here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~|~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface | hop  | label      | targets | bytes |
 |--------|----------|-------|------|------------|---------|-------|
 | 73671  | v1:4     | null  | null | unlabelled | bier    | 520   |
 | 547711 | v1:6     | null  | null | unlabelled | bier    | 520   |
 | 646204 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 750273 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 904609 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 912865 | 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 |
 |--------|----------|-------|------|------------|---------|-------|
 | 59433  | v1:6     | null  | null | unlabelled | local   | 0     |
 | 514067 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 658323 | v1:6     | null  | null | unlabelled | bier    | 1040  |
 | 770779 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 818710 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 888037 | v1:4     | null  | null | unlabelled | bier    | 1456  |
 |________|__________|_______|______|____________|_________|_______|
r2#
r2#
here is the lib:
r3#
r3#
r3#show mpls forw
r3#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~|~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface | hop  | label      | targets | bytes |
 |--------|----------|-------|------|------------|---------|-------|
 | 460516 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 468079 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 570955 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 613450 | v1:4     | null  | null | unlabelled | bier    | 1456  |
 | 791925 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 925337 | 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 |
 |--------|----------|-------|------|------------|---------|-------|
 | 75067  | v1:6     | null  | null | unlabelled | bier    | 520   |
 | 439316 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 832055 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 866033 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 892413 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 948515 | v1:4     | null  | null | unlabelled | bier    | 936   |
 |________|__________|_______|______|____________|_________|_______|
r4#
r4#