here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 189960 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 309143 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 391623 | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 | 397618 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 521347 | null     | null      | null    | unlabelled |         | 0     |
 | 521348 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 521349 | v1:6     | ethernet1 | 1234::2 | 720915     |         | 0     |
 | 521350 | v1:6     | ethernet1 | 1234::2 | 720916     |         | 0     |
 | 521351 | v1:6     | ethernet1 | 1234::2 | 720917     |         | 0     |
 | 521352 | null     | null      | null    | unlabelled |         | 0     |
 | 521353 | null     | null      | null    | unlabelled |         | 0     |
 | 521354 | null     | null      | null    | unlabelled |         | 0     |
 | 521355 | null     | null      | null    | unlabelled |         | 0     |
 | 521356 | null     | null      | null    | unlabelled |         | 0     |
 | 726129 | v1:6     | ethernet1 | 1234::2 | 3          |         | 0     |
 | 860218 | null     | null      | null    | unlabelled |         | 0     |
 | 860219 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 860220 | v1:4     | ethernet1 | 1.1.1.2 | 580445     |         | 0     |
 | 860221 | v1:4     | ethernet1 | 1.1.1.2 | 580446     |         | 0     |
 | 860222 | v1:4     | ethernet1 | 1.1.1.2 | 580447     |         | 0     |
 | 860223 | null     | null      | null    | unlabelled |         | 0     |
 | 860224 | null     | null      | null    | unlabelled |         | 0     |
 | 860225 | null     | null      | null    | unlabelled |         | 0     |
 | 860226 | null     | null      | null    | unlabelled |         | 0     |
 | 860227 | null     | null      | null    | unlabelled |         | 0     |
 | 996287 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 98351  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 109484 | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 294293 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 319783 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 382445 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 540143 | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 | 580443 | null     | null      | null    | unlabelled |         | 0     |
 | 580444 | v1:4     | ethernet1 | 1.1.1.1 | 860219     |         | 1280  |
 | 580445 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 580446 | v1:4     | ethernet2 | 1.1.2.3 | 918198     |         | 640   |
 | 580447 | v1:4     | ethernet2 | 1.1.2.3 | 918199     |         | 640   |
 | 580448 | null     | null      | null    | unlabelled |         | 0     |
 | 580449 | null     | null      | null    | unlabelled |         | 0     |
 | 580450 | null     | null      | null    | unlabelled |         | 0     |
 | 580451 | null     | null      | null    | unlabelled |         | 0     |
 | 580452 | null     | null      | null    | unlabelled |         | 0     |
 | 720913 | null     | null      | null    | unlabelled |         | 0     |
 | 720914 | v1:6     | ethernet1 | 1234::1 | 521348     |         | 1280  |
 | 720915 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 720916 | v1:6     | ethernet2 | 1235::3 | 203237     |         | 640   |
 | 720917 | v1:6     | ethernet2 | 1235::3 | 203238     |         | 640   |
 | 720918 | null     | null      | null    | unlabelled |         | 0     |
 | 720919 | null     | null      | null    | unlabelled |         | 0     |
 | 720920 | null     | null      | null    | unlabelled |         | 0     |
 | 720921 | null     | null      | null    | unlabelled |         | 0     |
 | 720922 | null     | null      | null    | unlabelled |         | 0     |
 | 924909 | v1:6     | ethernet1 | 1234::1 | 3          |         | 0     |
 | 959293 | v1:4     | ethernet1 | 1.1.1.1 | 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 |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 125137  | v1:4     | ethernet2 | 1.1.3.4 | 3          |         | 0     |
 | 203234  | null     | null      | null    | unlabelled |         | 0     |
 | 203235  | v1:6     | ethernet1 | 1235::2 | 720914     |         | 640   |
 | 203236  | v1:6     | ethernet1 | 1235::2 | 720915     |         | 640   |
 | 203237  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 203238  | v1:6     | ethernet2 | 1236::4 | 194171     |         | 1280  |
 | 203239  | null     | null      | null    | unlabelled |         | 0     |
 | 203240  | null     | null      | null    | unlabelled |         | 0     |
 | 203241  | null     | null      | null    | unlabelled |         | 0     |
 | 203242  | null     | null      | null    | unlabelled |         | 0     |
 | 203243  | null     | null      | null    | unlabelled |         | 0     |
 | 283698  | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 631871  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 658965  | v1:6     | ethernet2 | 1236::4 | 3          |         | 0     |
 | 687823  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 871413  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 918195  | null     | null      | null    | unlabelled |         | 0     |
 | 918196  | v1:4     | ethernet1 | 1.1.2.2 | 580444     |         | 640   |
 | 918197  | v1:4     | ethernet1 | 1.1.2.2 | 580445     |         | 640   |
 | 918198  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 918199  | v1:4     | ethernet2 | 1.1.3.4 | 681492     |         | 1280  |
 | 918200  | null     | null      | null    | unlabelled |         | 0     |
 | 918201  | null     | null      | null    | unlabelled |         | 0     |
 | 918202  | null     | null      | null    | unlabelled |         | 0     |
 | 918203  | null     | null      | null    | unlabelled |         | 0     |
 | 918204  | null     | null      | null    | unlabelled |         | 0     |
 | 1014864 | v1:4     | ethernet1 | 1.1.2.2 | 3          |         | 0     |
 | 1037622 | tester:6 | null      | null    | unlabelled | local   | 0     |
 |_________|__________|___________|_________|____________|_________|_______|
r3#
r3#
here is the lib:
r4#
r4#
r4#show mpls forw
r4#show mpls forw
 |~~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label   | vrf      | iface     | hop     | label      | targets | bytes |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 194167  | null     | null      | null    | unlabelled |         | 0     |
 | 194168  | v1:6     | ethernet1 | 1236::3 | 203235     |         | 0     |
 | 194169  | v1:6     | ethernet1 | 1236::3 | 203236     |         | 0     |
 | 194170  | v1:6     | ethernet1 | 1236::3 | 203237     |         | 0     |
 | 194171  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 194172  | null     | null      | null    | unlabelled |         | 0     |
 | 194173  | null     | null      | null    | unlabelled |         | 0     |
 | 194174  | null     | null      | null    | unlabelled |         | 0     |
 | 194175  | null     | null      | null    | unlabelled |         | 0     |
 | 194176  | null     | null      | null    | unlabelled |         | 0     |
 | 340582  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 387832  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 387924  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 395567  | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 | 448325  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 681488  | null     | null      | null    | unlabelled |         | 0     |
 | 681489  | v1:4     | ethernet1 | 1.1.3.3 | 918196     |         | 0     |
 | 681490  | v1:4     | ethernet1 | 1.1.3.3 | 918197     |         | 0     |
 | 681491  | v1:4     | ethernet1 | 1.1.3.3 | 918198     |         | 0     |
 | 681492  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 681493  | null     | null      | null    | unlabelled |         | 0     |
 | 681494  | null     | null      | null    | unlabelled |         | 0     |
 | 681495  | null     | null      | null    | unlabelled |         | 0     |
 | 681496  | null     | null      | null    | unlabelled |         | 0     |
 | 681497  | null     | null      | null    | unlabelled |         | 0     |
 | 1016395 | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 |_________|__________|___________|_________|____________|_________|_______|
r4#
r4#