here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~|~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface | hop  | label      | targets | bytes |
 |--------|----------|-------|------|------------|---------|-------|
 | 222450 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 421724 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 488224 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 592682 | v1:6     | null  | null | unlabelled | bier    | 520   |
 | 628619 | v1:4     | null  | null | unlabelled | bier    | 520   |
 | 991301 | 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 |
 |--------|----------|-------|------|------------|---------|-------|
 | 51514  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 53362  | v1:4     | null  | null | unlabelled | local   | 0     |
 | 168544 | v1:6     | null  | null | unlabelled | bier    | 1040  |
 | 547396 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 700567 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 739056 | v1:4     | null  | null | unlabelled | bier    | 1352  |
 |________|__________|_______|______|____________|_________|_______|
r2#
r2#
here is the lib:
r3#
r3#
r3#show mpls forw
r3#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~|~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface | hop  | label      | targets | bytes |
 |--------|----------|-------|------|------------|---------|-------|
 | 7420   | v1:4     | null  | null | unlabelled | bier    | 1352  |
 | 132051 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 411150 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 501624 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 517130 | v1:6     | null  | null | unlabelled | bier    | 1040  |
 | 726846 | tester: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 |
 |--------|----------|-------|------|------------|---------|-------|
 | 121807 | v1:4     | null  | null | unlabelled | bier    | 832   |
 | 286573 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 375567 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 466231 | v1:6     | null  | null | unlabelled | bier    | 520   |
 | 681402 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 711821 | v1:4     | null  | null | unlabelled | local   | 0     |
 |________|__________|_______|______|____________|_________|_______|
r4#
r4#