here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 184491 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 243117 | null     | null      | null    | unlabelled |         | 0     |
 | 243118 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 243119 | v1:6     | ethernet1 | 1234::2 | 433662     |         | 0     |
 | 243120 | v1:6     | ethernet1 | 1234::2 | 433663     |         | 0     |
 | 243121 | v1:6     | ethernet1 | 1234::2 | 433664     |         | 0     |
 | 243122 | null     | null      | null    | unlabelled |         | 0     |
 | 243123 | null     | null      | null    | unlabelled |         | 0     |
 | 243124 | null     | null      | null    | unlabelled |         | 0     |
 | 243125 | null     | null      | null    | unlabelled |         | 0     |
 | 243126 | null     | null      | null    | unlabelled |         | 0     |
 | 363508 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 391832 | null     | null      | null    | unlabelled |         | 0     |
 | 391833 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 391834 | v1:4     | ethernet1 | 1.1.1.2 | 845319     |         | 0     |
 | 391835 | v1:4     | ethernet1 | 1.1.1.2 | 845320     |         | 0     |
 | 391836 | v1:4     | ethernet1 | 1.1.1.2 | 845321     |         | 0     |
 | 391837 | null     | null      | null    | unlabelled |         | 0     |
 | 391838 | null     | null      | null    | unlabelled |         | 0     |
 | 391839 | null     | null      | null    | unlabelled |         | 0     |
 | 391840 | null     | null      | null    | unlabelled |         | 0     |
 | 391841 | null     | null      | null    | unlabelled |         | 0     |
 | 565394 | v1:6     | ethernet1 | 1234::2 | 3          |         | 0     |
 | 694648 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 715184 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 998443 | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r1#
r1#
here is the lib:
r2#
r2#
r2#show mpls forw
r2#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 3716   | v1:6     | ethernet1 | 1234::1 | 3          |         | 0     |
 | 309176 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 433660 | null     | null      | null    | unlabelled |         | 0     |
 | 433661 | v1:6     | ethernet1 | 1234::1 | 243118     |         | 1280  |
 | 433662 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 433663 | v1:6     | ethernet2 | 1235::3 | 955781     |         | 640   |
 | 433664 | v1:6     | ethernet2 | 1235::3 | 955782     |         | 640   |
 | 433665 | null     | null      | null    | unlabelled |         | 0     |
 | 433666 | null     | null      | null    | unlabelled |         | 0     |
 | 433667 | null     | null      | null    | unlabelled |         | 0     |
 | 433668 | null     | null      | null    | unlabelled |         | 0     |
 | 433669 | null     | null      | null    | unlabelled |         | 0     |
 | 512554 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 799914 | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 | 830479 | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 845317 | null     | null      | null    | unlabelled |         | 0     |
 | 845318 | v1:4     | ethernet1 | 1.1.1.1 | 391833     |         | 1280  |
 | 845319 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 845320 | v1:4     | ethernet2 | 1.1.2.3 | 583425     |         | 640   |
 | 845321 | v1:4     | ethernet2 | 1.1.2.3 | 583426     |         | 640   |
 | 845322 | null     | null      | null    | unlabelled |         | 0     |
 | 845323 | null     | null      | null    | unlabelled |         | 0     |
 | 845324 | null     | null      | null    | unlabelled |         | 0     |
 | 845325 | null     | null      | null    | unlabelled |         | 0     |
 | 845326 | null     | null      | null    | unlabelled |         | 0     |
 | 878728 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 901227 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 940121 | v1:6     | ethernet2 | 1235::3 | 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 |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 164308  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 340721  | v1:4     | ethernet2 | 1.1.3.4 | 3          |         | 0     |
 | 454815  | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 515885  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 583422  | null     | null      | null    | unlabelled |         | 0     |
 | 583423  | v1:4     | ethernet1 | 1.1.2.2 | 845318     |         | 640   |
 | 583424  | v1:4     | ethernet1 | 1.1.2.2 | 845319     |         | 640   |
 | 583425  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 583426  | v1:4     | ethernet2 | 1.1.3.4 | 199047     |         | 1280  |
 | 583427  | null     | null      | null    | unlabelled |         | 0     |
 | 583428  | null     | null      | null    | unlabelled |         | 0     |
 | 583429  | null     | null      | null    | unlabelled |         | 0     |
 | 583430  | null     | null      | null    | unlabelled |         | 0     |
 | 583431  | null     | null      | null    | unlabelled |         | 0     |
 | 935673  | v1:6     | ethernet2 | 1236::4 | 3          |         | 0     |
 | 955778  | null     | null      | null    | unlabelled |         | 0     |
 | 955779  | v1:6     | ethernet1 | 1235::2 | 433661     |         | 640   |
 | 955780  | v1:6     | ethernet1 | 1235::2 | 433662     |         | 640   |
 | 955781  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 955782  | v1:6     | ethernet2 | 1236::4 | 1033766    |         | 1280  |
 | 955783  | null     | null      | null    | unlabelled |         | 0     |
 | 955784  | null     | null      | null    | unlabelled |         | 0     |
 | 955785  | null     | null      | null    | unlabelled |         | 0     |
 | 955786  | null     | null      | null    | unlabelled |         | 0     |
 | 955787  | null     | null      | null    | unlabelled |         | 0     |
 | 962777  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 962933  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 1000828 | v1:4     | ethernet1 | 1.1.2.2 | 3          |         | 0     |
 |_________|__________|___________|_________|____________|_________|_______|
r3#
r3#
here is the lib:
r4#
r4#
r4#show mpls forw
r4#show mpls forw
 |~~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label   | vrf      | iface     | hop     | label      | targets | bytes |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 14499   | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 136294  | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 | 199043  | null     | null      | null    | unlabelled |         | 0     |
 | 199044  | v1:4     | ethernet1 | 1.1.3.3 | 583423     |         | 0     |
 | 199045  | v1:4     | ethernet1 | 1.1.3.3 | 583424     |         | 0     |
 | 199046  | v1:4     | ethernet1 | 1.1.3.3 | 583425     |         | 0     |
 | 199047  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 199048  | null     | null      | null    | unlabelled |         | 0     |
 | 199049  | null     | null      | null    | unlabelled |         | 0     |
 | 199050  | null     | null      | null    | unlabelled |         | 0     |
 | 199051  | null     | null      | null    | unlabelled |         | 0     |
 | 199052  | null     | null      | null    | unlabelled |         | 0     |
 | 662972  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 769961  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 822383  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 893935  | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 | 1033762 | null     | null      | null    | unlabelled |         | 0     |
 | 1033763 | v1:6     | ethernet1 | 1236::3 | 955779     |         | 0     |
 | 1033764 | v1:6     | ethernet1 | 1236::3 | 955780     |         | 0     |
 | 1033765 | v1:6     | ethernet1 | 1236::3 | 955781     |         | 0     |
 | 1033766 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 1033767 | null     | null      | null    | unlabelled |         | 0     |
 | 1033768 | null     | null      | null    | unlabelled |         | 0     |
 | 1033769 | null     | null      | null    | unlabelled |         | 0     |
 | 1033770 | null     | null      | null    | unlabelled |         | 0     |
 | 1033771 | null     | null      | null    | unlabelled |         | 0     |
 |_________|__________|___________|_________|____________|_________|_______|
r4#
r4#