here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~|~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface | hop  | label      | targets | bytes |
 |--------|----------|-------|------|------------|---------|-------|
 | 1364   | tester:4 | null  | null | unlabelled | local   | 0     |
 | 5940   | v1:6     | null  | null | unlabelled | bier    | 520   |
 | 164970 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 171042 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 208219 | v1:4     | null  | null | unlabelled | bier    | 520   |
 | 210804 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 533788 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 615848 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 759134 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 829654 | tester: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 |
 |--------|----------|-------|------|------------|---------|-------|
 | 241515 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 386973 | v1:6     | null  | null | unlabelled | bier    | 1040  |
 | 410244 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 484271 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 494376 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 838093 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 904406 | v1:4     | null  | null | unlabelled | bier    | 1144  |
 | 932462 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 935204 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 979901 | tester:4 | 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 |
 |--------|----------|-------|------|------------|---------|-------|
 | 12044  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 184433 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 322231 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 409273 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 608539 | v1:6     | null  | null | unlabelled | bier    | 1040  |
 | 621298 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 652968 | v1:4     | null  | null | unlabelled | bier    | 1144  |
 | 702703 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 790282 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 796266 | tester: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 |
 |--------|----------|-------|------|------------|---------|-------|
 | 78228  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 127649 | v1:6     | null  | null | unlabelled | bier    | 520   |
 | 165498 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 383277 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 405095 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 405673 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 409251 | v1:4     | null  | null | unlabelled | bier    | 624   |
 | 440632 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 756211 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 926886 | tester:6 | null  | null | unlabelled | local   | 0     |
 |________|__________|_______|______|____________|_________|_______|
r4#
r4#