here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~|~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface | hop  | label      | targets | bytes |
 |--------|----------|-------|------|------------|---------|-------|
 | 378755 | v1:6     | null  | null | unlabelled | bier    | 520   |
 | 411537 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 524629 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 668033 | v1:4     | null  | null | unlabelled | bier    | 520   |
 | 861784 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 932611 | tester: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 |
 |--------|----------|-------|------|------------|---------|-------|
 | 125409 | v1:6     | null  | null | unlabelled | bier    | 1040  |
 | 339382 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 506086 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 544435 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 874512 | v1:4     | null  | null | unlabelled | bier    | 1040  |
 | 981635 | 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 |
 |--------|----------|-------|------|------------|---------|-------|
 | 228646 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 356122 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 472828 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 480968 | v1:6     | null  | null | unlabelled | bier    | 1040  |
 | 597323 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 693419 | v1:4     | 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 |
 |--------|----------|-------|------|------------|---------|-------|
 | 239482 | v1:4     | null  | null | unlabelled | bier    | 520   |
 | 269782 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 302934 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 357148 | v1:6     | null  | null | unlabelled | bier    | 520   |
 | 545920 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 560478 | tester:4 | null  | null | unlabelled | local   | 0     |
 |________|__________|_______|______|____________|_________|_______|
r4#
r4#