here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~|~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface | hop  | label      | targets | bytes |
 |--------|----------|-------|------|------------|---------|-------|
 | 29328  | v1:6     | null  | null | unlabelled | local   | 0     |
 | 202160 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 576668 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 633920 | v1:4     | null  | null | unlabelled | bier    | 520   |
 | 654242 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 675794 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 690338 | v1:6     | null  | null | unlabelled | bier    | 520   |
 | 738929 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 844553 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 926168 | 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 |
 |--------|----------|-------|------|------------|---------|-------|
 | 101753 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 132427 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 277012 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 344279 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 354328 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 676519 | v1:4     | null  | null | unlabelled | bier    | 1040  |
 | 793290 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 831722 | v1:6     | null  | null | unlabelled | bier    | 1040  |
 | 902711 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 932290 | v1:4     | 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 |
 |---------|----------|-------|------|------------|---------|-------|
 | 6541    | v1:6     | null  | null | unlabelled | local   | 0     |
 | 20335   | tester:6 | null  | null | unlabelled | local   | 0     |
 | 91284   | tester:4 | null  | null | unlabelled | local   | 0     |
 | 370976  | v1:6     | null  | null | unlabelled | bier    | 1040  |
 | 448474  | v1:4     | null  | null | unlabelled | local   | 0     |
 | 482433  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 755610  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 773893  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 813094  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 1026348 | v1:4     | null  | null | unlabelled | bier    | 1040  |
 |_________|__________|_______|______|____________|_________|_______|
r3#
r3#
here is the lib:
r4#
r4#
r4#show mpls forw
r4#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~|~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface | hop  | label      | targets | bytes |
 |--------|----------|-------|------|------------|---------|-------|
 | 68380  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 119792 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 207537 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 237817 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 402019 | v1:6     | null  | null | unlabelled | bier    | 520   |
 | 405608 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 419187 | v1:4     | null  | null | unlabelled | bier    | 520   |
 | 430453 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 729713 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 857446 | tester:4 | null  | null | unlabelled | local   | 0     |
 |________|__________|_______|______|____________|_________|_______|
r4#
r4#