here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~|~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface | hop  | label      | targets | bytes |
 |--------|----------|-------|------|------------|---------|-------|
 | 184008 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 353230 | v1:6     | null  | null | unlabelled | bier    | 520   |
 | 650360 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 682462 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 932588 | v1:4     | null  | null | unlabelled | bier    | 520   |
 | 997608 | 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 |
 |--------|----------|-------|------|------------|---------|-------|
 | 209704 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 495366 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 619083 | v1:6     | null  | null | unlabelled | bier    | 1040  |
 | 652201 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 849478 | v1:4     | null  | null | unlabelled | bier    | 1144  |
 | 909737 | v1:6     | 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 |
 |--------|----------|-------|------|------------|---------|-------|
 | 35689  | v1:6     | null  | null | unlabelled | bier    | 1040  |
 | 307602 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 437623 | v1:4     | null  | null | unlabelled | bier    | 1144  |
 | 709206 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 848220 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 927797 | 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 |
 |---------|----------|-------|------|------------|---------|-------|
 | 43751   | v1:4     | null  | null | unlabelled | local   | 0     |
 | 318184  | v1:6     | null  | null | unlabelled | local   | 0     |
 | 775855  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 794111  | v1:4     | null  | null | unlabelled | bier    | 624   |
 | 1033803 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 1046121 | v1:6     | null  | null | unlabelled | bier    | 520   |
 |_________|__________|_______|______|____________|_________|_______|
r4#
r4#