here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label   | vrf      | iface     | hop     | label      | targets | bytes |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 28947   | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 76698   | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 169368  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 200862  | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 | 265989  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 429702  | null     | null      | null    | unlabelled |         | 0     |
 | 429703  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 429704  | v1:6     | ethernet1 | 1234::2 | 481249     |         | 0     |
 | 429705  | v1:6     | ethernet1 | 1234::2 | 481250     |         | 0     |
 | 429706  | v1:6     | ethernet1 | 1234::2 | 481251     |         | 0     |
 | 429707  | null     | null      | null    | unlabelled |         | 0     |
 | 429708  | null     | null      | null    | unlabelled |         | 0     |
 | 429709  | null     | null      | null    | unlabelled |         | 0     |
 | 429710  | null     | null      | null    | unlabelled |         | 0     |
 | 429711  | null     | null      | null    | unlabelled |         | 0     |
 | 481591  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 499940  | null     | null      | null    | unlabelled |         | 0     |
 | 499941  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 499942  | v1:4     | ethernet1 | 1.1.1.2 | 155897     |         | 0     |
 | 499943  | v1:4     | ethernet1 | 1.1.1.2 | 155898     |         | 0     |
 | 499944  | v1:4     | ethernet1 | 1.1.1.2 | 155899     |         | 0     |
 | 499945  | null     | null      | null    | unlabelled |         | 0     |
 | 499946  | null     | null      | null    | unlabelled |         | 0     |
 | 499947  | null     | null      | null    | unlabelled |         | 0     |
 | 499948  | null     | null      | null    | unlabelled |         | 0     |
 | 499949  | null     | null      | null    | unlabelled |         | 0     |
 | 618086  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 703463  | v1:6     | ethernet1 | 1234::2 | 3          |         | 0     |
 | 964483  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 1026731 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 61995  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 132805 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 151475 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 155895 | null     | null      | null    | unlabelled |         | 0     |
 | 155896 | v1:4     | ethernet1 | 1.1.1.1 | 499941     |         | 1280  |
 | 155897 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 155898 | v1:4     | ethernet2 | 1.1.2.3 | 592201     |         | 640   |
 | 155899 | v1:4     | ethernet2 | 1.1.2.3 | 592202     |         | 640   |
 | 155900 | null     | null      | null    | unlabelled |         | 0     |
 | 155901 | null     | null      | null    | unlabelled |         | 0     |
 | 155902 | null     | null      | null    | unlabelled |         | 0     |
 | 155903 | null     | null      | null    | unlabelled |         | 0     |
 | 155904 | null     | null      | null    | unlabelled |         | 0     |
 | 173144 | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 | 195842 | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 | 377467 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 451056 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 481247 | null     | null      | null    | unlabelled |         | 0     |
 | 481248 | v1:6     | ethernet1 | 1234::1 | 429703     |         | 1280  |
 | 481249 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 481250 | v1:6     | ethernet2 | 1235::3 | 995481     |         | 640   |
 | 481251 | v1:6     | ethernet2 | 1235::3 | 995482     |         | 640   |
 | 481252 | null     | null      | null    | unlabelled |         | 0     |
 | 481253 | null     | null      | null    | unlabelled |         | 0     |
 | 481254 | null     | null      | null    | unlabelled |         | 0     |
 | 481255 | null     | null      | null    | unlabelled |         | 0     |
 | 481256 | null     | null      | null    | unlabelled |         | 0     |
 | 536325 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 580988 | v1:6     | ethernet1 | 1234::1 | 3          |         | 0     |
 | 641848 | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 756047 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 897171 | v1:4     | 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 |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 47601   | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 66053   | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 111150  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 373585  | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 518043  | v1:4     | ethernet1 | 1.1.2.2 | 3          |         | 0     |
 | 563670  | v1:6     | ethernet2 | 1236::4 | 3          |         | 0     |
 | 592198  | null     | null      | null    | unlabelled |         | 0     |
 | 592199  | v1:4     | ethernet1 | 1.1.2.2 | 155896     |         | 640   |
 | 592200  | v1:4     | ethernet1 | 1.1.2.2 | 155897     |         | 640   |
 | 592201  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 592202  | v1:4     | ethernet2 | 1.1.3.4 | 990509     |         | 1280  |
 | 592203  | null     | null      | null    | unlabelled |         | 0     |
 | 592204  | null     | null      | null    | unlabelled |         | 0     |
 | 592205  | null     | null      | null    | unlabelled |         | 0     |
 | 592206  | null     | null      | null    | unlabelled |         | 0     |
 | 592207  | null     | null      | null    | unlabelled |         | 0     |
 | 592831  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 628862  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 676795  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 835202  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 878970  | v1:4     | ethernet2 | 1.1.3.4 | 3          |         | 0     |
 | 995478  | null     | null      | null    | unlabelled |         | 0     |
 | 995479  | v1:6     | ethernet1 | 1235::2 | 481248     |         | 640   |
 | 995480  | v1:6     | ethernet1 | 1235::2 | 481249     |         | 640   |
 | 995481  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 995482  | v1:6     | ethernet2 | 1236::4 | 959304     |         | 1280  |
 | 995483  | null     | null      | null    | unlabelled |         | 0     |
 | 995484  | null     | null      | null    | unlabelled |         | 0     |
 | 995485  | null     | null      | null    | unlabelled |         | 0     |
 | 995486  | null     | null      | null    | unlabelled |         | 0     |
 | 995487  | null     | null      | null    | unlabelled |         | 0     |
 | 1016463 | tester:4 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 203380 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 223696 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 234977 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 246287 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 494618 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 572922 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 639669 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 652814 | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 | 725512 | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 | 878570 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 959300 | null     | null      | null    | unlabelled |         | 0     |
 | 959301 | v1:6     | ethernet1 | 1236::3 | 995479     |         | 0     |
 | 959302 | v1:6     | ethernet1 | 1236::3 | 995480     |         | 0     |
 | 959303 | v1:6     | ethernet1 | 1236::3 | 995481     |         | 0     |
 | 959304 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 959305 | null     | null      | null    | unlabelled |         | 0     |
 | 959306 | null     | null      | null    | unlabelled |         | 0     |
 | 959307 | null     | null      | null    | unlabelled |         | 0     |
 | 959308 | null     | null      | null    | unlabelled |         | 0     |
 | 959309 | null     | null      | null    | unlabelled |         | 0     |
 | 990505 | null     | null      | null    | unlabelled |         | 0     |
 | 990506 | v1:4     | ethernet1 | 1.1.3.3 | 592199     |         | 0     |
 | 990507 | v1:4     | ethernet1 | 1.1.3.3 | 592200     |         | 0     |
 | 990508 | v1:4     | ethernet1 | 1.1.3.3 | 592201     |         | 0     |
 | 990509 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 990510 | null     | null      | null    | unlabelled |         | 0     |
 | 990511 | null     | null      | null    | unlabelled |         | 0     |
 | 990512 | null     | null      | null    | unlabelled |         | 0     |
 | 990513 | null     | null      | null    | unlabelled |         | 0     |
 | 990514 | null     | null      | null    | unlabelled |         | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r4#
r4#