here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label   | vrf      | iface     | hop     | label      | targets | bytes |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 112294  | null     | null      | null    | unlabelled |         | 0     |
 | 112295  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 112296  | v1:6     | ethernet1 | 1234::2 | 730208     |         | 0     |
 | 112297  | v1:6     | ethernet1 | 1234::2 | 730209     |         | 0     |
 | 112298  | v1:6     | ethernet1 | 1234::2 | 730210     |         | 0     |
 | 112299  | null     | null      | null    | unlabelled |         | 0     |
 | 112300  | null     | null      | null    | unlabelled |         | 0     |
 | 112301  | null     | null      | null    | unlabelled |         | 0     |
 | 112302  | null     | null      | null    | unlabelled |         | 0     |
 | 112303  | null     | null      | null    | unlabelled |         | 0     |
 | 280233  | v1:6     | ethernet1 | 1234::2 | 3          |         | 0     |
 | 332906  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 351072  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 446920  | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 | 480318  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 502016  | null     | null      | null    | unlabelled |         | 0     |
 | 502017  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 502018  | v1:4     | ethernet1 | 1.1.1.2 | 594695     |         | 0     |
 | 502019  | v1:4     | ethernet1 | 1.1.1.2 | 594696     |         | 0     |
 | 502020  | v1:4     | ethernet1 | 1.1.1.2 | 594697     |         | 0     |
 | 502021  | null     | null      | null    | unlabelled |         | 0     |
 | 502022  | null     | null      | null    | unlabelled |         | 0     |
 | 502023  | null     | null      | null    | unlabelled |         | 0     |
 | 502024  | null     | null      | null    | unlabelled |         | 0     |
 | 502025  | null     | null      | null    | unlabelled |         | 0     |
 | 730150  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 850724  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 969430  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 1003425 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 1037680 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 136409 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 173689 | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 | 310951 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 317865 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 377632 | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 | 389436 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 486038 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 509158 | v1:6     | ethernet1 | 1234::1 | 3          |         | 0     |
 | 594693 | null     | null      | null    | unlabelled |         | 0     |
 | 594694 | v1:4     | ethernet1 | 1.1.1.1 | 502017     |         | 1280  |
 | 594695 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 594696 | v1:4     | ethernet2 | 1.1.2.3 | 570161     |         | 640   |
 | 594697 | v1:4     | ethernet2 | 1.1.2.3 | 570162     |         | 640   |
 | 594698 | null     | null      | null    | unlabelled |         | 0     |
 | 594699 | null     | null      | null    | unlabelled |         | 0     |
 | 594700 | null     | null      | null    | unlabelled |         | 0     |
 | 594701 | null     | null      | null    | unlabelled |         | 0     |
 | 594702 | null     | null      | null    | unlabelled |         | 0     |
 | 604777 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 655704 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 730206 | null     | null      | null    | unlabelled |         | 0     |
 | 730207 | v1:6     | ethernet1 | 1234::1 | 112295     |         | 1280  |
 | 730208 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 730209 | v1:6     | ethernet2 | 1235::3 | 947688     |         | 640   |
 | 730210 | v1:6     | ethernet2 | 1235::3 | 947689     |         | 640   |
 | 730211 | null     | null      | null    | unlabelled |         | 0     |
 | 730212 | null     | null      | null    | unlabelled |         | 0     |
 | 730213 | null     | null      | null    | unlabelled |         | 0     |
 | 730214 | null     | null      | null    | unlabelled |         | 0     |
 | 730215 | null     | null      | null    | unlabelled |         | 0     |
 | 818654 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 961049 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 95479  | v1:6     | ethernet2 | 1236::4 | 3          |         | 0     |
 | 135424 | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 139661 | v1:4     | ethernet2 | 1.1.3.4 | 3          |         | 0     |
 | 151098 | v1:4     | ethernet1 | 1.1.2.2 | 3          |         | 0     |
 | 187598 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 238511 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 409405 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 570158 | null     | null      | null    | unlabelled |         | 0     |
 | 570159 | v1:4     | ethernet1 | 1.1.2.2 | 594694     |         | 640   |
 | 570160 | v1:4     | ethernet1 | 1.1.2.2 | 594695     |         | 640   |
 | 570161 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 570162 | v1:4     | ethernet2 | 1.1.3.4 | 309093     |         | 1280  |
 | 570163 | null     | null      | null    | unlabelled |         | 0     |
 | 570164 | null     | null      | null    | unlabelled |         | 0     |
 | 570165 | null     | null      | null    | unlabelled |         | 0     |
 | 570166 | null     | null      | null    | unlabelled |         | 0     |
 | 570167 | null     | null      | null    | unlabelled |         | 0     |
 | 571617 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 576442 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 611951 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 919630 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 947685 | null     | null      | null    | unlabelled |         | 0     |
 | 947686 | v1:6     | ethernet1 | 1235::2 | 730207     |         | 640   |
 | 947687 | v1:6     | ethernet1 | 1235::2 | 730208     |         | 640   |
 | 947688 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 947689 | v1:6     | ethernet2 | 1236::4 | 35979      |         | 1280  |
 | 947690 | null     | null      | null    | unlabelled |         | 0     |
 | 947691 | null     | null      | null    | unlabelled |         | 0     |
 | 947692 | null     | null      | null    | unlabelled |         | 0     |
 | 947693 | null     | null      | null    | unlabelled |         | 0     |
 | 947694 | null     | null      | null    | unlabelled |         | 0     |
 | 988684 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 35975  | null     | null      | null    | unlabelled |         | 0     |
 | 35976  | v1:6     | ethernet1 | 1236::3 | 947686     |         | 0     |
 | 35977  | v1:6     | ethernet1 | 1236::3 | 947687     |         | 0     |
 | 35978  | v1:6     | ethernet1 | 1236::3 | 947688     |         | 0     |
 | 35979  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 35980  | null     | null      | null    | unlabelled |         | 0     |
 | 35981  | null     | null      | null    | unlabelled |         | 0     |
 | 35982  | null     | null      | null    | unlabelled |         | 0     |
 | 35983  | null     | null      | null    | unlabelled |         | 0     |
 | 35984  | null     | null      | null    | unlabelled |         | 0     |
 | 148231 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 216183 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 304134 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 309089 | null     | null      | null    | unlabelled |         | 0     |
 | 309090 | v1:4     | ethernet1 | 1.1.3.3 | 570159     |         | 0     |
 | 309091 | v1:4     | ethernet1 | 1.1.3.3 | 570160     |         | 0     |
 | 309092 | v1:4     | ethernet1 | 1.1.3.3 | 570161     |         | 0     |
 | 309093 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 309094 | null     | null      | null    | unlabelled |         | 0     |
 | 309095 | null     | null      | null    | unlabelled |         | 0     |
 | 309096 | null     | null      | null    | unlabelled |         | 0     |
 | 309097 | null     | null      | null    | unlabelled |         | 0     |
 | 309098 | null     | null      | null    | unlabelled |         | 0     |
 | 312750 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 426146 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 679187 | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 | 713703 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 747136 | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 | 778358 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 960513 | tester:4 | null      | null    | unlabelled | local   | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r4#
r4#