here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 55082  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 146440 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 236850 | null     | null      | null    | unlabelled |         | 0     |
 | 236851 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 236852 | v1:4     | ethernet1 | 1.1.1.2 | 172264     |         | 0     |
 | 236853 | v1:4     | ethernet1 | 1.1.1.2 | 172265     |         | 0     |
 | 236854 | v1:4     | ethernet1 | 1.1.1.2 | 172266     |         | 0     |
 | 236855 | null     | null      | null    | unlabelled |         | 0     |
 | 236856 | null     | null      | null    | unlabelled |         | 0     |
 | 236857 | null     | null      | null    | unlabelled |         | 0     |
 | 236858 | null     | null      | null    | unlabelled |         | 0     |
 | 236859 | null     | null      | null    | unlabelled |         | 0     |
 | 270436 | null     | null      | null    | unlabelled |         | 0     |
 | 270437 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 270438 | v1:6     | ethernet1 | 1234::2 | 943509     |         | 0     |
 | 270439 | v1:6     | ethernet1 | 1234::2 | 943510     |         | 0     |
 | 270440 | v1:6     | ethernet1 | 1234::2 | 943511     |         | 0     |
 | 270441 | null     | null      | null    | unlabelled |         | 0     |
 | 270442 | null     | null      | null    | unlabelled |         | 0     |
 | 270443 | null     | null      | null    | unlabelled |         | 0     |
 | 270444 | null     | null      | null    | unlabelled |         | 0     |
 | 270445 | null     | null      | null    | unlabelled |         | 0     |
 | 458700 | v1:6     | ethernet1 | 1234::2 | 3          |         | 0     |
 | 523169 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 576808 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 696584 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 739623 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 760638 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 800467 | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 | 906161 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 38102  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 172262 | null     | null      | null    | unlabelled |         | 0     |
 | 172263 | v1:4     | ethernet1 | 1.1.1.1 | 236851     |         | 1280  |
 | 172264 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 172265 | v1:4     | ethernet2 | 1.1.2.3 | 782083     |         | 640   |
 | 172266 | v1:4     | ethernet2 | 1.1.2.3 | 782084     |         | 640   |
 | 172267 | null     | null      | null    | unlabelled |         | 0     |
 | 172268 | null     | null      | null    | unlabelled |         | 0     |
 | 172269 | null     | null      | null    | unlabelled |         | 0     |
 | 172270 | null     | null      | null    | unlabelled |         | 0     |
 | 172271 | null     | null      | null    | unlabelled |         | 0     |
 | 188706 | v1:6     | ethernet1 | 1234::1 | 3          |         | 0     |
 | 228314 | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 | 297959 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 461770 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 523446 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 580996 | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 | 628210 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 636902 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 823998 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 886112 | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 943507 | null     | null      | null    | unlabelled |         | 0     |
 | 943508 | v1:6     | ethernet1 | 1234::1 | 270437     |         | 1280  |
 | 943509 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 943510 | v1:6     | ethernet2 | 1235::3 | 502313     |         | 640   |
 | 943511 | v1:6     | ethernet2 | 1235::3 | 502314     |         | 640   |
 | 943512 | null     | null      | null    | unlabelled |         | 0     |
 | 943513 | null     | null      | null    | unlabelled |         | 0     |
 | 943514 | null     | null      | null    | unlabelled |         | 0     |
 | 943515 | null     | null      | null    | unlabelled |         | 0     |
 | 943516 | null     | null      | null    | unlabelled |         | 0     |
 | 972776 | tester: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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 84481  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 300974 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 333445 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 345080 | v1:4     | ethernet2 | 1.1.3.4 | 3          |         | 0     |
 | 433063 | v1:6     | ethernet2 | 1236::4 | 3          |         | 0     |
 | 497136 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 502310 | null     | null      | null    | unlabelled |         | 0     |
 | 502311 | v1:6     | ethernet1 | 1235::2 | 943508     |         | 640   |
 | 502312 | v1:6     | ethernet1 | 1235::2 | 943509     |         | 640   |
 | 502313 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 502314 | v1:6     | ethernet2 | 1236::4 | 125643     |         | 1280  |
 | 502315 | null     | null      | null    | unlabelled |         | 0     |
 | 502316 | null     | null      | null    | unlabelled |         | 0     |
 | 502317 | null     | null      | null    | unlabelled |         | 0     |
 | 502318 | null     | null      | null    | unlabelled |         | 0     |
 | 502319 | null     | null      | null    | unlabelled |         | 0     |
 | 511250 | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 542513 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 548694 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 567868 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 722794 | v1:4     | ethernet1 | 1.1.2.2 | 3          |         | 0     |
 | 782080 | null     | null      | null    | unlabelled |         | 0     |
 | 782081 | v1:4     | ethernet1 | 1.1.2.2 | 172263     |         | 640   |
 | 782082 | v1:4     | ethernet1 | 1.1.2.2 | 172264     |         | 640   |
 | 782083 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 782084 | v1:4     | ethernet2 | 1.1.3.4 | 774653     |         | 1280  |
 | 782085 | null     | null      | null    | unlabelled |         | 0     |
 | 782086 | null     | null      | null    | unlabelled |         | 0     |
 | 782087 | null     | null      | null    | unlabelled |         | 0     |
 | 782088 | null     | null      | null    | unlabelled |         | 0     |
 | 782089 | null     | null      | null    | unlabelled |         | 0     |
 | 954269 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 107375 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 125639 | null     | null      | null    | unlabelled |         | 0     |
 | 125640 | v1:6     | ethernet1 | 1236::3 | 502311     |         | 0     |
 | 125641 | v1:6     | ethernet1 | 1236::3 | 502312     |         | 0     |
 | 125642 | v1:6     | ethernet1 | 1236::3 | 502313     |         | 0     |
 | 125643 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 125644 | null     | null      | null    | unlabelled |         | 0     |
 | 125645 | null     | null      | null    | unlabelled |         | 0     |
 | 125646 | null     | null      | null    | unlabelled |         | 0     |
 | 125647 | null     | null      | null    | unlabelled |         | 0     |
 | 125648 | null     | null      | null    | unlabelled |         | 0     |
 | 138710 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 159547 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 182285 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 210308 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 310741 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 479443 | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 | 523267 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 774649 | null     | null      | null    | unlabelled |         | 0     |
 | 774650 | v1:4     | ethernet1 | 1.1.3.3 | 782081     |         | 0     |
 | 774651 | v1:4     | ethernet1 | 1.1.3.3 | 782082     |         | 0     |
 | 774652 | v1:4     | ethernet1 | 1.1.3.3 | 782083     |         | 0     |
 | 774653 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 774654 | null     | null      | null    | unlabelled |         | 0     |
 | 774655 | null     | null      | null    | unlabelled |         | 0     |
 | 774656 | null     | null      | null    | unlabelled |         | 0     |
 | 774657 | null     | null      | null    | unlabelled |         | 0     |
 | 774658 | null     | null      | null    | unlabelled |         | 0     |
 | 974808 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 980671 | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r4#
r4#