here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~|~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface | hop  | label      | targets | bytes |
 |--------|----------|-------|------|------------|---------|-------|
 | 291037 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 310628 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 319517 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 326511 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 556374 | v1:6     | null  | null | unlabelled | bier    | 520   |
 | 566460 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 669593 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 681665 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 788632 | v1:4     | null  | null | unlabelled | bier    | 520   |
 | 982876 | 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 |
 |---------|----------|-------|------|------------|---------|-------|
 | 55218   | v1:6     | null  | null | unlabelled | local   | 0     |
 | 423861  | v1:4     | null  | null | unlabelled | local   | 0     |
 | 464823  | v1:6     | null  | null | unlabelled | bier    | 1040  |
 | 592855  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 613326  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 633622  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 644772  | v1:4     | null  | null | unlabelled | bier    | 1456  |
 | 927483  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 952973  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 1037098 | 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 |
 |---------|----------|-------|------|------------|---------|-------|
 | 29177   | tester:6 | null  | null | unlabelled | local   | 0     |
 | 473076  | v1:6     | null  | null | unlabelled | local   | 0     |
 | 507940  | v1:4     | null  | null | unlabelled | local   | 0     |
 | 719107  | v1:6     | null  | null | unlabelled | bier    | 1040  |
 | 720778  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 729779  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 829078  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 864538  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 1007052 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 1017856 | v1:4     | null  | null | unlabelled | bier    | 1456  |
 |_________|__________|_______|______|____________|_________|_______|
r3#
r3#
here is the lib:
r4#
r4#
r4#show mpls forw
r4#show mpls forw
 |~~~~~~~~~|~~~~~~~~~~|~~~~~~~|~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label   | vrf      | iface | hop  | label      | targets | bytes |
 |---------|----------|-------|------|------------|---------|-------|
 | 11309   | v1:6     | null  | null | unlabelled | local   | 0     |
 | 244816  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 259569  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 293088  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 367508  | v1:4     | null  | null | unlabelled | local   | 0     |
 | 452602  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 474123  | v1:6     | null  | null | unlabelled | bier    | 520   |
 | 508106  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 779161  | v1:4     | null  | null | unlabelled | bier    | 936   |
 | 1029888 | tester:4 | null  | null | unlabelled | local   | 0     |
 |_________|__________|_______|______|____________|_________|_______|
r4#
r4#