here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~|~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface | hop  | label      | targets | bytes |
 |--------|----------|-------|------|------------|---------|-------|
 | 75796  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 160816 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 272073 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 355003 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 490567 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 588163 | v1:6     | null  | null | unlabelled | bier    | 520   |
 | 632619 | v1:4     | null  | null | unlabelled | bier    | 520   |
 | 666594 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 683863 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 866880 | 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 |
 |--------|----------|-------|------|------------|---------|-------|
 | 190899 | v1:4     | null  | null | unlabelled | bier    | 1040  |
 | 325857 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 357528 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 378782 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 562970 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 619811 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 874795 | v1:6     | null  | null | unlabelled | bier    | 1040  |
 | 896712 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 952099 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 969974 | v1:6     | 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 |
 |--------|----------|-------|------|------------|---------|-------|
 | 8031   | tester:6 | null  | null | unlabelled | local   | 0     |
 | 44734  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 94749  | v1:4     | null  | null | unlabelled | bier    | 1040  |
 | 97145  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 128632 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 567632 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 606624 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 637873 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 652924 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 843645 | v1:6     | 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 |
 |--------|----------|-------|------|------------|---------|-------|
 | 307695 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 493631 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 562544 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 610529 | v1:4     | null  | null | unlabelled | bier    | 520   |
 | 700638 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 714007 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 791636 | v1:6     | null  | null | unlabelled | bier    | 520   |
 | 817103 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 848808 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 914219 | v1:4     | null  | null | unlabelled | local   | 0     |
 |________|__________|_______|______|____________|_________|_______|
r4#
r4#