here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~~|~~~~~~~~~~|~~~~~~~|~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label   | vrf      | iface | hop  | label      | targets | bytes |
 |---------|----------|-------|------|------------|---------|-------|
 | 510126  | v1:4     | null  | null | unlabelled | bier    | 520   |
 | 553608  | v1:4     | null  | null | unlabelled | local   | 0     |
 | 666399  | v1:6     | null  | null | unlabelled | bier    | 520   |
 | 911038  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 927657  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 1032167 | 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 |
 |--------|----------|-------|------|------------|---------|-------|
 | 100602 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 159348 | v1:4     | null  | null | unlabelled | bier    | 1456  |
 | 208208 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 208769 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 372373 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 966547 | 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 |
 |--------|----------|-------|------|------------|---------|-------|
 | 233088 | v1:4     | null  | null | unlabelled | bier    | 1456  |
 | 332836 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 420247 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 548322 | v1:6     | null  | null | unlabelled | bier    | 1040  |
 | 562746 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 901194 | 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 |
 |--------|----------|-------|------|------------|---------|-------|
 | 20223  | v1:4     | null  | null | unlabelled | bier    | 936   |
 | 97438  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 145469 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 154089 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 175952 | v1:6     | null  | null | unlabelled | bier    | 520   |
 | 440978 | v1:4     | null  | null | unlabelled | local   | 0     |
 |________|__________|_______|______|____________|_________|_______|
r4#
r4#