here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 134454 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 298560 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 348079 | null     | null      | null    | unlabelled |         | 0     |
 | 348080 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 348081 | v1:4     | ethernet1 | 1.1.1.2 | 997641     |         | 0     |
 | 348082 | v1:4     | ethernet1 | 1.1.1.2 | 997642     |         | 0     |
 | 348083 | v1:4     | ethernet1 | 1.1.1.2 | 997643     |         | 0     |
 | 348084 | null     | null      | null    | unlabelled |         | 0     |
 | 348085 | null     | null      | null    | unlabelled |         | 0     |
 | 348086 | null     | null      | null    | unlabelled |         | 0     |
 | 348087 | null     | null      | null    | unlabelled |         | 0     |
 | 348088 | null     | null      | null    | unlabelled |         | 0     |
 | 350232 | v1:6     | ethernet1 | 1234::2 | 3          |         | 0     |
 | 380427 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 439209 | null     | null      | null    | unlabelled |         | 0     |
 | 439210 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 439211 | v1:6     | ethernet1 | 1234::2 | 70630      |         | 0     |
 | 439212 | v1:6     | ethernet1 | 1234::2 | 70631      |         | 0     |
 | 439213 | v1:6     | ethernet1 | 1234::2 | 70632      |         | 0     |
 | 439214 | null     | null      | null    | unlabelled |         | 0     |
 | 439215 | null     | null      | null    | unlabelled |         | 0     |
 | 439216 | null     | null      | null    | unlabelled |         | 0     |
 | 439217 | null     | null      | null    | unlabelled |         | 0     |
 | 439218 | null     | null      | null    | unlabelled |         | 0     |
 | 651103 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 771178 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 2200   | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 70628  | null     | null      | null    | unlabelled |         | 0     |
 | 70629  | v1:6     | ethernet1 | 1234::1 | 439210     |         | 1280  |
 | 70630  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 70631  | v1:6     | ethernet2 | 1235::3 | 486922     |         | 640   |
 | 70632  | v1:6     | ethernet2 | 1235::3 | 486923     |         | 640   |
 | 70633  | null     | null      | null    | unlabelled |         | 0     |
 | 70634  | null     | null      | null    | unlabelled |         | 0     |
 | 70635  | null     | null      | null    | unlabelled |         | 0     |
 | 70636  | null     | null      | null    | unlabelled |         | 0     |
 | 70637  | null     | null      | null    | unlabelled |         | 0     |
 | 176920 | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 | 256229 | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 382716 | v1:6     | ethernet1 | 1234::1 | 3          |         | 0     |
 | 418868 | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 | 654847 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 848722 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 902893 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 997639 | null     | null      | null    | unlabelled |         | 0     |
 | 997640 | v1:4     | ethernet1 | 1.1.1.1 | 348080     |         | 1280  |
 | 997641 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 997642 | v1:4     | ethernet2 | 1.1.2.3 | 545939     |         | 640   |
 | 997643 | v1:4     | ethernet2 | 1.1.2.3 | 545940     |         | 640   |
 | 997644 | null     | null      | null    | unlabelled |         | 0     |
 | 997645 | null     | null      | null    | unlabelled |         | 0     |
 | 997646 | null     | null      | null    | unlabelled |         | 0     |
 | 997647 | null     | null      | null    | unlabelled |         | 0     |
 | 997648 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 98987  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 107192 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 271680 | v1:4     | ethernet2 | 1.1.3.4 | 3          |         | 0     |
 | 298200 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 486919 | null     | null      | null    | unlabelled |         | 0     |
 | 486920 | v1:6     | ethernet1 | 1235::2 | 70629      |         | 640   |
 | 486921 | v1:6     | ethernet1 | 1235::2 | 70630      |         | 640   |
 | 486922 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 486923 | v1:6     | ethernet2 | 1236::4 | 672466     |         | 1280  |
 | 486924 | null     | null      | null    | unlabelled |         | 0     |
 | 486925 | null     | null      | null    | unlabelled |         | 0     |
 | 486926 | null     | null      | null    | unlabelled |         | 0     |
 | 486927 | null     | null      | null    | unlabelled |         | 0     |
 | 486928 | null     | null      | null    | unlabelled |         | 0     |
 | 519251 | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 545936 | null     | null      | null    | unlabelled |         | 0     |
 | 545937 | v1:4     | ethernet1 | 1.1.2.2 | 997640     |         | 640   |
 | 545938 | v1:4     | ethernet1 | 1.1.2.2 | 997641     |         | 640   |
 | 545939 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 545940 | v1:4     | ethernet2 | 1.1.3.4 | 905780     |         | 1280  |
 | 545941 | null     | null      | null    | unlabelled |         | 0     |
 | 545942 | null     | null      | null    | unlabelled |         | 0     |
 | 545943 | null     | null      | null    | unlabelled |         | 0     |
 | 545944 | null     | null      | null    | unlabelled |         | 0     |
 | 545945 | null     | null      | null    | unlabelled |         | 0     |
 | 547312 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 823863 | v1:6     | ethernet2 | 1236::4 | 3          |         | 0     |
 | 955652 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 272810 | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 | 354384 | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 | 563641 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 672462 | null     | null      | null    | unlabelled |         | 0     |
 | 672463 | v1:6     | ethernet1 | 1236::3 | 486920     |         | 0     |
 | 672464 | v1:6     | ethernet1 | 1236::3 | 486921     |         | 0     |
 | 672465 | v1:6     | ethernet1 | 1236::3 | 486922     |         | 0     |
 | 672466 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 672467 | null     | null      | null    | unlabelled |         | 0     |
 | 672468 | null     | null      | null    | unlabelled |         | 0     |
 | 672469 | null     | null      | null    | unlabelled |         | 0     |
 | 672470 | null     | null      | null    | unlabelled |         | 0     |
 | 672471 | null     | null      | null    | unlabelled |         | 0     |
 | 783768 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 799208 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 895546 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 905776 | null     | null      | null    | unlabelled |         | 0     |
 | 905777 | v1:4     | ethernet1 | 1.1.3.3 | 545937     |         | 0     |
 | 905778 | v1:4     | ethernet1 | 1.1.3.3 | 545938     |         | 0     |
 | 905779 | v1:4     | ethernet1 | 1.1.3.3 | 545939     |         | 0     |
 | 905780 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 905781 | null     | null      | null    | unlabelled |         | 0     |
 | 905782 | null     | null      | null    | unlabelled |         | 0     |
 | 905783 | null     | null      | null    | unlabelled |         | 0     |
 | 905784 | null     | null      | null    | unlabelled |         | 0     |
 | 905785 | null     | null      | null    | unlabelled |         | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r4#
r4#