here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~~|~~~~~~~~~~|~~~~~~~|~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label   | vrf      | iface | hop  | label      | targets | bytes |
 |---------|----------|-------|------|------------|---------|-------|
 | 57490   | tester:4 | null  | null | unlabelled | local   | 0     |
 | 81862   | tester:4 | null  | null | unlabelled | local   | 0     |
 | 516368  | v1:4     | null  | null | unlabelled | bier    | 520   |
 | 533084  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 544688  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 699939  | v1:6     | null  | null | unlabelled | bier    | 520   |
 | 713829  | v1:6     | null  | null | unlabelled | local   | 0     |
 | 809963  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 953645  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 1002542 | v1:4     | 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 |
 |---------|----------|-------|------|------------|---------|-------|
 | 63648   | tester:4 | null  | null | unlabelled | local   | 0     |
 | 149019  | v1:4     | null  | null | unlabelled | bier    | 1040  |
 | 243833  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 495168  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 548062  | v1:4     | null  | null | unlabelled | local   | 0     |
 | 568654  | v1:6     | null  | null | unlabelled | local   | 0     |
 | 749266  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 758225  | v1:6     | null  | null | unlabelled | bier    | 1040  |
 | 848191  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 1019935 | 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 |
 |--------|----------|-------|------|------------|---------|-------|
 | 175340 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 228865 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 249796 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 306832 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 434073 | v1:4     | null  | null | unlabelled | bier    | 1040  |
 | 464860 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 515943 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 688623 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 834067 | v1:6     | null  | null | unlabelled | bier    | 1040  |
 | 861479 | 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 |
 |---------|----------|-------|------|------------|---------|-------|
 | 42259   | v1:6     | null  | null | unlabelled | bier    | 520   |
 | 265474  | v1:4     | null  | null | unlabelled | local   | 0     |
 | 323985  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 543975  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 593688  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 889386  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 897782  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 1012092 | v1:4     | null  | null | unlabelled | bier    | 520   |
 | 1031569 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 1035662 | tester:6 | null  | null | unlabelled | local   | 0     |
 |_________|__________|_______|______|____________|_________|_______|
r4#
r4#