here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~|~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface | hop  | label      | targets | bytes |
 |--------|----------|-------|------|------------|---------|-------|
 | 33133  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 129674 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 185754 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 248206 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 360506 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 490265 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 531761 | v1:4     | null  | null | unlabelled | bier    | 520   |
 | 729256 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 936359 | v1:6     | null  | null | unlabelled | bier    | 520   |
 | 999186 | 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 |
 |--------|----------|-------|------|------------|---------|-------|
 | 18145  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 105757 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 283787 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 294813 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 403890 | v1:4     | null  | null | unlabelled | bier    | 1040  |
 | 451116 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 500192 | v1:6     | null  | null | unlabelled | bier    | 1040  |
 | 550201 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 740942 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 908126 | tester:4 | 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 |
 |--------|----------|-------|------|------------|---------|-------|
 | 230688 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 417869 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 778907 | v1:4     | null  | null | unlabelled | bier    | 1040  |
 | 830365 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 846519 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 854673 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 861701 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 867839 | v1:6     | null  | null | unlabelled | bier    | 1040  |
 | 875551 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 968393 | 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 |
 |--------|----------|-------|------|------------|---------|-------|
 | 54603  | v1:4     | null  | null | unlabelled | bier    | 520   |
 | 94945  | v1:4     | null  | null | unlabelled | local   | 0     |
 | 251303 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 323359 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 327794 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 493748 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 647898 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 745866 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 836824 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 959847 | v1:6     | null  | null | unlabelled | bier    | 520   |
 |________|__________|_______|______|____________|_________|_______|
r4#
r4#