here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~~|~~~~~~~~~~|~~~~~~~|~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label   | vrf      | iface | hop  | label      | targets | bytes |
 |---------|----------|-------|------|------------|---------|-------|
 | 370999  | v1:4     | null  | null | unlabelled | bier    | 520   |
 | 392636  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 599598  | v1:4     | null  | null | unlabelled | local   | 0     |
 | 628007  | v1:6     | null  | null | unlabelled | local   | 0     |
 | 671846  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 870140  | v1:6     | null  | null | unlabelled | bier    | 520   |
 | 924924  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 1003269 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 1021219 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 1047620 | 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 |
 |---------|----------|-------|------|------------|---------|-------|
 | 143845  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 173223  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 187736  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 368068  | v1:6     | null  | null | unlabelled | bier    | 1040  |
 | 769898  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 780593  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 988696  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 990173  | v1:6     | null  | null | unlabelled | local   | 0     |
 | 993386  | v1:4     | null  | null | unlabelled | local   | 0     |
 | 1026186 | v1:4     | null  | null | unlabelled | bier    | 1456  |
 |_________|__________|_______|______|____________|_________|_______|
r2#
r2#
here is the lib:
r3#
r3#
r3#show mpls forw
r3#show mpls forw
 |~~~~~~~~~|~~~~~~~~~~|~~~~~~~|~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label   | vrf      | iface | hop  | label      | targets | bytes |
 |---------|----------|-------|------|------------|---------|-------|
 | 507     | tester:6 | null  | null | unlabelled | local   | 0     |
 | 83020   | tester:4 | null  | null | unlabelled | local   | 0     |
 | 132529  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 191238  | v1:4     | null  | null | unlabelled | bier    | 1456  |
 | 387865  | v1:6     | null  | null | unlabelled | local   | 0     |
 | 424805  | v1:6     | null  | null | unlabelled | bier    | 1040  |
 | 803899  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 838942  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 873822  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 1039924 | v1:4     | 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 |
 |--------|----------|-------|------|------------|---------|-------|
 | 41735  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 230304 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 300129 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 331697 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 365363 | v1:4     | null  | null | unlabelled | bier    | 936   |
 | 435585 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 593400 | v1:6     | null  | null | unlabelled | bier    | 520   |
 | 647909 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 697787 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 916988 | tester:6 | null  | null | unlabelled | local   | 0     |
 |________|__________|_______|______|____________|_________|_______|
r4#
r4#