here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~~|~~~~~~~~~~|~~~~~~~|~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label   | vrf      | iface | hop  | label      | targets | bytes |
 |---------|----------|-------|------|------------|---------|-------|
 | 152609  | v1:6     | null  | null | unlabelled | bier    | 520   |
 | 370759  | v1:6     | null  | null | unlabelled | local   | 0     |
 | 381003  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 726348  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 751332  | v1:4     | null  | null | unlabelled | bier    | 520   |
 | 1020001 | 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 |
 |--------|----------|-------|------|------------|---------|-------|
 | 93896  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 96372  | v1:4     | null  | null | unlabelled | bier    | 1040  |
 | 657298 | v1:6     | null  | null | unlabelled | bier    | 1040  |
 | 808052 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 885624 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 945546 | 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 |
 |--------|----------|-------|------|------------|---------|-------|
 | 165359 | v1:6     | null  | null | unlabelled | bier    | 1040  |
 | 442831 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 494673 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 833553 | v1:4     | null  | null | unlabelled | bier    | 1040  |
 | 942203 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 958430 | 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 |
 |---------|----------|-------|------|------------|---------|-------|
 | 37941   | v1:4     | null  | null | unlabelled | local   | 0     |
 | 152173  | v1:4     | null  | null | unlabelled | bier    | 520   |
 | 243988  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 604703  | v1:6     | null  | null | unlabelled | bier    | 520   |
 | 789310  | v1:6     | null  | null | unlabelled | local   | 0     |
 | 1047265 | tester:4 | null  | null | unlabelled | local   | 0     |
 |_________|__________|_______|______|____________|_________|_______|
r4#
r4#