here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~|~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface | hop  | label      | targets | bytes |
 |--------|----------|-------|------|------------|---------|-------|
 | 99942  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 230643 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 255535 | v1:4     | null  | null | unlabelled | bier    | 520   |
 | 281945 | v1:6     | null  | null | unlabelled | bier    | 520   |
 | 756133 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 764234 | 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 |
 |--------|----------|-------|------|------------|---------|-------|
 | 115217 | v1:4     | null  | null | unlabelled | bier    | 1456  |
 | 152719 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 413580 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 716416 | v1:6     | null  | null | unlabelled | bier    | 1040  |
 | 826878 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 952606 | 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 |
 |---------|----------|-------|------|------------|---------|-------|
 | 145709  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 159679  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 197919  | v1:6     | null  | null | unlabelled | bier    | 1040  |
 | 270246  | v1:4     | null  | null | unlabelled | local   | 0     |
 | 446583  | v1:6     | null  | null | unlabelled | local   | 0     |
 | 1037631 | v1:4     | null  | null | unlabelled | bier    | 1456  |
 |_________|__________|_______|______|____________|_________|_______|
r3#
r3#
here is the lib:
r4#
r4#
r4#show mpls forw
r4#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~|~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface | hop  | label      | targets | bytes |
 |--------|----------|-------|------|------------|---------|-------|
 | 152638 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 272658 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 420754 | v1:6     | null  | null | unlabelled | bier    | 520   |
 | 537055 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 741148 | v1:4     | null  | null | unlabelled | bier    | 936   |
 | 877907 | tester:4 | null  | null | unlabelled | local   | 0     |
 |________|__________|_______|______|____________|_________|_______|
r4#
r4#