4     | ethernet1 | 1.1.2.2 | 3          |         | 0     |
 | 441688 | null     | null      | null    | unlabelled |         | 0     |
 | 441689 | v1:6     | ethernet1 | 1235::2 | 3595       |         | 640   |
 | 441690 | v1:6     | ethernet1 | 1235::2 | 3596       |         | 640   |
 | 441691 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 441692 | v1:6     | ethernet2 | 1236::4 | 15827      |         | 1280  |
 | 441693 | null     | null      | null    | unlabelled |         | 0     |
 | 441694 | null     | null      | null    | unlabelled |         | 0     |
 | 441695 | null     | null      | null    | unlabelled |         | 0     |
 | 441696 | null     | null      | null    | unlabelled |         | 0     |
 | 441697 | null     | null      | null    | unlabelled |         | 0     |
 | 481704 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 495103 | v1:6     | ethernet2 | 1236::4 | 3          |         | 0     |
 | 600552 | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 705032 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 869387 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 985614 | null     | null      | null    | unlabelled |         | 0     |
 | 985615 | v1:4     | ethernet1 | 1.1.2.2 | 92919      |         | 640   |
 | 985616 | v1:4     | ethernet1 | 1.1.2.2 | 92920      |         | 640   |
 | 985617 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 985618 | v1:4     | ethernet2 | 1.1.3.4 | 942537     |         | 1280  |
 | 985619 | null     | null      | null    | unlabelled |         | 0     |
 | 985620 | null     | null      | null    | unlabelled |         | 0     |
 | 985621 | null     | null      | null    | unlabelled |         | 0     |
 | 985622 | null     | null      | null    | unlabelled |         | 0     |
 | 985623 | null     | null      | null    | unlabelled |         | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r3#
r3#
here is the lib:
r4#
r4#
r4#show mpls forw
r4#show mpls forw
 |~~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label   | vrf      | iface     | hop     | label      | targets | bytes |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 15823   | null     | null      | null    | unlabelled |         | 0     |
 | 15824   | v1:6     | ethernet1 | 1236::3 | 441689     |         | 0     |
 | 15825   | v1:6     | ethernet1 | 1236::3 | 441690     |         | 0     |
 | 15826   | v1:6     | ethernet1 | 1236::3 | 441691     |         | 0     |
 | 15827   | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 15828   | null     | null      | null    | unlabelled |         | 0     |
 | 15829   | null     | null      | null    | unlabelled |         | 0     |
 | 15830   | null     | null      | null    | unlabelled |         | 0     |
 | 15831   | null     | null      | null    | unlabelled |         | 0     |
 | 15832   | null     | null      | null    | unlabelled |         | 0     |
 | 191166  | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 | 236797  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 432481  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 699623  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 849578  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 942533  | null     | null      | null    | unlabelled |         | 0     |
 | 942534  | v1:4     | ethernet1 | 1.1.3.3 | 985615     |         | 0     |
 | 942535  | v1:4     | ethernet1 | 1.1.3.3 | 985616     |         | 0     |
 | 942536  | v1:4     | ethernet1 | 1.1.3.3 | 985617     |         | 0     |
 | 942537  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 942538  | null     | null      | null    | unlabelled |         | 0     |
 | 942539  | null     | null      | null    | unlabelled |         | 0     |
 | 942540  | null     | null      | null    | unlabelled |         | 0     |
 | 942541  | null     | null      | null    | unlabelled |         | 0     |
 | 942542  | null     | null      | null    | unlabelled |         | 0     |
 | 1031781 | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 |_________|__________|___________|_________|____________|_________|_______|
r4#
r4#