here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 14851  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 238272 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 258897 | null     | null      | null    | unlabelled |         | 0     |
 | 258898 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 258899 | v1:4     | ethernet1 | 1.1.1.2 | 54870      |         | 0     |
 | 258900 | v1:4     | ethernet1 | 1.1.1.2 | 54871      |         | 0     |
 | 258901 | v1:4     | ethernet1 | 1.1.1.2 | 54872      |         | 0     |
 | 258902 | null     | null      | null    | unlabelled |         | 0     |
 | 258903 | null     | null      | null    | unlabelled |         | 0     |
 | 258904 | null     | null      | null    | unlabelled |         | 0     |
 | 258905 | null     | null      | null    | unlabelled |         | 0     |
 | 258906 | null     | null      | null    | unlabelled |         | 0     |
 | 268308 | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 | 389119 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 556679 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 759073 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 820176 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 823005 | null     | null      | null    | unlabelled |         | 0     |
 | 823006 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 823007 | v1:6     | ethernet1 | 1234::2 | 619784     |         | 0     |
 | 823008 | v1:6     | ethernet1 | 1234::2 | 619785     |         | 0     |
 | 823009 | v1:6     | ethernet1 | 1234::2 | 619786     |         | 0     |
 | 823010 | null     | null      | null    | unlabelled |         | 0     |
 | 823011 | null     | null      | null    | unlabelled |         | 0     |
 | 823012 | null     | null      | null    | unlabelled |         | 0     |
 | 823013 | null     | null      | null    | unlabelled |         | 0     |
 | 823014 | null     | null      | null    | unlabelled |         | 0     |
 | 881173 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 885095 | v1:6     | ethernet1 | 1234::2 | 3          |         | 0     |
 | 939339 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 23544  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 33552  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 54868  | null     | null      | null    | unlabelled |         | 0     |
 | 54869  | v1:4     | ethernet1 | 1.1.1.1 | 258898     |         | 1280  |
 | 54870  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 54871  | v1:4     | ethernet2 | 1.1.2.3 | 1038242    |         | 640   |
 | 54872  | v1:4     | ethernet2 | 1.1.2.3 | 1038243    |         | 640   |
 | 54873  | null     | null      | null    | unlabelled |         | 0     |
 | 54874  | null     | null      | null    | unlabelled |         | 0     |
 | 54875  | null     | null      | null    | unlabelled |         | 0     |
 | 54876  | null     | null      | null    | unlabelled |         | 0     |
 | 54877  | null     | null      | null    | unlabelled |         | 0     |
 | 69381  | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 169679 | v1:6     | ethernet1 | 1234::1 | 3          |         | 0     |
 | 190412 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 205877 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 236604 | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 | 274663 | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 | 459306 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 470087 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 619782 | null     | null      | null    | unlabelled |         | 0     |
 | 619783 | v1:6     | ethernet1 | 1234::1 | 823006     |         | 1280  |
 | 619784 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 619785 | v1:6     | ethernet2 | 1235::3 | 697510     |         | 640   |
 | 619786 | v1:6     | ethernet2 | 1235::3 | 697511     |         | 640   |
 | 619787 | null     | null      | null    | unlabelled |         | 0     |
 | 619788 | null     | null      | null    | unlabelled |         | 0     |
 | 619789 | null     | null      | null    | unlabelled |         | 0     |
 | 619790 | null     | null      | null    | unlabelled |         | 0     |
 | 619791 | null     | null      | null    | unlabelled |         | 0     |
 | 668818 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 866706 | 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 |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 219130  | v1:6     | ethernet2 | 1236::4 | 3          |         | 0     |
 | 250854  | v1:4     | ethernet2 | 1.1.3.4 | 3          |         | 0     |
 | 281598  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 329702  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 697507  | null     | null      | null    | unlabelled |         | 0     |
 | 697508  | v1:6     | ethernet1 | 1235::2 | 619783     |         | 640   |
 | 697509  | v1:6     | ethernet1 | 1235::2 | 619784     |         | 640   |
 | 697510  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 697511  | v1:6     | ethernet2 | 1236::4 | 229886     |         | 1280  |
 | 697512  | null     | null      | null    | unlabelled |         | 0     |
 | 697513  | null     | null      | null    | unlabelled |         | 0     |
 | 697514  | null     | null      | null    | unlabelled |         | 0     |
 | 697515  | null     | null      | null    | unlabelled |         | 0     |
 | 697516  | null     | null      | null    | unlabelled |         | 0     |
 | 737819  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 744407  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 772827  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 786803  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 831356  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 848171  | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 992387  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 1014639 | v1:4     | ethernet1 | 1.1.2.2 | 3          |         | 0     |
 | 1038239 | null     | null      | null    | unlabelled |         | 0     |
 | 1038240 | v1:4     | ethernet1 | 1.1.2.2 | 54869      |         | 640   |
 | 1038241 | v1:4     | ethernet1 | 1.1.2.2 | 54870      |         | 640   |
 | 1038242 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 1038243 | v1:4     | ethernet2 | 1.1.3.4 | 489214     |         | 1280  |
 | 1038244 | null     | null      | null    | unlabelled |         | 0     |
 | 1038245 | null     | null      | null    | unlabelled |         | 0     |
 | 1038246 | null     | null      | null    | unlabelled |         | 0     |
 | 1038247 | null     | null      | null    | unlabelled |         | 0     |
 | 1038248 | null     | null      | null    | unlabelled |         | 0     |
 |_________|__________|___________|_________|____________|_________|_______|
r3#
r3#
here is the lib:
r4#
r4#
r4#show mpls forw
r4#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 129649 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 136870 | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 | 229882 | null     | null      | null    | unlabelled |         | 0     |
 | 229883 | v1:6     | ethernet1 | 1236::3 | 697508     |         | 0     |
 | 229884 | v1:6     | ethernet1 | 1236::3 | 697509     |         | 0     |
 | 229885 | v1:6     | ethernet1 | 1236::3 | 697510     |         | 0     |
 | 229886 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 229887 | null     | null      | null    | unlabelled |         | 0     |
 | 229888 | null     | null      | null    | unlabelled |         | 0     |
 | 229889 | null     | null      | null    | unlabelled |         | 0     |
 | 229890 | null     | null      | null    | unlabelled |         | 0     |
 | 229891 | null     | null      | null    | unlabelled |         | 0     |
 | 321996 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 473139 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 489210 | null     | null      | null    | unlabelled |         | 0     |
 | 489211 | v1:4     | ethernet1 | 1.1.3.3 | 1038240    |         | 0     |
 | 489212 | v1:4     | ethernet1 | 1.1.3.3 | 1038241    |         | 0     |
 | 489213 | v1:4     | ethernet1 | 1.1.3.3 | 1038242    |         | 0     |
 | 489214 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 489215 | null     | null      | null    | unlabelled |         | 0     |
 | 489216 | null     | null      | null    | unlabelled |         | 0     |
 | 489217 | null     | null      | null    | unlabelled |         | 0     |
 | 489218 | null     | null      | null    | unlabelled |         | 0     |
 | 489219 | null     | null      | null    | unlabelled |         | 0     |
 | 542266 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 543997 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 738190 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 789980 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 928344 | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 | 931068 | tester:6 | null      | null    | unlabelled | local   | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r4#
r4#