here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 58092  | null     | null      | null    | unlabelled |         | 0     |
 | 58093  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 58094  | v1:4     | ethernet1 | 1.1.1.2 | 179703     |         | 0     |
 | 58095  | v1:4     | ethernet1 | 1.1.1.2 | 179704     |         | 0     |
 | 58096  | v1:4     | ethernet1 | 1.1.1.2 | 179705     |         | 0     |
 | 58097  | null     | null      | null    | unlabelled |         | 0     |
 | 58098  | null     | null      | null    | unlabelled |         | 0     |
 | 58099  | null     | null      | null    | unlabelled |         | 0     |
 | 58100  | null     | null      | null    | unlabelled |         | 0     |
 | 58101  | null     | null      | null    | unlabelled |         | 0     |
 | 116109 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 121800 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 184095 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 206634 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 277789 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 513306 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 613497 | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 | 644312 | v1:6     | ethernet1 | 1234::2 | 3          |         | 0     |
 | 691304 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 762525 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 905979 | null     | null      | null    | unlabelled |         | 0     |
 | 905980 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 905981 | v1:6     | ethernet1 | 1234::2 | 50338      |         | 0     |
 | 905982 | v1:6     | ethernet1 | 1234::2 | 50339      |         | 0     |
 | 905983 | v1:6     | ethernet1 | 1234::2 | 50340      |         | 0     |
 | 905984 | null     | null      | null    | unlabelled |         | 0     |
 | 905985 | null     | null      | null    | unlabelled |         | 0     |
 | 905986 | null     | null      | null    | unlabelled |         | 0     |
 | 905987 | null     | null      | null    | unlabelled |         | 0     |
 | 905988 | null     | null      | null    | unlabelled |         | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r1#
r1#
here is the lib:
r2#
r2#
r2#show mpls forw
r2#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 43350  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 50336  | null     | null      | null    | unlabelled |         | 0     |
 | 50337  | v1:6     | ethernet1 | 1234::1 | 905980     |         | 1280  |
 | 50338  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 50339  | v1:6     | ethernet2 | 1235::3 | 192047     |         | 640   |
 | 50340  | v1:6     | ethernet2 | 1235::3 | 192048     |         | 640   |
 | 50341  | null     | null      | null    | unlabelled |         | 0     |
 | 50342  | null     | null      | null    | unlabelled |         | 0     |
 | 50343  | null     | null      | null    | unlabelled |         | 0     |
 | 50344  | null     | null      | null    | unlabelled |         | 0     |
 | 50345  | null     | null      | null    | unlabelled |         | 0     |
 | 179701 | null     | null      | null    | unlabelled |         | 0     |
 | 179702 | v1:4     | ethernet1 | 1.1.1.1 | 58093      |         | 1280  |
 | 179703 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 179704 | v1:4     | ethernet2 | 1.1.2.3 | 750855     |         | 640   |
 | 179705 | v1:4     | ethernet2 | 1.1.2.3 | 750856     |         | 640   |
 | 179706 | null     | null      | null    | unlabelled |         | 0     |
 | 179707 | null     | null      | null    | unlabelled |         | 0     |
 | 179708 | null     | null      | null    | unlabelled |         | 0     |
 | 179709 | null     | null      | null    | unlabelled |         | 0     |
 | 179710 | null     | null      | null    | unlabelled |         | 0     |
 | 242122 | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 | 259142 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 506269 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 541192 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 683945 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 686758 | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 | 833422 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 909451 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 960177 | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 977073 | v1:6     | ethernet1 | 1234::1 | 3          |         | 0     |
 | 979466 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 11660  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 13217  | v1:4     | ethernet1 | 1.1.2.2 | 3          |         | 0     |
 | 55660  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 192044 | null     | null      | null    | unlabelled |         | 0     |
 | 192045 | v1:6     | ethernet1 | 1235::2 | 50337      |         | 640   |
 | 192046 | v1:6     | ethernet1 | 1235::2 | 50338      |         | 640   |
 | 192047 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 192048 | v1:6     | ethernet2 | 1236::4 | 180276     |         | 1280  |
 | 192049 | null     | null      | null    | unlabelled |         | 0     |
 | 192050 | null     | null      | null    | unlabelled |         | 0     |
 | 192051 | null     | null      | null    | unlabelled |         | 0     |
 | 192052 | null     | null      | null    | unlabelled |         | 0     |
 | 192053 | null     | null      | null    | unlabelled |         | 0     |
 | 244607 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 284475 | v1:6     | ethernet2 | 1236::4 | 3          |         | 0     |
 | 321178 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 382920 | v1:4     | ethernet2 | 1.1.3.4 | 3          |         | 0     |
 | 606867 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 621880 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 724869 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 750852 | null     | null      | null    | unlabelled |         | 0     |
 | 750853 | v1:4     | ethernet1 | 1.1.2.2 | 179702     |         | 640   |
 | 750854 | v1:4     | ethernet1 | 1.1.2.2 | 179703     |         | 640   |
 | 750855 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 750856 | v1:4     | ethernet2 | 1.1.3.4 | 886170     |         | 1280  |
 | 750857 | null     | null      | null    | unlabelled |         | 0     |
 | 750858 | null     | null      | null    | unlabelled |         | 0     |
 | 750859 | null     | null      | null    | unlabelled |         | 0     |
 | 750860 | null     | null      | null    | unlabelled |         | 0     |
 | 750861 | null     | null      | null    | unlabelled |         | 0     |
 | 801877 | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 839888 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 7649   | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 180272 | null     | null      | null    | unlabelled |         | 0     |
 | 180273 | v1:6     | ethernet1 | 1236::3 | 192045     |         | 0     |
 | 180274 | v1:6     | ethernet1 | 1236::3 | 192046     |         | 0     |
 | 180275 | v1:6     | ethernet1 | 1236::3 | 192047     |         | 0     |
 | 180276 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 180277 | null     | null      | null    | unlabelled |         | 0     |
 | 180278 | null     | null      | null    | unlabelled |         | 0     |
 | 180279 | null     | null      | null    | unlabelled |         | 0     |
 | 180280 | null     | null      | null    | unlabelled |         | 0     |
 | 180281 | null     | null      | null    | unlabelled |         | 0     |
 | 246156 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 250191 | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 | 323533 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 451060 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 528355 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 657848 | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 | 778563 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 796163 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 823679 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 886166 | null     | null      | null    | unlabelled |         | 0     |
 | 886167 | v1:4     | ethernet1 | 1.1.3.3 | 750853     |         | 0     |
 | 886168 | v1:4     | ethernet1 | 1.1.3.3 | 750854     |         | 0     |
 | 886169 | v1:4     | ethernet1 | 1.1.3.3 | 750855     |         | 0     |
 | 886170 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 886171 | null     | null      | null    | unlabelled |         | 0     |
 | 886172 | null     | null      | null    | unlabelled |         | 0     |
 | 886173 | null     | null      | null    | unlabelled |         | 0     |
 | 886174 | null     | null      | null    | unlabelled |         | 0     |
 | 886175 | null     | null      | null    | unlabelled |         | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r4#
r4#