here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~|~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface | hop  | label      | targets | bytes |
 |--------|----------|-------|------|------------|---------|-------|
 | 160182 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 611878 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 629997 | v1:6     | null  | null | unlabelled | bier    | 520   |
 | 850250 | v1:4     | null  | null | unlabelled | bier    | 520   |
 | 910826 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 931901 | 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 |
 |--------|----------|-------|------|------------|---------|-------|
 | 75894  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 90526  | v1:4     | null  | null | unlabelled | bier    | 1456  |
 | 185540 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 363888 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 576114 | v1:6     | null  | null | unlabelled | bier    | 1040  |
 | 903073 | 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 |
 |---------|----------|-------|------|------------|---------|-------|
 | 48170   | v1:6     | null  | null | unlabelled | local   | 0     |
 | 115441  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 659634  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 685615  | v1:4     | null  | null | unlabelled | local   | 0     |
 | 862850  | v1:4     | null  | null | unlabelled | bier    | 1456  |
 | 1012494 | 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 |
 |--------|----------|-------|------|------------|---------|-------|
 | 71828  | v1:6     | null  | null | unlabelled | bier    | 520   |
 | 139817 | v1:4     | null  | null | unlabelled | bier    | 936   |
 | 204846 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 452150 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 847287 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 981301 | v1:6     | null  | null | unlabelled | local   | 0     |
 |________|__________|_______|______|____________|_________|_______|
r4#
r4#