here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~|~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface | hop  | label      | targets | bytes |
 |--------|----------|-------|------|------------|---------|-------|
 | 75137  | v1:6     | null  | null | unlabelled | bier    | 520   |
 | 346199 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 513883 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 605841 | v1:4     | null  | null | unlabelled | bier    | 520   |
 | 906845 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 998355 | v1:6     | 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 |
 |--------|----------|-------|------|------------|---------|-------|
 | 389897 | v1:4     | null  | null | unlabelled | bier    | 1040  |
 | 517771 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 541801 | v1:6     | null  | null | unlabelled | bier    | 1040  |
 | 624578 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 673972 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 782119 | 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 |
 |---------|----------|-------|------|------------|---------|-------|
 | 429118  | v1:4     | null  | null | unlabelled | local   | 0     |
 | 536155  | v1:6     | null  | null | unlabelled | bier    | 1040  |
 | 554527  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 696605  | v1:4     | null  | null | unlabelled | bier    | 1040  |
 | 724908  | v1:6     | null  | null | unlabelled | local   | 0     |
 | 1024144 | tester:6 | 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 |
 |--------|----------|-------|------|------------|---------|-------|
 | 150294 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 402447 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 607657 | v1:6     | null  | null | unlabelled | bier    | 520   |
 | 615514 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 748829 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 921935 | v1:4     | null  | null | unlabelled | bier    | 520   |
 |________|__________|_______|______|____________|_________|_______|
r4#
r4#