here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~~|~~~~~~~~~~|~~~~~~~|~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label   | vrf      | iface | hop  | label      | targets | bytes |
 |---------|----------|-------|------|------------|---------|-------|
 | 106931  | v1:6     | null  | null | unlabelled | bier    | 520   |
 | 139401  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 269467  | v1:4     | null  | null | unlabelled | local   | 0     |
 | 521428  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 734334  | v1:4     | null  | null | unlabelled | bier    | 520   |
 | 1036504 | 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 |
 |--------|----------|-------|------|------------|---------|-------|
 | 684    | v1:6     | null  | null | unlabelled | local   | 0     |
 | 131237 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 149383 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 520559 | v1:4     | null  | null | unlabelled | bier    | 1456  |
 | 910799 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 937525 | 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 |
 |--------|----------|-------|------|------------|---------|-------|
 | 101106 | v1:4     | null  | null | unlabelled | bier    | 1456  |
 | 167597 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 544024 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 590278 | v1:6     | null  | null | unlabelled | bier    | 1040  |
 | 896356 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 953972 | 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 |
 |--------|----------|-------|------|------------|---------|-------|
 | 80767  | v1:4     | null  | null | unlabelled | bier    | 936   |
 | 136114 | v1:6     | null  | null | unlabelled | bier    | 520   |
 | 163150 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 523081 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 576060 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 674027 | v1:6     | null  | null | unlabelled | local   | 0     |
 |________|__________|_______|______|____________|_________|_______|
r4#
r4#