here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~~|~~~~~~~~~~|~~~~~~~|~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label   | vrf      | iface | hop  | label      | targets | bytes |
 |---------|----------|-------|------|------------|---------|-------|
 | 240845  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 327154  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 408607  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 421539  | v1:6     | null  | null | unlabelled | bier    | 520   |
 | 467087  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 470575  | v1:4     | null  | null | unlabelled | bier    | 520   |
 | 604300  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 900299  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 970098  | v1:4     | null  | null | unlabelled | local   | 0     |
 | 1045080 | v1:6     | 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 |
 |---------|----------|-------|------|------------|---------|-------|
 | 55796   | tester:4 | null  | null | unlabelled | local   | 0     |
 | 238061  | v1:4     | null  | null | unlabelled | bier    | 1040  |
 | 265869  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 292060  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 422618  | v1:4     | null  | null | unlabelled | local   | 0     |
 | 598323  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 855511  | v1:6     | null  | null | unlabelled | bier    | 1040  |
 | 961368  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 972956  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 1033576 | 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 |
 |--------|----------|-------|------|------------|---------|-------|
 | 11582  | v1:6     | null  | null | unlabelled | local   | 0     |
 | 28017  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 314274 | v1:4     | null  | null | unlabelled | bier    | 1040  |
 | 336990 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 412390 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 442120 | v1:6     | null  | null | unlabelled | bier    | 1040  |
 | 542504 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 722588 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 826777 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 928014 | 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 |
 |---------|----------|-------|------|------------|---------|-------|
 | 48295   | v1:6     | null  | null | unlabelled | local   | 0     |
 | 99003   | v1:4     | null  | null | unlabelled | local   | 0     |
 | 131437  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 183490  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 418810  | v1:6     | null  | null | unlabelled | bier    | 520   |
 | 436696  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 525788  | v1:4     | null  | null | unlabelled | bier    | 520   |
 | 720787  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 987695  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 1018018 | tester:6 | null  | null | unlabelled | local   | 0     |
 |_________|__________|_______|______|____________|_________|_______|
r4#
r4#