here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 155059 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 245428 | v1:6     | ethernet1 | 1234::2 | 3          |         | 0     |
 | 312101 | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 | 526828 | null     | null      | null    | unlabelled |         | 0     |
 | 526829 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 526830 | v1:6     | ethernet1 | 1234::2 | 105274     |         | 0     |
 | 526831 | v1:6     | ethernet1 | 1234::2 | 105275     |         | 0     |
 | 526832 | v1:6     | ethernet1 | 1234::2 | 105276     |         | 0     |
 | 526833 | null     | null      | null    | unlabelled |         | 0     |
 | 526834 | null     | null      | null    | unlabelled |         | 0     |
 | 526835 | null     | null      | null    | unlabelled |         | 0     |
 | 526836 | null     | null      | null    | unlabelled |         | 0     |
 | 526837 | null     | null      | null    | unlabelled |         | 0     |
 | 591080 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 705019 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 761693 | null     | null      | null    | unlabelled |         | 0     |
 | 761694 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 761695 | v1:4     | ethernet1 | 1.1.1.2 | 168511     |         | 0     |
 | 761696 | v1:4     | ethernet1 | 1.1.1.2 | 168512     |         | 0     |
 | 761697 | v1:4     | ethernet1 | 1.1.1.2 | 168513     |         | 0     |
 | 761698 | null     | null      | null    | unlabelled |         | 0     |
 | 761699 | null     | null      | null    | unlabelled |         | 0     |
 | 761700 | null     | null      | null    | unlabelled |         | 0     |
 | 761701 | null     | null      | null    | unlabelled |         | 0     |
 | 761702 | null     | null      | null    | unlabelled |         | 0     |
 | 963364 | tester:4 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 96421  | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 105272 | null     | null      | null    | unlabelled |         | 0     |
 | 105273 | v1:6     | ethernet1 | 1234::1 | 526829     |         | 1280  |
 | 105274 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 105275 | v1:6     | ethernet2 | 1235::3 | 1015464    |         | 640   |
 | 105276 | v1:6     | ethernet2 | 1235::3 | 1015465    |         | 640   |
 | 105277 | null     | null      | null    | unlabelled |         | 0     |
 | 105278 | null     | null      | null    | unlabelled |         | 0     |
 | 105279 | null     | null      | null    | unlabelled |         | 0     |
 | 105280 | null     | null      | null    | unlabelled |         | 0     |
 | 105281 | null     | null      | null    | unlabelled |         | 0     |
 | 162809 | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 | 168509 | null     | null      | null    | unlabelled |         | 0     |
 | 168510 | v1:4     | ethernet1 | 1.1.1.1 | 761694     |         | 1280  |
 | 168511 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 168512 | v1:4     | ethernet2 | 1.1.2.3 | 268365     |         | 640   |
 | 168513 | v1:4     | ethernet2 | 1.1.2.3 | 268366     |         | 640   |
 | 168514 | null     | null      | null    | unlabelled |         | 0     |
 | 168515 | null     | null      | null    | unlabelled |         | 0     |
 | 168516 | null     | null      | null    | unlabelled |         | 0     |
 | 168517 | null     | null      | null    | unlabelled |         | 0     |
 | 168518 | null     | null      | null    | unlabelled |         | 0     |
 | 176598 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 205459 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 267687 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 288563 | v1:6     | ethernet1 | 1234::1 | 3          |         | 0     |
 | 627901 | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 | 978586 | v1:6     | 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 |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 35732   | v1:6     | ethernet2 | 1236::4 | 3          |         | 0     |
 | 123749  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 255228  | v1:4     | ethernet2 | 1.1.3.4 | 3          |         | 0     |
 | 268362  | null     | null      | null    | unlabelled |         | 0     |
 | 268363  | v1:4     | ethernet1 | 1.1.2.2 | 168510     |         | 640   |
 | 268364  | v1:4     | ethernet1 | 1.1.2.2 | 168511     |         | 640   |
 | 268365  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 268366  | v1:4     | ethernet2 | 1.1.3.4 | 603500     |         | 1280  |
 | 268367  | null     | null      | null    | unlabelled |         | 0     |
 | 268368  | null     | null      | null    | unlabelled |         | 0     |
 | 268369  | null     | null      | null    | unlabelled |         | 0     |
 | 268370  | null     | null      | null    | unlabelled |         | 0     |
 | 268371  | null     | null      | null    | unlabelled |         | 0     |
 | 278274  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 360873  | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 508080  | v1:4     | ethernet1 | 1.1.2.2 | 3          |         | 0     |
 | 723191  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 924388  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 1015461 | null     | null      | null    | unlabelled |         | 0     |
 | 1015462 | v1:6     | ethernet1 | 1235::2 | 105273     |         | 640   |
 | 1015463 | v1:6     | ethernet1 | 1235::2 | 105274     |         | 640   |
 | 1015464 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 1015465 | v1:6     | ethernet2 | 1236::4 | 271212     |         | 1280  |
 | 1015466 | null     | null      | null    | unlabelled |         | 0     |
 | 1015467 | null     | null      | null    | unlabelled |         | 0     |
 | 1015468 | null     | null      | null    | unlabelled |         | 0     |
 | 1015469 | null     | null      | null    | unlabelled |         | 0     |
 | 1015470 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 105956 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 159482 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 207918 | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 | 271208 | null     | null      | null    | unlabelled |         | 0     |
 | 271209 | v1:6     | ethernet1 | 1236::3 | 1015462    |         | 0     |
 | 271210 | v1:6     | ethernet1 | 1236::3 | 1015463    |         | 0     |
 | 271211 | v1:6     | ethernet1 | 1236::3 | 1015464    |         | 0     |
 | 271212 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 271213 | null     | null      | null    | unlabelled |         | 0     |
 | 271214 | null     | null      | null    | unlabelled |         | 0     |
 | 271215 | null     | null      | null    | unlabelled |         | 0     |
 | 271216 | null     | null      | null    | unlabelled |         | 0     |
 | 271217 | null     | null      | null    | unlabelled |         | 0     |
 | 572338 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 603496 | null     | null      | null    | unlabelled |         | 0     |
 | 603497 | v1:4     | ethernet1 | 1.1.3.3 | 268363     |         | 0     |
 | 603498 | v1:4     | ethernet1 | 1.1.3.3 | 268364     |         | 0     |
 | 603499 | v1:4     | ethernet1 | 1.1.3.3 | 268365     |         | 0     |
 | 603500 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 603501 | null     | null      | null    | unlabelled |         | 0     |
 | 603502 | null     | null      | null    | unlabelled |         | 0     |
 | 603503 | null     | null      | null    | unlabelled |         | 0     |
 | 603504 | null     | null      | null    | unlabelled |         | 0     |
 | 603505 | null     | null      | null    | unlabelled |         | 0     |
 | 763400 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 983869 | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r4#
r4#