here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~|~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface | hop  | label      | targets | bytes |
 |--------|----------|-------|------|------------|---------|-------|
 | 33484  | v1:6     | null  | null | unlabelled | local   | 0     |
 | 332984 | v1:6     | null  | null | unlabelled | bier    | 520   |
 | 347381 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 370719 | v1:4     | null  | null | unlabelled | bier    | 520   |
 | 597859 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 598985 | 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 |
 |---------|----------|-------|------|------------|---------|-------|
 | 2104    | v1:6     | null  | null | unlabelled | bier    | 1040  |
 | 379000  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 658721  | v1:4     | null  | null | unlabelled | bier    | 1352  |
 | 953202  | v1:4     | null  | null | unlabelled | local   | 0     |
 | 987187  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 1000780 | v1:6     | 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 |
 |--------|----------|-------|------|------------|---------|-------|
 | 59051  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 365905 | v1:4     | null  | null | unlabelled | bier    | 1352  |
 | 542178 | v1:6     | null  | null | unlabelled | bier    | 1040  |
 | 739095 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 891414 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 979548 | tester:6 | 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 |
 |--------|----------|-------|------|------------|---------|-------|
 | 105983 | v1:4     | null  | null | unlabelled | bier    | 832   |
 | 256588 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 561120 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 731751 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 736130 | v1:6     | null  | null | unlabelled | bier    | 520   |
 | 894094 | tester:6 | null  | null | unlabelled | local   | 0     |
 |________|__________|_______|______|____________|_________|_______|
r4#
r4#