here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 7257   | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 154282 | v1:6     | ethernet1 | 1234::2 | 3          |         | 0     |
 | 203285 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 256480 | null     | null      | null    | unlabelled |         | 0     |
 | 256481 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 256482 | v1:6     | ethernet1 | 1234::2 | 527763     |         | 0     |
 | 256483 | v1:6     | ethernet1 | 1234::2 | 527764     |         | 0     |
 | 256484 | v1:6     | ethernet1 | 1234::2 | 527765     |         | 0     |
 | 256485 | null     | null      | null    | unlabelled |         | 0     |
 | 256486 | null     | null      | null    | unlabelled |         | 0     |
 | 256487 | null     | null      | null    | unlabelled |         | 0     |
 | 256488 | null     | null      | null    | unlabelled |         | 0     |
 | 256489 | null     | null      | null    | unlabelled |         | 0     |
 | 271425 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 477669 | null     | null      | null    | unlabelled |         | 0     |
 | 477670 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 477671 | v1:4     | ethernet1 | 1.1.1.2 | 202467     |         | 0     |
 | 477672 | v1:4     | ethernet1 | 1.1.1.2 | 202468     |         | 0     |
 | 477673 | v1:4     | ethernet1 | 1.1.1.2 | 202469     |         | 0     |
 | 477674 | null     | null      | null    | unlabelled |         | 0     |
 | 477675 | null     | null      | null    | unlabelled |         | 0     |
 | 477676 | null     | null      | null    | unlabelled |         | 0     |
 | 477677 | null     | null      | null    | unlabelled |         | 0     |
 | 477678 | null     | null      | null    | unlabelled |         | 0     |
 | 533804 | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 | 542071 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 564245 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 744755 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 757936 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 853556 | v1:6     | 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 |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 53084   | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 158146  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 180114  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 202465  | null     | null      | null    | unlabelled |         | 0     |
 | 202466  | v1:4     | ethernet1 | 1.1.1.1 | 477670     |         | 1280  |
 | 202467  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 202468  | v1:4     | ethernet2 | 1.1.2.3 | 236146     |         | 640   |
 | 202469  | v1:4     | ethernet2 | 1.1.2.3 | 236147     |         | 640   |
 | 202470  | null     | null      | null    | unlabelled |         | 0     |
 | 202471  | null     | null      | null    | unlabelled |         | 0     |
 | 202472  | null     | null      | null    | unlabelled |         | 0     |
 | 202473  | null     | null      | null    | unlabelled |         | 0     |
 | 202474  | null     | null      | null    | unlabelled |         | 0     |
 | 313571  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 527761  | null     | null      | null    | unlabelled |         | 0     |
 | 527762  | v1:6     | ethernet1 | 1234::1 | 256481     |         | 1280  |
 | 527763  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 527764  | v1:6     | ethernet2 | 1235::3 | 465566     |         | 640   |
 | 527765  | v1:6     | ethernet2 | 1235::3 | 465567     |         | 640   |
 | 527766  | null     | null      | null    | unlabelled |         | 0     |
 | 527767  | null     | null      | null    | unlabelled |         | 0     |
 | 527768  | null     | null      | null    | unlabelled |         | 0     |
 | 527769  | null     | null      | null    | unlabelled |         | 0     |
 | 527770  | null     | null      | null    | unlabelled |         | 0     |
 | 672426  | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 | 800343  | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 940958  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 968184  | v1:6     | ethernet1 | 1234::1 | 3          |         | 0     |
 | 983302  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 1023157 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 1029058 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 1033391 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 51268  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 51890  | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 53985  | v1:4     | ethernet2 | 1.1.3.4 | 3          |         | 0     |
 | 71463  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 179348 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 210700 | v1:4     | ethernet1 | 1.1.2.2 | 3          |         | 0     |
 | 236143 | null     | null      | null    | unlabelled |         | 0     |
 | 236144 | v1:4     | ethernet1 | 1.1.2.2 | 202466     |         | 640   |
 | 236145 | v1:4     | ethernet1 | 1.1.2.2 | 202467     |         | 640   |
 | 236146 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 236147 | v1:4     | ethernet2 | 1.1.3.4 | 387909     |         | 1280  |
 | 236148 | null     | null      | null    | unlabelled |         | 0     |
 | 236149 | null     | null      | null    | unlabelled |         | 0     |
 | 236150 | null     | null      | null    | unlabelled |         | 0     |
 | 236151 | null     | null      | null    | unlabelled |         | 0     |
 | 236152 | null     | null      | null    | unlabelled |         | 0     |
 | 307978 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 378222 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 465563 | null     | null      | null    | unlabelled |         | 0     |
 | 465564 | v1:6     | ethernet1 | 1235::2 | 527762     |         | 640   |
 | 465565 | v1:6     | ethernet1 | 1235::2 | 527763     |         | 640   |
 | 465566 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 465567 | v1:6     | ethernet2 | 1236::4 | 829054     |         | 1280  |
 | 465568 | null     | null      | null    | unlabelled |         | 0     |
 | 465569 | null     | null      | null    | unlabelled |         | 0     |
 | 465570 | null     | null      | null    | unlabelled |         | 0     |
 | 465571 | null     | null      | null    | unlabelled |         | 0     |
 | 465572 | null     | null      | null    | unlabelled |         | 0     |
 | 562394 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 584674 | v1:6     | ethernet2 | 1236::4 | 3          |         | 0     |
 | 652145 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 765009 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 22701  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 117178 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 276953 | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 | 313299 | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 | 387905 | null     | null      | null    | unlabelled |         | 0     |
 | 387906 | v1:4     | ethernet1 | 1.1.3.3 | 236144     |         | 0     |
 | 387907 | v1:4     | ethernet1 | 1.1.3.3 | 236145     |         | 0     |
 | 387908 | v1:4     | ethernet1 | 1.1.3.3 | 236146     |         | 0     |
 | 387909 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 387910 | null     | null      | null    | unlabelled |         | 0     |
 | 387911 | null     | null      | null    | unlabelled |         | 0     |
 | 387912 | null     | null      | null    | unlabelled |         | 0     |
 | 387913 | null     | null      | null    | unlabelled |         | 0     |
 | 387914 | null     | null      | null    | unlabelled |         | 0     |
 | 475328 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 510081 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 576821 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 701800 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 725388 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 804229 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 829050 | null     | null      | null    | unlabelled |         | 0     |
 | 829051 | v1:6     | ethernet1 | 1236::3 | 465564     |         | 0     |
 | 829052 | v1:6     | ethernet1 | 1236::3 | 465565     |         | 0     |
 | 829053 | v1:6     | ethernet1 | 1236::3 | 465566     |         | 0     |
 | 829054 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 829055 | null     | null      | null    | unlabelled |         | 0     |
 | 829056 | null     | null      | null    | unlabelled |         | 0     |
 | 829057 | null     | null      | null    | unlabelled |         | 0     |
 | 829058 | null     | null      | null    | unlabelled |         | 0     |
 | 829059 | null     | null      | null    | unlabelled |         | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r4#
r4#