here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~|~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface | hop  | label      | targets | bytes |
 |--------|----------|-------|------|------------|---------|-------|
 | 72749  | v1:4     | null  | null | unlabelled | bier    | 520   |
 | 122033 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 122894 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 210686 | v1:6     | null  | null | unlabelled | bier    | 520   |
 | 361058 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 496978 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 753231 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 773540 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 792260 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 866664 | 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 |
 |---------|----------|-------|------|------------|---------|-------|
 | 83539   | tester:4 | null  | null | unlabelled | local   | 0     |
 | 339909  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 351308  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 463300  | v1:4     | null  | null | unlabelled | bier    | 1352  |
 | 621537  | v1:6     | null  | null | unlabelled | bier    | 1040  |
 | 655694  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 688767  | v1:6     | null  | null | unlabelled | local   | 0     |
 | 735248  | v1:4     | null  | null | unlabelled | local   | 0     |
 | 954510  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 1023045 | tester:4 | null  | null | unlabelled | local   | 0     |
 |_________|__________|_______|______|____________|_________|_______|
r2#
r2#
here is the lib:
r3#
r3#
r3#show mpls forw
r3#show mpls forw
 |~~~~~~~~~|~~~~~~~~~~|~~~~~~~|~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label   | vrf      | iface | hop  | label      | targets | bytes |
 |---------|----------|-------|------|------------|---------|-------|
 | 93181   | tester:4 | null  | null | unlabelled | local   | 0     |
 | 147374  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 248648  | v1:6     | null  | null | unlabelled | bier    | 1040  |
 | 426615  | v1:4     | null  | null | unlabelled | local   | 0     |
 | 498309  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 524744  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 610800  | v1:4     | null  | null | unlabelled | bier    | 1352  |
 | 790375  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 976865  | v1:6     | null  | null | unlabelled | local   | 0     |
 | 1044748 | tester:4 | 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 |
 |--------|----------|-------|------|------------|---------|-------|
 | 3490   | tester:4 | null  | null | unlabelled | local   | 0     |
 | 84438  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 153238 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 229725 | v1:6     | null  | null | unlabelled | bier    | 520   |
 | 490613 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 637907 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 720766 | v1:4     | null  | null | unlabelled | bier    | 832   |
 | 723907 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 855163 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 899704 | tester:6 | null  | null | unlabelled | local   | 0     |
 |________|__________|_______|______|____________|_________|_______|
r4#
r4#