here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label   | vrf      | iface     | hop     | label      | targets | bytes |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 19874   | null     | null      | null    | unlabelled |         | 0     |
 | 19875   | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 19876   | v1:6     | ethernet1 | 1234::2 | 770476     |         | 0     |
 | 19877   | v1:6     | ethernet1 | 1234::2 | 770477     |         | 0     |
 | 19878   | v1:6     | ethernet1 | 1234::2 | 770478     |         | 0     |
 | 19879   | null     | null      | null    | unlabelled |         | 0     |
 | 19880   | null     | null      | null    | unlabelled |         | 0     |
 | 19881   | null     | null      | null    | unlabelled |         | 0     |
 | 19882   | null     | null      | null    | unlabelled |         | 0     |
 | 19883   | null     | null      | null    | unlabelled |         | 0     |
 | 167532  | v1:6     | ethernet1 | 1234::2 | 3          |         | 0     |
 | 228328  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 319128  | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 | 661196  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 930051  | null     | null      | null    | unlabelled |         | 0     |
 | 930052  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 930053  | v1:4     | ethernet1 | 1.1.1.2 | 542634     |         | 0     |
 | 930054  | v1:4     | ethernet1 | 1.1.1.2 | 542635     |         | 0     |
 | 930055  | v1:4     | ethernet1 | 1.1.1.2 | 542636     |         | 0     |
 | 930056  | null     | null      | null    | unlabelled |         | 0     |
 | 930057  | null     | null      | null    | unlabelled |         | 0     |
 | 930058  | null     | null      | null    | unlabelled |         | 0     |
 | 930059  | null     | null      | null    | unlabelled |         | 0     |
 | 930060  | null     | null      | null    | unlabelled |         | 0     |
 | 995718  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 1025918 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 36091  | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 293915 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 355638 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 388218 | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 | 453513 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 542632 | null     | null      | null    | unlabelled |         | 0     |
 | 542633 | v1:4     | ethernet1 | 1.1.1.1 | 930052     |         | 1280  |
 | 542634 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 542635 | v1:4     | ethernet2 | 1.1.2.3 | 503315     |         | 640   |
 | 542636 | v1:4     | ethernet2 | 1.1.2.3 | 503316     |         | 640   |
 | 542637 | null     | null      | null    | unlabelled |         | 0     |
 | 542638 | null     | null      | null    | unlabelled |         | 0     |
 | 542639 | null     | null      | null    | unlabelled |         | 0     |
 | 542640 | null     | null      | null    | unlabelled |         | 0     |
 | 542641 | null     | null      | null    | unlabelled |         | 0     |
 | 728969 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 770474 | null     | null      | null    | unlabelled |         | 0     |
 | 770475 | v1:6     | ethernet1 | 1234::1 | 19875      |         | 1280  |
 | 770476 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 770477 | v1:6     | ethernet2 | 1235::3 | 285562     |         | 640   |
 | 770478 | v1:6     | ethernet2 | 1235::3 | 285563     |         | 640   |
 | 770479 | null     | null      | null    | unlabelled |         | 0     |
 | 770480 | null     | null      | null    | unlabelled |         | 0     |
 | 770481 | null     | null      | null    | unlabelled |         | 0     |
 | 770482 | null     | null      | null    | unlabelled |         | 0     |
 | 770483 | null     | null      | null    | unlabelled |         | 0     |
 | 886368 | v1:6     | ethernet1 | 1234::1 | 3          |         | 0     |
 | 927589 | 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 |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 4564    | v1:6     | ethernet2 | 1236::4 | 3          |         | 0     |
 | 163596  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 174830  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 257714  | v1:4     | ethernet1 | 1.1.2.2 | 3          |         | 0     |
 | 285559  | null     | null      | null    | unlabelled |         | 0     |
 | 285560  | v1:6     | ethernet1 | 1235::2 | 770475     |         | 640   |
 | 285561  | v1:6     | ethernet1 | 1235::2 | 770476     |         | 640   |
 | 285562  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 285563  | v1:6     | ethernet2 | 1236::4 | 389045     |         | 1280  |
 | 285564  | null     | null      | null    | unlabelled |         | 0     |
 | 285565  | null     | null      | null    | unlabelled |         | 0     |
 | 285566  | null     | null      | null    | unlabelled |         | 0     |
 | 285567  | null     | null      | null    | unlabelled |         | 0     |
 | 285568  | null     | null      | null    | unlabelled |         | 0     |
 | 417705  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 503312  | null     | null      | null    | unlabelled |         | 0     |
 | 503313  | v1:4     | ethernet1 | 1.1.2.2 | 542633     |         | 640   |
 | 503314  | v1:4     | ethernet1 | 1.1.2.2 | 542634     |         | 640   |
 | 503315  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 503316  | v1:4     | ethernet2 | 1.1.3.4 | 706977     |         | 1280  |
 | 503317  | null     | null      | null    | unlabelled |         | 0     |
 | 503318  | null     | null      | null    | unlabelled |         | 0     |
 | 503319  | null     | null      | null    | unlabelled |         | 0     |
 | 503320  | null     | null      | null    | unlabelled |         | 0     |
 | 503321  | null     | null      | null    | unlabelled |         | 0     |
 | 657613  | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 873126  | v1:4     | ethernet2 | 1.1.3.4 | 3          |         | 0     |
 | 1020641 | 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 |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 28515   | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 161940  | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 | 183861  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 389041  | null     | null      | null    | unlabelled |         | 0     |
 | 389042  | v1:6     | ethernet1 | 1236::3 | 285560     |         | 0     |
 | 389043  | v1:6     | ethernet1 | 1236::3 | 285561     |         | 0     |
 | 389044  | v1:6     | ethernet1 | 1236::3 | 285562     |         | 0     |
 | 389045  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 389046  | null     | null      | null    | unlabelled |         | 0     |
 | 389047  | null     | null      | null    | unlabelled |         | 0     |
 | 389048  | null     | null      | null    | unlabelled |         | 0     |
 | 389049  | null     | null      | null    | unlabelled |         | 0     |
 | 389050  | null     | null      | null    | unlabelled |         | 0     |
 | 563123  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 706973  | null     | null      | null    | unlabelled |         | 0     |
 | 706974  | v1:4     | ethernet1 | 1.1.3.3 | 503313     |         | 0     |
 | 706975  | v1:4     | ethernet1 | 1.1.3.3 | 503314     |         | 0     |
 | 706976  | v1:4     | ethernet1 | 1.1.3.3 | 503315     |         | 0     |
 | 706977  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 706978  | null     | null      | null    | unlabelled |         | 0     |
 | 706979  | null     | null      | null    | unlabelled |         | 0     |
 | 706980  | null     | null      | null    | unlabelled |         | 0     |
 | 706981  | null     | null      | null    | unlabelled |         | 0     |
 | 706982  | null     | null      | null    | unlabelled |         | 0     |
 | 970795  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 1005141 | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 |_________|__________|___________|_________|____________|_________|_______|
r4#
r4#