here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~|~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface | hop  | label      | targets | bytes |
 |--------|----------|-------|------|------------|---------|-------|
 | 373335 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 559321 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 589623 | v1:4     | null  | null | unlabelled | bier    | 520   |
 | 672971 | v1:6     | null  | null | unlabelled | bier    | 520   |
 | 769351 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 978804 | 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 |
 |--------|----------|-------|------|------------|---------|-------|
 | 7886   | v1:6     | null  | null | unlabelled | bier    | 1040  |
 | 143163 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 276421 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 759856 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 789849 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 913094 | v1:4     | 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 |
 |--------|----------|-------|------|------------|---------|-------|
 | 44415  | v1:4     | null  | null | unlabelled | bier    | 1040  |
 | 223029 | v1:6     | null  | null | unlabelled | bier    | 1040  |
 | 737267 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 799293 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 829343 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 926431 | tester: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 |
 |--------|----------|-------|------|------------|---------|-------|
 | 9213   | v1:6     | null  | null | unlabelled | bier    | 520   |
 | 132372 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 184789 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 219403 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 519734 | v1:4     | null  | null | unlabelled | bier    | 520   |
 | 602599 | tester:6 | null  | null | unlabelled | local   | 0     |
 |________|__________|_______|______|____________|_________|_______|
r4#
r4#