here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~|~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface | hop  | label      | targets | bytes |
 |--------|----------|-------|------|------------|---------|-------|
 | 46563  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 96911  | v1:4     | null  | null | unlabelled | local   | 0     |
 | 125487 | v1:4     | null  | null | unlabelled | bier    | 520   |
 | 317847 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 471394 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 627073 | v1:6     | null  | null | unlabelled | bier    | 520   |
 |________|__________|_______|______|____________|_________|_______|
r1#
r1#
here is the lib:
r2#
r2#
r2#show mpls forw
r2#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~|~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface | hop  | label      | targets | bytes |
 |--------|----------|-------|------|------------|---------|-------|
 | 81913  | v1:4     | null  | null | unlabelled | local   | 0     |
 | 335437 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 340213 | v1:4     | null  | null | unlabelled | bier    | 1040  |
 | 541906 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 577902 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 622596 | v1:6     | null  | null | unlabelled | bier    | 1040  |
 |________|__________|_______|______|____________|_________|_______|
r2#
r2#
here is the lib:
r3#
r3#
r3#show mpls forw
r3#show mpls forw
 |~~~~~~~~~|~~~~~~~~~~|~~~~~~~|~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label   | vrf      | iface | hop  | label      | targets | bytes |
 |---------|----------|-------|------|------------|---------|-------|
 | 59732   | v1:6     | null  | null | unlabelled | local   | 0     |
 | 184613  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 292393  | v1:4     | null  | null | unlabelled | local   | 0     |
 | 807934  | v1:4     | null  | null | unlabelled | bier    | 1040  |
 | 846422  | v1:6     | null  | null | unlabelled | bier    | 1040  |
 | 1015887 | 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 |
 |--------|----------|-------|------|------------|---------|-------|
 | 137207 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 350904 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 385398 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 638884 | v1:6     | null  | null | unlabelled | bier    | 520   |
 | 679627 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 761845 | v1:4     | null  | null | unlabelled | bier    | 520   |
 |________|__________|_______|______|____________|_________|_______|
r4#
r4#