here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~|~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface | hop  | label      | targets | bytes |
 |--------|----------|-------|------|------------|---------|-------|
 | 258300 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 493991 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 541098 | v1:4     | null  | null | unlabelled | bier    | 520   |
 | 545031 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 653833 | v1:6     | null  | null | unlabelled | bier    | 520   |
 | 711727 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 735088 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 822846 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 850675 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 882635 | tester:4 | 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 |
 |--------|----------|-------|------|------------|---------|-------|
 | 89480  | v1:6     | null  | null | unlabelled | bier    | 1040  |
 | 201721 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 439313 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 493491 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 515850 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 664026 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 714432 | v1:4     | null  | null | unlabelled | bier    | 1040  |
 | 886448 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 889637 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 950973 | 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 |
 |--------|----------|-------|------|------------|---------|-------|
 | 5611   | v1:6     | null  | null | unlabelled | bier    | 1040  |
 | 121538 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 195701 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 380656 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 388174 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 538416 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 616307 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 674251 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 885479 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 957456 | v1:4     | null  | null | unlabelled | bier    | 1040  |
 |________|__________|_______|______|____________|_________|_______|
r3#
r3#
here is the lib:
r4#
r4#
r4#show mpls forw
r4#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~|~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface | hop  | label      | targets | bytes |
 |--------|----------|-------|------|------------|---------|-------|
 | 311102 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 390857 | v1:4     | null  | null | unlabelled | bier    | 520   |
 | 424173 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 448676 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 528678 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 553816 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 616462 | v1:6     | null  | null | unlabelled | bier    | 520   |
 | 621631 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 660789 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 995472 | tester:4 | null  | null | unlabelled | local   | 0     |
 |________|__________|_______|______|____________|_________|_______|
r4#
r4#