here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~~|~~~~~~~~~~|~~~~~~~|~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label   | vrf      | iface | hop  | label      | targets | bytes |
 |---------|----------|-------|------|------------|---------|-------|
 | 35435   | v1:4     | null  | null | unlabelled | bier    | 520   |
 | 351192  | v1:6     | null  | null | unlabelled | bier    | 520   |
 | 546367  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 832946  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 911319  | v1:4     | null  | null | unlabelled | local   | 0     |
 | 1040965 | 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 |
 |--------|----------|-------|------|------------|---------|-------|
 | 141179 | v1:4     | null  | null | unlabelled | bier    | 1040  |
 | 264373 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 370103 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 409100 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 715888 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 920226 | 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 |
 |--------|----------|-------|------|------------|---------|-------|
 | 204432 | v1:4     | null  | null | unlabelled | bier    | 1040  |
 | 376280 | v1:6     | null  | null | unlabelled | bier    | 1040  |
 | 423043 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 615197 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 726196 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 933416 | 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 |
 |--------|----------|-------|------|------------|---------|-------|
 | 102354 | v1:6     | null  | null | unlabelled | bier    | 520   |
 | 217496 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 255000 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 307100 | v1:4     | null  | null | unlabelled | bier    | 520   |
 | 908044 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 944996 | tester:4 | null  | null | unlabelled | local   | 0     |
 |________|__________|_______|______|____________|_________|_______|
r4#
r4#