here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~|~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface | hop  | label      | targets | bytes |
 |--------|----------|-------|------|------------|---------|-------|
 | 223513 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 289771 | v1:4     | null  | null | unlabelled | bier    | 520   |
 | 463187 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 611570 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 625862 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 650683 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 657005 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 700524 | v1:6     | null  | null | unlabelled | bier    | 520   |
 | 747060 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 880486 | 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 |
 |--------|----------|-------|------|------------|---------|-------|
 | 4701   | v1:4     | null  | null | unlabelled | bier    | 1144  |
 | 77942  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 268086 | v1:6     | null  | null | unlabelled | bier    | 1040  |
 | 339742 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 352563 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 511978 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 572488 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 586452 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 744095 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 984286 | 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 |
 |--------|----------|-------|------|------------|---------|-------|
 | 3549   | v1:6     | null  | null | unlabelled | local   | 0     |
 | 84369  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 120986 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 244576 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 420322 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 563875 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 576448 | v1:4     | null  | null | unlabelled | bier    | 1144  |
 | 588372 | v1:6     | null  | null | unlabelled | bier    | 1040  |
 | 918675 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 958352 | 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 |
 |--------|----------|-------|------|------------|---------|-------|
 | 18451  | v1:6     | null  | null | unlabelled | bier    | 520   |
 | 104650 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 127243 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 339328 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 362828 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 511644 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 533879 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 670309 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 886801 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 955516 | v1:4     | null  | null | unlabelled | bier    | 624   |
 |________|__________|_______|______|____________|_________|_______|
r4#
r4#