here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~|~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface | hop  | label      | targets | bytes |
 |--------|----------|-------|------|------------|---------|-------|
 | 97859  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 143079 | v1:6     | null  | null | unlabelled | bier    | 520   |
 | 520890 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 602624 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 897724 | v1:4     | null  | null | unlabelled | bier    | 520   |
 | 901030 | v1:4     | 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 |
 |--------|----------|-------|------|------------|---------|-------|
 | 728548 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 835886 | v1:4     | null  | null | unlabelled | bier    | 1456  |
 | 878404 | v1:6     | null  | null | unlabelled | bier    | 1040  |
 | 925843 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 960252 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 966121 | 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 |
 |--------|----------|-------|------|------------|---------|-------|
 | 618776 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 631102 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 835615 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 894394 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 926693 | v1:4     | null  | null | unlabelled | bier    | 1456  |
 | 981586 | 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 |
 |--------|----------|-------|------|------------|---------|-------|
 | 149108 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 412710 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 554120 | v1:4     | null  | null | unlabelled | bier    | 936   |
 | 666650 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 699837 | v1:6     | null  | null | unlabelled | bier    | 520   |
 | 876603 | v1:6     | null  | null | unlabelled | local   | 0     |
 |________|__________|_______|______|____________|_________|_______|
r4#
r4#