here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label   | vrf      | iface     | hop     | label      | targets | bytes |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 68798   | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 137974  | null     | null      | null    | unlabelled |         | 0     |
 | 137975  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 137976  | v1:4     | ethernet1 | 1.1.1.2 | 763427     |         | 0     |
 | 137977  | v1:4     | ethernet1 | 1.1.1.2 | 763428     |         | 0     |
 | 137978  | v1:4     | ethernet1 | 1.1.1.2 | 763429     |         | 0     |
 | 137979  | null     | null      | null    | unlabelled |         | 0     |
 | 137980  | null     | null      | null    | unlabelled |         | 0     |
 | 137981  | null     | null      | null    | unlabelled |         | 0     |
 | 137982  | null     | null      | null    | unlabelled |         | 0     |
 | 137983  | null     | null      | null    | unlabelled |         | 0     |
 | 234373  | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 | 356512  | v1:6     | ethernet1 | 1234::2 | 3          |         | 0     |
 | 389739  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 407114  | null     | null      | null    | unlabelled |         | 0     |
 | 407115  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 407116  | v1:6     | ethernet1 | 1234::2 | 273964     |         | 0     |
 | 407117  | v1:6     | ethernet1 | 1234::2 | 273965     |         | 0     |
 | 407118  | v1:6     | ethernet1 | 1234::2 | 273966     |         | 0     |
 | 407119  | null     | null      | null    | unlabelled |         | 0     |
 | 407120  | null     | null      | null    | unlabelled |         | 0     |
 | 407121  | null     | null      | null    | unlabelled |         | 0     |
 | 407122  | null     | null      | null    | unlabelled |         | 0     |
 | 407123  | null     | null      | null    | unlabelled |         | 0     |
 | 643673  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 690629  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 711272  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 760353  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 919497  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 1038052 | tester:4 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 14026  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 36863  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 173992 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 273962 | null     | null      | null    | unlabelled |         | 0     |
 | 273963 | v1:6     | ethernet1 | 1234::1 | 407115     |         | 1280  |
 | 273964 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 273965 | v1:6     | ethernet2 | 1235::3 | 92611      |         | 640   |
 | 273966 | v1:6     | ethernet2 | 1235::3 | 92612      |         | 640   |
 | 273967 | null     | null      | null    | unlabelled |         | 0     |
 | 273968 | null     | null      | null    | unlabelled |         | 0     |
 | 273969 | null     | null      | null    | unlabelled |         | 0     |
 | 273970 | null     | null      | null    | unlabelled |         | 0     |
 | 273971 | null     | null      | null    | unlabelled |         | 0     |
 | 348024 | v1:6     | ethernet1 | 1234::1 | 3          |         | 0     |
 | 420961 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 451443 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 453449 | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 626551 | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 | 657939 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 705947 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 763425 | null     | null      | null    | unlabelled |         | 0     |
 | 763426 | v1:4     | ethernet1 | 1.1.1.1 | 137975     |         | 1280  |
 | 763427 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 763428 | v1:4     | ethernet2 | 1.1.2.3 | 679012     |         | 640   |
 | 763429 | v1:4     | ethernet2 | 1.1.2.3 | 679013     |         | 640   |
 | 763430 | null     | null      | null    | unlabelled |         | 0     |
 | 763431 | null     | null      | null    | unlabelled |         | 0     |
 | 763432 | null     | null      | null    | unlabelled |         | 0     |
 | 763433 | null     | null      | null    | unlabelled |         | 0     |
 | 763434 | null     | null      | null    | unlabelled |         | 0     |
 | 828435 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 875160 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 41393  | v1:6     | ethernet2 | 1236::4 | 3          |         | 0     |
 | 92608  | null     | null      | null    | unlabelled |         | 0     |
 | 92609  | v1:6     | ethernet1 | 1235::2 | 273963     |         | 640   |
 | 92610  | v1:6     | ethernet1 | 1235::2 | 273964     |         | 640   |
 | 92611  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 92612  | v1:6     | ethernet2 | 1236::4 | 793491     |         | 1280  |
 | 92613  | null     | null      | null    | unlabelled |         | 0     |
 | 92614  | null     | null      | null    | unlabelled |         | 0     |
 | 92615  | null     | null      | null    | unlabelled |         | 0     |
 | 92616  | null     | null      | null    | unlabelled |         | 0     |
 | 92617  | null     | null      | null    | unlabelled |         | 0     |
 | 105426 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 344478 | v1:4     | ethernet2 | 1.1.3.4 | 3          |         | 0     |
 | 404231 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 564930 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 670662 | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 679009 | null     | null      | null    | unlabelled |         | 0     |
 | 679010 | v1:4     | ethernet1 | 1.1.2.2 | 763426     |         | 640   |
 | 679011 | v1:4     | ethernet1 | 1.1.2.2 | 763427     |         | 640   |
 | 679012 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 679013 | v1:4     | ethernet2 | 1.1.3.4 | 505384     |         | 1280  |
 | 679014 | null     | null      | null    | unlabelled |         | 0     |
 | 679015 | null     | null      | null    | unlabelled |         | 0     |
 | 679016 | null     | null      | null    | unlabelled |         | 0     |
 | 679017 | null     | null      | null    | unlabelled |         | 0     |
 | 679018 | null     | null      | null    | unlabelled |         | 0     |
 | 777057 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 803080 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 845177 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 867654 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 883854 | v1:4     | ethernet1 | 1.1.2.2 | 3          |         | 0     |
 | 987502 | v1:6     | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 291149 | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 | 347178 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 390426 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 408719 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 422342 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 435079 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 436541 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 505380 | null     | null      | null    | unlabelled |         | 0     |
 | 505381 | v1:4     | ethernet1 | 1.1.3.3 | 679010     |         | 0     |
 | 505382 | v1:4     | ethernet1 | 1.1.3.3 | 679011     |         | 0     |
 | 505383 | v1:4     | ethernet1 | 1.1.3.3 | 679012     |         | 0     |
 | 505384 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 505385 | null     | null      | null    | unlabelled |         | 0     |
 | 505386 | null     | null      | null    | unlabelled |         | 0     |
 | 505387 | null     | null      | null    | unlabelled |         | 0     |
 | 505388 | null     | null      | null    | unlabelled |         | 0     |
 | 505389 | null     | null      | null    | unlabelled |         | 0     |
 | 528133 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 793487 | null     | null      | null    | unlabelled |         | 0     |
 | 793488 | v1:6     | ethernet1 | 1236::3 | 92609      |         | 0     |
 | 793489 | v1:6     | ethernet1 | 1236::3 | 92610      |         | 0     |
 | 793490 | v1:6     | ethernet1 | 1236::3 | 92611      |         | 0     |
 | 793491 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 793492 | null     | null      | null    | unlabelled |         | 0     |
 | 793493 | null     | null      | null    | unlabelled |         | 0     |
 | 793494 | null     | null      | null    | unlabelled |         | 0     |
 | 793495 | null     | null      | null    | unlabelled |         | 0     |
 | 793496 | null     | null      | null    | unlabelled |         | 0     |
 | 817457 | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 | 856187 | tester:4 | null      | null    | unlabelled | local   | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r4#
r4#