here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~|~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface | hop  | label      | targets | bytes |
 |--------|----------|-------|------|------------|---------|-------|
 | 23400  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 150275 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 185010 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 197612 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 356625 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 414881 | v1:6     | null  | null | unlabelled | bier    | 520   |
 | 673008 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 722678 | v1:4     | null  | null | unlabelled | bier    | 520   |
 | 954771 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 981899 | tester:4 | 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 |
 |---------|----------|-------|------|------------|---------|-------|
 | 194020  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 227367  | v1:4     | null  | null | unlabelled | local   | 0     |
 | 229592  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 326420  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 422499  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 563773  | v1:4     | null  | null | unlabelled | bier    | 1248  |
 | 934093  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 971859  | v1:6     | null  | null | unlabelled | bier    | 1040  |
 | 986771  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 1018463 | v1:6     | 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 |
 |--------|----------|-------|------|------------|---------|-------|
 | 194274 | v1:6     | null  | null | unlabelled | bier    | 1040  |
 | 313982 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 396663 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 466004 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 477591 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 560694 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 694470 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 776065 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 857821 | v1:4     | null  | null | unlabelled | bier    | 1248  |
 | 905676 | 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 |
 |---------|----------|-------|------|------------|---------|-------|
 | 70339   | tester:6 | null  | null | unlabelled | local   | 0     |
 | 363433  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 396497  | v1:4     | null  | null | unlabelled | bier    | 728   |
 | 422084  | v1:6     | null  | null | unlabelled | local   | 0     |
 | 464889  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 584296  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 706262  | v1:6     | null  | null | unlabelled | bier    | 520   |
 | 819165  | v1:4     | null  | null | unlabelled | local   | 0     |
 | 917442  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 1035550 | tester:4 | null  | null | unlabelled | local   | 0     |
 |_________|__________|_______|______|____________|_________|_______|
r4#
r4#