here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 889    | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 35978  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 150285 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 194538 | v1:6     | ethernet1 | 1234::2 | 3          |         | 0     |
 | 194635 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 296513 | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 | 299105 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 445417 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 689473 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 737846 | null     | null      | null    | unlabelled |         | 0     |
 | 737847 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 737848 | v1:6     | ethernet1 | 1234::2 | 403059     |         | 0     |
 | 737849 | v1:6     | ethernet1 | 1234::2 | 403060     |         | 0     |
 | 737850 | v1:6     | ethernet1 | 1234::2 | 403061     |         | 0     |
 | 737851 | null     | null      | null    | unlabelled |         | 0     |
 | 737852 | null     | null      | null    | unlabelled |         | 0     |
 | 737853 | null     | null      | null    | unlabelled |         | 0     |
 | 737854 | null     | null      | null    | unlabelled |         | 0     |
 | 737855 | null     | null      | null    | unlabelled |         | 0     |
 | 774312 | null     | null      | null    | unlabelled |         | 0     |
 | 774313 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 774314 | v1:4     | ethernet1 | 1.1.1.2 | 990540     |         | 0     |
 | 774315 | v1:4     | ethernet1 | 1.1.1.2 | 990541     |         | 0     |
 | 774316 | v1:4     | ethernet1 | 1.1.1.2 | 990542     |         | 0     |
 | 774317 | null     | null      | null    | unlabelled |         | 0     |
 | 774318 | null     | null      | null    | unlabelled |         | 0     |
 | 774319 | null     | null      | null    | unlabelled |         | 0     |
 | 774320 | null     | null      | null    | unlabelled |         | 0     |
 | 774321 | null     | null      | null    | unlabelled |         | 0     |
 | 952451 | 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 |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 46061   | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 114008  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 131913  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 256128  | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 | 364083  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 403057  | null     | null      | null    | unlabelled |         | 0     |
 | 403058  | v1:6     | ethernet1 | 1234::1 | 737847     |         | 1280  |
 | 403059  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 403060  | v1:6     | ethernet2 | 1235::3 | 52948      |         | 640   |
 | 403061  | v1:6     | ethernet2 | 1235::3 | 52949      |         | 640   |
 | 403062  | null     | null      | null    | unlabelled |         | 0     |
 | 403063  | null     | null      | null    | unlabelled |         | 0     |
 | 403064  | null     | null      | null    | unlabelled |         | 0     |
 | 403065  | null     | null      | null    | unlabelled |         | 0     |
 | 403066  | null     | null      | null    | unlabelled |         | 0     |
 | 489903  | v1:6     | ethernet1 | 1234::1 | 3          |         | 0     |
 | 673969  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 683217  | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 | 710886  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 889023  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 990538  | null     | null      | null    | unlabelled |         | 0     |
 | 990539  | v1:4     | ethernet1 | 1.1.1.1 | 774313     |         | 1280  |
 | 990540  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 990541  | v1:4     | ethernet2 | 1.1.2.3 | 885823     |         | 640   |
 | 990542  | v1:4     | ethernet2 | 1.1.2.3 | 885824     |         | 640   |
 | 990543  | null     | null      | null    | unlabelled |         | 0     |
 | 990544  | null     | null      | null    | unlabelled |         | 0     |
 | 990545  | null     | null      | null    | unlabelled |         | 0     |
 | 990546  | null     | null      | null    | unlabelled |         | 0     |
 | 990547  | null     | null      | null    | unlabelled |         | 0     |
 | 997197  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 1014818 | v1:6     | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 52945  | null     | null      | null    | unlabelled |         | 0     |
 | 52946  | v1:6     | ethernet1 | 1235::2 | 403058     |         | 640   |
 | 52947  | v1:6     | ethernet1 | 1235::2 | 403059     |         | 640   |
 | 52948  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 52949  | v1:6     | ethernet2 | 1236::4 | 186232     |         | 1280  |
 | 52950  | null     | null      | null    | unlabelled |         | 0     |
 | 52951  | null     | null      | null    | unlabelled |         | 0     |
 | 52952  | null     | null      | null    | unlabelled |         | 0     |
 | 52953  | null     | null      | null    | unlabelled |         | 0     |
 | 52954  | null     | null      | null    | unlabelled |         | 0     |
 | 545466 | v1:4     | ethernet2 | 1.1.3.4 | 3          |         | 0     |
 | 604724 | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 634141 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 644111 | v1:6     | ethernet2 | 1236::4 | 3          |         | 0     |
 | 679785 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 756541 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 775641 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 776853 | v1:4     | ethernet1 | 1.1.2.2 | 3          |         | 0     |
 | 846591 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 885820 | null     | null      | null    | unlabelled |         | 0     |
 | 885821 | v1:4     | ethernet1 | 1.1.2.2 | 990539     |         | 640   |
 | 885822 | v1:4     | ethernet1 | 1.1.2.2 | 990540     |         | 640   |
 | 885823 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 885824 | v1:4     | ethernet2 | 1.1.3.4 | 687112     |         | 1280  |
 | 885825 | null     | null      | null    | unlabelled |         | 0     |
 | 885826 | null     | null      | null    | unlabelled |         | 0     |
 | 885827 | null     | null      | null    | unlabelled |         | 0     |
 | 885828 | null     | null      | null    | unlabelled |         | 0     |
 | 885829 | null     | null      | null    | unlabelled |         | 0     |
 | 897566 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 906207 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 995619 | 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 |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 38189   | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 57138   | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 | 168494  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 186228  | null     | null      | null    | unlabelled |         | 0     |
 | 186229  | v1:6     | ethernet1 | 1236::3 | 52946      |         | 0     |
 | 186230  | v1:6     | ethernet1 | 1236::3 | 52947      |         | 0     |
 | 186231  | v1:6     | ethernet1 | 1236::3 | 52948      |         | 0     |
 | 186232  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 186233  | null     | null      | null    | unlabelled |         | 0     |
 | 186234  | null     | null      | null    | unlabelled |         | 0     |
 | 186235  | null     | null      | null    | unlabelled |         | 0     |
 | 186236  | null     | null      | null    | unlabelled |         | 0     |
 | 186237  | null     | null      | null    | unlabelled |         | 0     |
 | 264619  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 269814  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 273965  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 274309  | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 | 687108  | null     | null      | null    | unlabelled |         | 0     |
 | 687109  | v1:4     | ethernet1 | 1.1.3.3 | 885821     |         | 0     |
 | 687110  | v1:4     | ethernet1 | 1.1.3.3 | 885822     |         | 0     |
 | 687111  | v1:4     | ethernet1 | 1.1.3.3 | 885823     |         | 0     |
 | 687112  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 687113  | null     | null      | null    | unlabelled |         | 0     |
 | 687114  | null     | null      | null    | unlabelled |         | 0     |
 | 687115  | null     | null      | null    | unlabelled |         | 0     |
 | 687116  | null     | null      | null    | unlabelled |         | 0     |
 | 687117  | null     | null      | null    | unlabelled |         | 0     |
 | 704762  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 787491  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 1000294 | v1:6     | null      | null    | unlabelled | local   | 0     |
 |_________|__________|___________|_________|____________|_________|_______|
r4#
r4#