here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~|~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface | hop  | label      | targets | bytes |
 |--------|----------|-------|------|------------|---------|-------|
 | 12778  | v1:6     | null  | null | unlabelled | local   | 0     |
 | 213565 | v1:6     | null  | null | unlabelled | bier    | 520   |
 | 317248 | v1:4     | null  | null | unlabelled | bier    | 520   |
 | 641520 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 773208 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 913699 | tester: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 |
 |--------|----------|-------|------|------------|---------|-------|
 | 142689 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 235909 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 382543 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 689991 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 733040 | v1:4     | null  | null | unlabelled | bier    | 1144  |
 | 881155 | 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 |
 |---------|----------|-------|------|------------|---------|-------|
 | 64759   | v1:6     | null  | null | unlabelled | bier    | 1040  |
 | 406839  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 725158  | v1:4     | null  | null | unlabelled | bier    | 1144  |
 | 787694  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 821742  | v1:6     | null  | null | unlabelled | local   | 0     |
 | 1041424 | 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 |
 |--------|----------|-------|------|------------|---------|-------|
 | 144602 | v1:6     | null  | null | unlabelled | bier    | 520   |
 | 196614 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 242589 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 521485 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 936763 | v1:4     | null  | null | unlabelled | bier    | 624   |
 | 944961 | v1:4     | null  | null | unlabelled | local   | 0     |
 |________|__________|_______|______|____________|_________|_______|
r4#
r4#