here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
2024-02-02 05:34:48.362
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 13944  | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 | 72321  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 79040  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 464912 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 524407 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 725171 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 773013 | null     | null      | null    | unlabelled |         | 0     |
 | 773014 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 773015 | v1:6     | ethernet1 | 1234::2 | 443935     |         | 0     |
 | 773016 | v1:6     | ethernet1 | 1234::2 | 443936     |         | 0     |
 | 773017 | v1:6     | ethernet1 | 1234::2 | 443937     |         | 0     |
 | 773018 | null     | null      | null    | unlabelled |         | 0     |
 | 773019 | null     | null      | null    | unlabelled |         | 0     |
 | 773020 | null     | null      | null    | unlabelled |         | 0     |
 | 773021 | null     | null      | null    | unlabelled |         | 0     |
 | 773022 | null     | null      | null    | unlabelled |         | 0     |
 | 865465 | v1:6     | ethernet1 | 1234::2 | 3          |         | 0     |
 | 895147 | null     | null      | null    | unlabelled |         | 0     |
 | 895148 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 895149 | v1:4     | ethernet1 | 1.1.1.2 | 127783     |         | 0     |
 | 895150 | v1:4     | ethernet1 | 1.1.1.2 | 127784     |         | 0     |
 | 895151 | v1:4     | ethernet1 | 1.1.1.2 | 127785     |         | 0     |
 | 895152 | null     | null      | null    | unlabelled |         | 0     |
 | 895153 | null     | null      | null    | unlabelled |         | 0     |
 | 895154 | null     | null      | null    | unlabelled |         | 0     |
 | 895155 | null     | null      | null    | unlabelled |         | 0     |
 | 895156 | null     | null      | null    | unlabelled |         | 0     |
 | 899202 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 953977 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 964667 | tester:6 | null      | null    | unlabelled | local   | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r1#
r1#
here is the lib:
r2#
r2#
r2#show mpls forw
r2#show mpls forw
2024-02-02 05:34:48.456
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 12514  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 127781 | null     | null      | null    | unlabelled |         | 0     |
 | 127782 | v1:4     | ethernet1 | 1.1.1.1 | 895148     |         | 1280  |
 | 127783 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 127784 | v1:4     | ethernet2 | 1.1.2.3 | 766244     |         | 640   |
 | 127785 | v1:4     | ethernet2 | 1.1.2.3 | 766245     |         | 640   |
 | 127786 | null     | null      | null    | unlabelled |         | 0     |
 | 127787 | null     | null      | null    | unlabelled |         | 0     |
 | 127788 | null     | null      | null    | unlabelled |         | 0     |
 | 127789 | null     | null      | null    | unlabelled |         | 0     |
 | 127790 | null     | null      | null    | unlabelled |         | 0     |
 | 263589 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 364233 | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 | 439556 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 443933 | null     | null      | null    | unlabelled |         | 0     |
 | 443934 | v1:6     | ethernet1 | 1234::1 | 773014     |         | 1280  |
 | 443935 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 443936 | v1:6     | ethernet2 | 1235::3 | 924297     |         | 640   |
 | 443937 | v1:6     | ethernet2 | 1235::3 | 924298     |         | 640   |
 | 443938 | null     | null      | null    | unlabelled |         | 0     |
 | 443939 | null     | null      | null    | unlabelled |         | 0     |
 | 443940 | null     | null      | null    | unlabelled |         | 0     |
 | 443941 | null     | null      | null    | unlabelled |         | 0     |
 | 443942 | null     | null      | null    | unlabelled |         | 0     |
 | 462216 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 614104 | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 728635 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 748477 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 835218 | v1:6     | ethernet1 | 1234::1 | 3          |         | 0     |
 | 917582 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 952629 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 988834 | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r2#
r2#
here is the lib:
r3#
r3#
r3#show mpls forw
r3#show mpls forw
2024-02-02 05:34:48.558
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 4647   | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 107232 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 214414 | v1:4     | ethernet2 | 1.1.3.4 | 3          |         | 0     |
 | 572203 | v1:6     | ethernet2 | 1236::4 | 3          |         | 0     |
 | 584412 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 685504 | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 756450 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 766241 | null     | null      | null    | unlabelled |         | 0     |
 | 766242 | v1:4     | ethernet1 | 1.1.2.2 | 127782     |         | 640   |
 | 766243 | v1:4     | ethernet1 | 1.1.2.2 | 127783     |         | 640   |
 | 766244 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 766245 | v1:4     | ethernet2 | 1.1.3.4 | 124343     |         | 1280  |
 | 766246 | null     | null      | null    | unlabelled |         | 0     |
 | 766247 | null     | null      | null    | unlabelled |         | 0     |
 | 766248 | null     | null      | null    | unlabelled |         | 0     |
 | 766249 | null     | null      | null    | unlabelled |         | 0     |
 | 766250 | null     | null      | null    | unlabelled |         | 0     |
 | 791007 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 792505 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 796703 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 882118 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 924294 | null     | null      | null    | unlabelled |         | 0     |
 | 924295 | v1:6     | ethernet1 | 1235::2 | 443934     |         | 640   |
 | 924296 | v1:6     | ethernet1 | 1235::2 | 443935     |         | 640   |
 | 924297 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 924298 | v1:6     | ethernet2 | 1236::4 | 919038     |         | 1280  |
 | 924299 | null     | null      | null    | unlabelled |         | 0     |
 | 924300 | null     | null      | null    | unlabelled |         | 0     |
 | 924301 | null     | null      | null    | unlabelled |         | 0     |
 | 924302 | null     | null      | null    | unlabelled |         | 0     |
 | 924303 | null     | null      | null    | unlabelled |         | 0     |
 | 992311 | 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
2024-02-02 05:34:48.674
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 124339 | null     | null      | null    | unlabelled |         | 0     |
 | 124340 | v1:4     | ethernet1 | 1.1.3.3 | 766242     |         | 0     |
 | 124341 | v1:4     | ethernet1 | 1.1.3.3 | 766243     |         | 0     |
 | 124342 | v1:4     | ethernet1 | 1.1.3.3 | 766244     |         | 0     |
 | 124343 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 124344 | null     | null      | null    | unlabelled |         | 0     |
 | 124345 | null     | null      | null    | unlabelled |         | 0     |
 | 124346 | null     | null      | null    | unlabelled |         | 0     |
 | 124347 | null     | null      | null    | unlabelled |         | 0     |
 | 124348 | null     | null      | null    | unlabelled |         | 0     |
 | 292615 | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 | 455924 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 473349 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 545790 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 571373 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 690312 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 729853 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 909175 | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 | 919034 | null     | null      | null    | unlabelled |         | 0     |
 | 919035 | v1:6     | ethernet1 | 1236::3 | 924295     |         | 0     |
 | 919036 | v1:6     | ethernet1 | 1236::3 | 924296     |         | 0     |
 | 919037 | v1:6     | ethernet1 | 1236::3 | 924297     |         | 0     |
 | 919038 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 919039 | null     | null      | null    | unlabelled |         | 0     |
 | 919040 | null     | null      | null    | unlabelled |         | 0     |
 | 919041 | null     | null      | null    | unlabelled |         | 0     |
 | 919042 | null     | null      | null    | unlabelled |         | 0     |
 | 919043 | null     | null      | null    | unlabelled |         | 0     |
 | 989109 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 994408 | tester:6 | null      | null    | unlabelled | local   | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r4#
r4#