here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 163420 | null     | null      | null    | unlabelled |         | 0     |
 | 163421 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 163422 | v1:4     | ethernet1 | 1.1.1.2 | 571656     |         | 0     |
 | 163423 | v1:4     | ethernet1 | 1.1.1.2 | 571657     |         | 0     |
 | 163424 | v1:4     | ethernet1 | 1.1.1.2 | 571658     |         | 0     |
 | 163425 | null     | null      | null    | unlabelled |         | 0     |
 | 163426 | null     | null      | null    | unlabelled |         | 0     |
 | 163427 | null     | null      | null    | unlabelled |         | 0     |
 | 163428 | null     | null      | null    | unlabelled |         | 0     |
 | 163429 | null     | null      | null    | unlabelled |         | 0     |
 | 295723 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 498063 | null     | null      | null    | unlabelled |         | 0     |
 | 498064 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 498065 | v1:6     | ethernet1 | 1234::2 | 513027     |         | 0     |
 | 498066 | v1:6     | ethernet1 | 1234::2 | 513028     |         | 0     |
 | 498067 | v1:6     | ethernet1 | 1234::2 | 513029     |         | 0     |
 | 498068 | null     | null      | null    | unlabelled |         | 0     |
 | 498069 | null     | null      | null    | unlabelled |         | 0     |
 | 498070 | null     | null      | null    | unlabelled |         | 0     |
 | 498071 | null     | null      | null    | unlabelled |         | 0     |
 | 498072 | null     | null      | null    | unlabelled |         | 0     |
 | 589213 | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 | 757861 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 781596 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 957862 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 976467 | v1:6     | ethernet1 | 1234::2 | 3          |         | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r1#
r1#
here is the lib:
r2#
r2#
r2#show mpls forw
r2#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 282282 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 283997 | v1:6     | ethernet1 | 1234::1 | 3          |         | 0     |
 | 310131 | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 | 313761 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 513025 | null     | null      | null    | unlabelled |         | 0     |
 | 513026 | v1:6     | ethernet1 | 1234::1 | 498064     |         | 1280  |
 | 513027 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 513028 | v1:6     | ethernet2 | 1235::3 | 956903     |         | 640   |
 | 513029 | v1:6     | ethernet2 | 1235::3 | 956904     |         | 640   |
 | 513030 | null     | null      | null    | unlabelled |         | 0     |
 | 513031 | null     | null      | null    | unlabelled |         | 0     |
 | 513032 | null     | null      | null    | unlabelled |         | 0     |
 | 513033 | null     | null      | null    | unlabelled |         | 0     |
 | 513034 | null     | null      | null    | unlabelled |         | 0     |
 | 536714 | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 | 571654 | null     | null      | null    | unlabelled |         | 0     |
 | 571655 | v1:4     | ethernet1 | 1.1.1.1 | 163421     |         | 1280  |
 | 571656 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 571657 | v1:4     | ethernet2 | 1.1.2.3 | 1030136    |         | 640   |
 | 571658 | v1:4     | ethernet2 | 1.1.2.3 | 1030137    |         | 640   |
 | 571659 | null     | null      | null    | unlabelled |         | 0     |
 | 571660 | null     | null      | null    | unlabelled |         | 0     |
 | 571661 | null     | null      | null    | unlabelled |         | 0     |
 | 571662 | null     | null      | null    | unlabelled |         | 0     |
 | 571663 | null     | null      | null    | unlabelled |         | 0     |
 | 664201 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 674284 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 951742 | v1:4     | ethernet2 | 1.1.2.3 | 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 |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 28729   | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 70725   | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 99088   | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 147727  | v1:4     | ethernet2 | 1.1.3.4 | 3          |         | 0     |
 | 294984  | v1:4     | ethernet1 | 1.1.2.2 | 3          |         | 0     |
 | 467995  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 934156  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 956900  | null     | null      | null    | unlabelled |         | 0     |
 | 956901  | v1:6     | ethernet1 | 1235::2 | 513026     |         | 640   |
 | 956902  | v1:6     | ethernet1 | 1235::2 | 513027     |         | 640   |
 | 956903  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 956904  | v1:6     | ethernet2 | 1236::4 | 660528     |         | 1280  |
 | 956905  | null     | null      | null    | unlabelled |         | 0     |
 | 956906  | null     | null      | null    | unlabelled |         | 0     |
 | 956907  | null     | null      | null    | unlabelled |         | 0     |
 | 956908  | null     | null      | null    | unlabelled |         | 0     |
 | 956909  | null     | null      | null    | unlabelled |         | 0     |
 | 1028345 | v1:6     | ethernet2 | 1236::4 | 3          |         | 0     |
 | 1030133 | null     | null      | null    | unlabelled |         | 0     |
 | 1030134 | v1:4     | ethernet1 | 1.1.2.2 | 571655     |         | 640   |
 | 1030135 | v1:4     | ethernet1 | 1.1.2.2 | 571656     |         | 640   |
 | 1030136 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 1030137 | v1:4     | ethernet2 | 1.1.3.4 | 287038     |         | 1280  |
 | 1030138 | null     | null      | null    | unlabelled |         | 0     |
 | 1030139 | null     | null      | null    | unlabelled |         | 0     |
 | 1030140 | null     | null      | null    | unlabelled |         | 0     |
 | 1030141 | null     | null      | null    | unlabelled |         | 0     |
 | 1030142 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 29349  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 270165 | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 | 287034 | null     | null      | null    | unlabelled |         | 0     |
 | 287035 | v1:4     | ethernet1 | 1.1.3.3 | 1030134    |         | 0     |
 | 287036 | v1:4     | ethernet1 | 1.1.3.3 | 1030135    |         | 0     |
 | 287037 | v1:4     | ethernet1 | 1.1.3.3 | 1030136    |         | 0     |
 | 287038 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 287039 | null     | null      | null    | unlabelled |         | 0     |
 | 287040 | null     | null      | null    | unlabelled |         | 0     |
 | 287041 | null     | null      | null    | unlabelled |         | 0     |
 | 287042 | null     | null      | null    | unlabelled |         | 0     |
 | 287043 | null     | null      | null    | unlabelled |         | 0     |
 | 493665 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 660524 | null     | null      | null    | unlabelled |         | 0     |
 | 660525 | v1:6     | ethernet1 | 1236::3 | 956901     |         | 0     |
 | 660526 | v1:6     | ethernet1 | 1236::3 | 956902     |         | 0     |
 | 660527 | v1:6     | ethernet1 | 1236::3 | 956903     |         | 0     |
 | 660528 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 660529 | null     | null      | null    | unlabelled |         | 0     |
 | 660530 | null     | null      | null    | unlabelled |         | 0     |
 | 660531 | null     | null      | null    | unlabelled |         | 0     |
 | 660532 | null     | null      | null    | unlabelled |         | 0     |
 | 660533 | null     | null      | null    | unlabelled |         | 0     |
 | 716482 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 859159 | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 | 944447 | tester:6 | null      | null    | unlabelled | local   | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r4#
r4#