here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~~|~~~~~~~~~~|~~~~~~~|~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label   | vrf      | iface | hop  | label      | targets | bytes |
 |---------|----------|-------|------|------------|---------|-------|
 | 91411   | tester:6 | null  | null | unlabelled | local   | 0     |
 | 184243  | v1:4     | null  | null | unlabelled | bier    | 520   |
 | 205820  | v1:6     | null  | null | unlabelled | local   | 0     |
 | 280335  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 286434  | v1:6     | null  | null | unlabelled | bier    | 520   |
 | 286660  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 294029  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 504263  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 896934  | v1:4     | null  | null | unlabelled | local   | 0     |
 | 1027137 | 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 |
 |---------|----------|-------|------|------------|---------|-------|
 | 197732  | v1:6     | null  | null | unlabelled | local   | 0     |
 | 386732  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 387091  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 519830  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 540793  | v1:6     | null  | null | unlabelled | bier    | 1040  |
 | 719347  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 767928  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 845739  | v1:4     | null  | null | unlabelled | local   | 0     |
 | 938312  | v1:4     | null  | null | unlabelled | bier    | 1456  |
 | 1004912 | 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 |
 |--------|----------|-------|------|------------|---------|-------|
 | 95833  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 113764 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 508948 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 564277 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 579618 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 587455 | v1:6     | null  | null | unlabelled | bier    | 1040  |
 | 655718 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 694177 | v1:4     | null  | null | unlabelled | bier    | 1456  |
 | 802473 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 923432 | 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 |
 |--------|----------|-------|------|------------|---------|-------|
 | 142911 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 223947 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 322009 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 474964 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 481948 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 483365 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 514701 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 765993 | v1:6     | null  | null | unlabelled | bier    | 520   |
 | 931324 | v1:4     | null  | null | unlabelled | bier    | 936   |
 | 990896 | tester:4 | null  | null | unlabelled | local   | 0     |
 |________|__________|_______|______|____________|_________|_______|
r4#
r4#