here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 12773  | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 | 59258  | v1:6     | ethernet1 | 1234::2 | 3          |         | 0     |
 | 74407  | null     | null      | null    | unlabelled |         | 0     |
 | 74408  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 74409  | v1:4     | ethernet1 | 1.1.1.2 | 1032169    |         | 0     |
 | 74410  | v1:4     | ethernet1 | 1.1.1.2 | 1032170    |         | 0     |
 | 74411  | v1:4     | ethernet1 | 1.1.1.2 | 1032171    |         | 0     |
 | 74412  | null     | null      | null    | unlabelled |         | 0     |
 | 74413  | null     | null      | null    | unlabelled |         | 0     |
 | 74414  | null     | null      | null    | unlabelled |         | 0     |
 | 74415  | null     | null      | null    | unlabelled |         | 0     |
 | 74416  | null     | null      | null    | unlabelled |         | 0     |
 | 95907  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 241770 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 297397 | null     | null      | null    | unlabelled |         | 0     |
 | 297398 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 297399 | v1:6     | ethernet1 | 1234::2 | 795660     |         | 0     |
 | 297400 | v1:6     | ethernet1 | 1234::2 | 795661     |         | 0     |
 | 297401 | v1:6     | ethernet1 | 1234::2 | 795662     |         | 0     |
 | 297402 | null     | null      | null    | unlabelled |         | 0     |
 | 297403 | null     | null      | null    | unlabelled |         | 0     |
 | 297404 | null     | null      | null    | unlabelled |         | 0     |
 | 297405 | null     | null      | null    | unlabelled |         | 0     |
 | 297406 | null     | null      | null    | unlabelled |         | 0     |
 | 341226 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 660272 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 711122 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 858732 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 862716 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 937442 | 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 |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 54165   | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 56720   | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 85543   | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 | 104570  | v1:6     | ethernet1 | 1234::1 | 3          |         | 0     |
 | 200780  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 245533  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 745803  | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 | 795658  | null     | null      | null    | unlabelled |         | 0     |
 | 795659  | v1:6     | ethernet1 | 1234::1 | 297398     |         | 1280  |
 | 795660  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 795661  | v1:6     | ethernet2 | 1235::3 | 371653     |         | 640   |
 | 795662  | v1:6     | ethernet2 | 1235::3 | 371654     |         | 640   |
 | 795663  | null     | null      | null    | unlabelled |         | 0     |
 | 795664  | null     | null      | null    | unlabelled |         | 0     |
 | 795665  | null     | null      | null    | unlabelled |         | 0     |
 | 795666  | null     | null      | null    | unlabelled |         | 0     |
 | 795667  | null     | null      | null    | unlabelled |         | 0     |
 | 876651  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 924412  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 978737  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 1000832 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 1015408 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 1032167 | null     | null      | null    | unlabelled |         | 0     |
 | 1032168 | v1:4     | ethernet1 | 1.1.1.1 | 74408      |         | 1280  |
 | 1032169 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 1032170 | v1:4     | ethernet2 | 1.1.2.3 | 931125     |         | 640   |
 | 1032171 | v1:4     | ethernet2 | 1.1.2.3 | 931126     |         | 640   |
 | 1032172 | null     | null      | null    | unlabelled |         | 0     |
 | 1032173 | null     | null      | null    | unlabelled |         | 0     |
 | 1032174 | null     | null      | null    | unlabelled |         | 0     |
 | 1032175 | null     | null      | null    | unlabelled |         | 0     |
 | 1032176 | null     | null      | null    | unlabelled |         | 0     |
 |_________|__________|___________|_________|____________|_________|_______|
r2#
r2#
here is the lib:
r3#
r3#
r3#show mpls forw
r3#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 32665  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 177001 | v1:6     | ethernet2 | 1236::4 | 3          |         | 0     |
 | 200963 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 210708 | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 263466 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 371650 | null     | null      | null    | unlabelled |         | 0     |
 | 371651 | v1:6     | ethernet1 | 1235::2 | 795659     |         | 640   |
 | 371652 | v1:6     | ethernet1 | 1235::2 | 795660     |         | 640   |
 | 371653 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 371654 | v1:6     | ethernet2 | 1236::4 | 682114     |         | 1280  |
 | 371655 | null     | null      | null    | unlabelled |         | 0     |
 | 371656 | null     | null      | null    | unlabelled |         | 0     |
 | 371657 | null     | null      | null    | unlabelled |         | 0     |
 | 371658 | null     | null      | null    | unlabelled |         | 0     |
 | 371659 | null     | null      | null    | unlabelled |         | 0     |
 | 378227 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 496896 | v1:4     | ethernet1 | 1.1.2.2 | 3          |         | 0     |
 | 542983 | v1:4     | ethernet2 | 1.1.3.4 | 3          |         | 0     |
 | 678423 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 749117 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 931122 | null     | null      | null    | unlabelled |         | 0     |
 | 931123 | v1:4     | ethernet1 | 1.1.2.2 | 1032168    |         | 640   |
 | 931124 | v1:4     | ethernet1 | 1.1.2.2 | 1032169    |         | 640   |
 | 931125 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 931126 | v1:4     | ethernet2 | 1.1.3.4 | 987852     |         | 1280  |
 | 931127 | null     | null      | null    | unlabelled |         | 0     |
 | 931128 | null     | null      | null    | unlabelled |         | 0     |
 | 931129 | null     | null      | null    | unlabelled |         | 0     |
 | 931130 | null     | null      | null    | unlabelled |         | 0     |
 | 931131 | null     | null      | null    | unlabelled |         | 0     |
 | 947542 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 956678 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 32161  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 107838 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 267489 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 372637 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 441910 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 530165 | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 | 682110 | null     | null      | null    | unlabelled |         | 0     |
 | 682111 | v1:6     | ethernet1 | 1236::3 | 371651     |         | 0     |
 | 682112 | v1:6     | ethernet1 | 1236::3 | 371652     |         | 0     |
 | 682113 | v1:6     | ethernet1 | 1236::3 | 371653     |         | 0     |
 | 682114 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 682115 | null     | null      | null    | unlabelled |         | 0     |
 | 682116 | null     | null      | null    | unlabelled |         | 0     |
 | 682117 | null     | null      | null    | unlabelled |         | 0     |
 | 682118 | null     | null      | null    | unlabelled |         | 0     |
 | 682119 | null     | null      | null    | unlabelled |         | 0     |
 | 694835 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 762683 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 901808 | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 | 936852 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 987848 | null     | null      | null    | unlabelled |         | 0     |
 | 987849 | v1:4     | ethernet1 | 1.1.3.3 | 931123     |         | 0     |
 | 987850 | v1:4     | ethernet1 | 1.1.3.3 | 931124     |         | 0     |
 | 987851 | v1:4     | ethernet1 | 1.1.3.3 | 931125     |         | 0     |
 | 987852 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 987853 | null     | null      | null    | unlabelled |         | 0     |
 | 987854 | null     | null      | null    | unlabelled |         | 0     |
 | 987855 | null     | null      | null    | unlabelled |         | 0     |
 | 987856 | null     | null      | null    | unlabelled |         | 0     |
 | 987857 | null     | null      | null    | unlabelled |         | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r4#
r4#