here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~|~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface | hop  | label      | targets | bytes |
 |--------|----------|-------|------|------------|---------|-------|
 | 91740  | v1:4     | null  | null | unlabelled | local   | 0     |
 | 150215 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 550915 | v1:4     | null  | null | unlabelled | bier    | 520   |
 | 793837 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 806566 | v1:6     | null  | null | unlabelled | bier    | 520   |
 | 923961 | v1:6     | 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 |
 |--------|----------|-------|------|------------|---------|-------|
 | 165686 | v1:4     | null  | null | unlabelled | bier    | 1248  |
 | 258417 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 330352 | v1:6     | null  | null | unlabelled | bier    | 1040  |
 | 602225 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 617633 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 633598 | 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 |
 |--------|----------|-------|------|------------|---------|-------|
 | 118657 | v1:4     | null  | null | unlabelled | bier    | 1248  |
 | 162534 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 176968 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 448067 | v1:6     | null  | null | unlabelled | bier    | 1040  |
 | 668962 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 771107 | 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 |
 |--------|----------|-------|------|------------|---------|-------|
 | 228512 | v1:4     | null  | null | unlabelled | bier    | 728   |
 | 253854 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 320812 | v1:6     | null  | null | unlabelled | bier    | 520   |
 | 462051 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 625483 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 933710 | v1:6     | null  | null | unlabelled | local   | 0     |
 |________|__________|_______|______|____________|_________|_______|
r4#
r4#