here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~|~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface | hop  | label      | targets | bytes |
 |--------|----------|-------|------|------------|---------|-------|
 | 46659  | v1:4     | null  | null | unlabelled | bier    | 520   |
 | 85077  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 324029 | v1:6     | null  | null | unlabelled | bier    | 520   |
 | 406115 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 413182 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 554915 | 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 |
 |--------|----------|-------|------|------------|---------|-------|
 | 439023 | v1:6     | null  | null | unlabelled | bier    | 1040  |
 | 538974 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 575877 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 733511 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 871644 | v1:4     | null  | null | unlabelled | bier    | 1456  |
 | 894020 | 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 |
 |--------|----------|-------|------|------------|---------|-------|
 | 15519  | v1:6     | null  | null | unlabelled | bier    | 1040  |
 | 598181 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 601891 | v1:4     | null  | null | unlabelled | bier    | 1456  |
 | 871327 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 880983 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 977162 | v1:4     | 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 |
 |--------|----------|-------|------|------------|---------|-------|
 | 10519  | v1:6     | null  | null | unlabelled | local   | 0     |
 | 228019 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 308981 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 341038 | v1:6     | null  | null | unlabelled | bier    | 520   |
 | 544766 | v1:4     | null  | null | unlabelled | bier    | 936   |
 | 736132 | tester:4 | null  | null | unlabelled | local   | 0     |
 |________|__________|_______|______|____________|_________|_______|
r4#
r4#