here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label   | vrf      | iface     | hop     | label      | targets | bytes |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 92786   | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 117993  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 197683  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 216569  | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 | 343177  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 354853  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 456444  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 514708  | null     | null      | null    | unlabelled |         | 0     |
 | 514709  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 514710  | v1:6     | ethernet1 | 1234::2 | 771991     |         | 0     |
 | 514711  | v1:6     | ethernet1 | 1234::2 | 771992     |         | 0     |
 | 514712  | v1:6     | ethernet1 | 1234::2 | 771993     |         | 0     |
 | 514713  | null     | null      | null    | unlabelled |         | 0     |
 | 514714  | null     | null      | null    | unlabelled |         | 0     |
 | 514715  | null     | null      | null    | unlabelled |         | 0     |
 | 514716  | null     | null      | null    | unlabelled |         | 0     |
 | 514717  | null     | null      | null    | unlabelled |         | 0     |
 | 601783  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 735597  | v1:6     | ethernet1 | 1234::2 | 3          |         | 0     |
 | 907811  | null     | null      | null    | unlabelled |         | 0     |
 | 907812  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 907813  | v1:4     | ethernet1 | 1.1.1.2 | 254569     |         | 0     |
 | 907814  | v1:4     | ethernet1 | 1.1.1.2 | 254570     |         | 0     |
 | 907815  | v1:4     | ethernet1 | 1.1.1.2 | 254571     |         | 0     |
 | 907816  | null     | null      | null    | unlabelled |         | 0     |
 | 907817  | null     | null      | null    | unlabelled |         | 0     |
 | 907818  | null     | null      | null    | unlabelled |         | 0     |
 | 907819  | null     | null      | null    | unlabelled |         | 0     |
 | 907820  | null     | null      | null    | unlabelled |         | 0     |
 | 1028424 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 12216  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 40790  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 225764 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 254567 | null     | null      | null    | unlabelled |         | 0     |
 | 254568 | v1:4     | ethernet1 | 1.1.1.1 | 907812     |         | 1280  |
 | 254569 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 254570 | v1:4     | ethernet2 | 1.1.2.3 | 665014     |         | 640   |
 | 254571 | v1:4     | ethernet2 | 1.1.2.3 | 665015     |         | 640   |
 | 254572 | null     | null      | null    | unlabelled |         | 0     |
 | 254573 | null     | null      | null    | unlabelled |         | 0     |
 | 254574 | null     | null      | null    | unlabelled |         | 0     |
 | 254575 | null     | null      | null    | unlabelled |         | 0     |
 | 254576 | null     | null      | null    | unlabelled |         | 0     |
 | 463714 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 525918 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 565237 | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 | 574064 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 681115 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 712361 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 726881 | v1:6     | ethernet1 | 1234::1 | 3          |         | 0     |
 | 735976 | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 771989 | null     | null      | null    | unlabelled |         | 0     |
 | 771990 | v1:6     | ethernet1 | 1234::1 | 514709     |         | 1280  |
 | 771991 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 771992 | v1:6     | ethernet2 | 1235::3 | 397208     |         | 640   |
 | 771993 | v1:6     | ethernet2 | 1235::3 | 397209     |         | 640   |
 | 771994 | null     | null      | null    | unlabelled |         | 0     |
 | 771995 | null     | null      | null    | unlabelled |         | 0     |
 | 771996 | null     | null      | null    | unlabelled |         | 0     |
 | 771997 | null     | null      | null    | unlabelled |         | 0     |
 | 771998 | null     | null      | null    | unlabelled |         | 0     |
 | 913341 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 157666 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 210862 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 211199 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 236528 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 291848 | v1:6     | ethernet2 | 1236::4 | 3          |         | 0     |
 | 315878 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 316587 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 381943 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 397205 | null     | null      | null    | unlabelled |         | 0     |
 | 397206 | v1:6     | ethernet1 | 1235::2 | 771990     |         | 640   |
 | 397207 | v1:6     | ethernet1 | 1235::2 | 771991     |         | 640   |
 | 397208 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 397209 | v1:6     | ethernet2 | 1236::4 | 728291     |         | 1280  |
 | 397210 | null     | null      | null    | unlabelled |         | 0     |
 | 397211 | null     | null      | null    | unlabelled |         | 0     |
 | 397212 | null     | null      | null    | unlabelled |         | 0     |
 | 397213 | null     | null      | null    | unlabelled |         | 0     |
 | 397214 | null     | null      | null    | unlabelled |         | 0     |
 | 622165 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 660719 | v1:4     | ethernet2 | 1.1.3.4 | 3          |         | 0     |
 | 665011 | null     | null      | null    | unlabelled |         | 0     |
 | 665012 | v1:4     | ethernet1 | 1.1.2.2 | 254568     |         | 640   |
 | 665013 | v1:4     | ethernet1 | 1.1.2.2 | 254569     |         | 640   |
 | 665014 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 665015 | v1:4     | ethernet2 | 1.1.3.4 | 621763     |         | 1280  |
 | 665016 | null     | null      | null    | unlabelled |         | 0     |
 | 665017 | null     | null      | null    | unlabelled |         | 0     |
 | 665018 | null     | null      | null    | unlabelled |         | 0     |
 | 665019 | null     | null      | null    | unlabelled |         | 0     |
 | 665020 | null     | null      | null    | unlabelled |         | 0     |
 | 708605 | v1:4     | ethernet1 | 1.1.2.2 | 3          |         | 0     |
 | 945489 | v1:6     | ethernet1 | 1235::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 |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 62523   | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 184226  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 224233  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 311286  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 425575  | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 | 469243  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 621759  | null     | null      | null    | unlabelled |         | 0     |
 | 621760  | v1:4     | ethernet1 | 1.1.3.3 | 665012     |         | 0     |
 | 621761  | v1:4     | ethernet1 | 1.1.3.3 | 665013     |         | 0     |
 | 621762  | v1:4     | ethernet1 | 1.1.3.3 | 665014     |         | 0     |
 | 621763  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 621764  | null     | null      | null    | unlabelled |         | 0     |
 | 621765  | null     | null      | null    | unlabelled |         | 0     |
 | 621766  | null     | null      | null    | unlabelled |         | 0     |
 | 621767  | null     | null      | null    | unlabelled |         | 0     |
 | 621768  | null     | null      | null    | unlabelled |         | 0     |
 | 688552  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 718459  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 728287  | null     | null      | null    | unlabelled |         | 0     |
 | 728288  | v1:6     | ethernet1 | 1236::3 | 397206     |         | 0     |
 | 728289  | v1:6     | ethernet1 | 1236::3 | 397207     |         | 0     |
 | 728290  | v1:6     | ethernet1 | 1236::3 | 397208     |         | 0     |
 | 728291  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 728292  | null     | null      | null    | unlabelled |         | 0     |
 | 728293  | null     | null      | null    | unlabelled |         | 0     |
 | 728294  | null     | null      | null    | unlabelled |         | 0     |
 | 728295  | null     | null      | null    | unlabelled |         | 0     |
 | 728296  | null     | null      | null    | unlabelled |         | 0     |
 | 1002701 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 1033227 | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 |_________|__________|___________|_________|____________|_________|_______|
r4#
r4#