here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~|~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface | hop  | label      | targets | bytes |
 |--------|----------|-------|------|------------|---------|-------|
 | 185322 | v1:4     | null  | null | unlabelled | bier    | 520   |
 | 329020 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 440470 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 484218 | v1:6     | null  | null | unlabelled | bier    | 520   |
 | 490962 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 927871 | 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 |
 |--------|----------|-------|------|------------|---------|-------|
 | 425996 | v1:6     | null  | null | unlabelled | bier    | 1040  |
 | 438258 | v1:4     | null  | null | unlabelled | bier    | 1040  |
 | 610403 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 666812 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 893946 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 966781 | 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 |
 |--------|----------|-------|------|------------|---------|-------|
 | 24120  | v1:4     | null  | null | unlabelled | local   | 0     |
 | 192323 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 207000 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 432582 | v1:4     | null  | null | unlabelled | bier    | 1040  |
 | 964764 | v1:6     | null  | null | unlabelled | bier    | 1040  |
 | 987174 | 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 |
 |--------|----------|-------|------|------------|---------|-------|
 | 450804 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 597020 | v1:6     | null  | null | unlabelled | bier    | 520   |
 | 622972 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 748716 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 911379 | v1:4     | null  | null | unlabelled | bier    | 520   |
 | 926828 | v1:4     | null  | null | unlabelled | local   | 0     |
 |________|__________|_______|______|____________|_________|_______|
r4#
r4#