here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~|~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface | hop  | label      | targets | bytes |
 |--------|----------|-------|------|------------|---------|-------|
 | 7744   | v1:4     | null  | null | unlabelled | local   | 0     |
 | 515910 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 544711 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 587245 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 698277 | v1:4     | null  | null | unlabelled | bier    | 520   |
 | 706014 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 729365 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 902583 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 908911 | v1:6     | null  | null | unlabelled | bier    | 520   |
 | 975981 | tester: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 |
 |--------|----------|-------|------|------------|---------|-------|
 | 4057   | tester:6 | null  | null | unlabelled | local   | 0     |
 | 46141  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 74235  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 82675  | v1:6     | null  | null | unlabelled | bier    | 1040  |
 | 524157 | v1:4     | null  | null | unlabelled | bier    | 1040  |
 | 661258 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 715195 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 743166 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 951835 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 986897 | tester:6 | 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 |
 |--------|----------|-------|------|------------|---------|-------|
 | 29623  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 42025  | v1:4     | null  | null | unlabelled | local   | 0     |
 | 81219  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 87182  | v1:6     | null  | null | unlabelled | local   | 0     |
 | 320220 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 414212 | v1:4     | null  | null | unlabelled | bier    | 1040  |
 | 576440 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 610610 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 715615 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 963647 | v1:6     | null  | null | unlabelled | bier    | 1040  |
 |________|__________|_______|______|____________|_________|_______|
r3#
r3#
here is the lib:
r4#
r4#
r4#show mpls forw
r4#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~|~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface | hop  | label      | targets | bytes |
 |--------|----------|-------|------|------------|---------|-------|
 | 156457 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 195701 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 431285 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 557962 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 625286 | v1:4     | null  | null | unlabelled | bier    | 520   |
 | 639082 | v1:6     | null  | null | unlabelled | bier    | 520   |
 | 711213 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 739430 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 968508 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 992566 | tester:4 | null  | null | unlabelled | local   | 0     |
 |________|__________|_______|______|____________|_________|_______|
r4#
r4#