here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~|~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface | hop  | label      | targets | bytes |
 |--------|----------|-------|------|------------|---------|-------|
 | 244591 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 281503 | v1:4     | null  | null | unlabelled | bier    | 520   |
 | 331255 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 626611 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 733234 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 813581 | v1:6     | null  | null | unlabelled | bier    | 520   |
 |________|__________|_______|______|____________|_________|_______|
r1#
r1#
here is the lib:
r2#
r2#
r2#show mpls forw
r2#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~|~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface | hop  | label      | targets | bytes |
 |--------|----------|-------|------|------------|---------|-------|
 | 159186 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 368218 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 726771 | v1:4     | null  | null | unlabelled | bier    | 1040  |
 | 736683 | v1:6     | null  | null | unlabelled | bier    | 1040  |
 | 742736 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 967952 | tester: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 |
 |--------|----------|-------|------|------------|---------|-------|
 | 299508 | v1:6     | null  | null | unlabelled | bier    | 1040  |
 | 340447 | v1:4     | null  | null | unlabelled | bier    | 1040  |
 | 386982 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 587119 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 600036 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 931197 | 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 |
 |---------|----------|-------|------|------------|---------|-------|
 | 13768   | v1:4     | null  | null | unlabelled | local   | 0     |
 | 450726  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 559403  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 683301  | v1:4     | null  | null | unlabelled | bier    | 520   |
 | 896778  | v1:6     | null  | null | unlabelled | bier    | 520   |
 | 1034442 | v1:6     | null  | null | unlabelled | local   | 0     |
 |_________|__________|_______|______|____________|_________|_______|
r4#
r4#