here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~|~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface | hop  | label      | targets | bytes |
 |--------|----------|-------|------|------------|---------|-------|
 | 135333 | v1:4     | null  | null | unlabelled | bier    | 520   |
 | 343318 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 491518 | v1:6     | null  | null | unlabelled | bier    | 520   |
 | 508634 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 517105 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 723675 | 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 |
 |--------|----------|-------|------|------------|---------|-------|
 | 65349  | v1:4     | null  | null | unlabelled | bier    | 1040  |
 | 132040 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 437099 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 533168 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 584607 | v1:6     | null  | null | unlabelled | bier    | 1040  |
 | 871264 | 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 |
 |--------|----------|-------|------|------------|---------|-------|
 | 98200  | v1:4     | null  | null | unlabelled | local   | 0     |
 | 236279 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 264450 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 390021 | v1:6     | null  | null | unlabelled | bier    | 1040  |
 | 736675 | v1:4     | null  | null | unlabelled | bier    | 1040  |
 | 818039 | v1:6     | 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 |
 |--------|----------|-------|------|------------|---------|-------|
 | 55094  | v1:4     | null  | null | unlabelled | bier    | 520   |
 | 427439 | v1:6     | null  | null | unlabelled | bier    | 520   |
 | 498714 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 521315 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 805765 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 971257 | tester:6 | null  | null | unlabelled | local   | 0     |
 |________|__________|_______|______|____________|_________|_______|
r4#
r4#