here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~|~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface | hop  | label      | targets | bytes |
 |--------|----------|-------|------|------------|---------|-------|
 | 97620  | v1:6     | null  | null | unlabelled | bier    | 520   |
 | 155960 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 418316 | v1:4     | null  | null | unlabelled | bier    | 520   |
 | 770699 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 820194 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 937479 | 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 |
 |---------|----------|-------|------|------------|---------|-------|
 | 19326   | tester:6 | null  | null | unlabelled | local   | 0     |
 | 113280  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 453574  | v1:6     | null  | null | unlabelled | local   | 0     |
 | 654691  | v1:4     | null  | null | unlabelled | local   | 0     |
 | 688115  | v1:4     | null  | null | unlabelled | bier    | 1144  |
 | 1037892 | 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 |
 |--------|----------|-------|------|------------|---------|-------|
 | 194892 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 550721 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 717955 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 756912 | v1:6     | null  | null | unlabelled | bier    | 1040  |
 | 884538 | v1:4     | null  | null | unlabelled | bier    | 1144  |
 | 888978 | 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 |
 |--------|----------|-------|------|------------|---------|-------|
 | 74134  | v1:6     | null  | null | unlabelled | bier    | 520   |
 | 213702 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 273283 | v1:4     | null  | null | unlabelled | bier    | 624   |
 | 311874 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 694606 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 964936 | v1:4     | null  | null | unlabelled | local   | 0     |
 |________|__________|_______|______|____________|_________|_______|
r4#
r4#