here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~|~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface | hop  | label      | targets | bytes |
 |--------|----------|-------|------|------------|---------|-------|
 | 12616  | v1:6     | null  | null | unlabelled | local   | 0     |
 | 35071  | v1:6     | null  | null | unlabelled | bier    | 520   |
 | 61200  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 61822  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 155319 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 332030 | v1:4     | null  | null | unlabelled | bier    | 520   |
 | 391761 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 494919 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 922999 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 976254 | 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 |
 |---------|----------|-------|------|------------|---------|-------|
 | 128436  | v1:4     | null  | null | unlabelled | local   | 0     |
 | 173300  | v1:6     | null  | null | unlabelled | local   | 0     |
 | 185723  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 298952  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 418004  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 479098  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 598408  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 756550  | v1:4     | null  | null | unlabelled | bier    | 1040  |
 | 795051  | v1:6     | null  | null | unlabelled | bier    | 1040  |
 | 1010526 | tester: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 |
 |---------|----------|-------|------|------------|---------|-------|
 | 18456   | tester:6 | null  | null | unlabelled | local   | 0     |
 | 94355   | tester:4 | null  | null | unlabelled | local   | 0     |
 | 186881  | v1:6     | null  | null | unlabelled | bier    | 1040  |
 | 232257  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 251612  | v1:6     | null  | null | unlabelled | local   | 0     |
 | 323636  | v1:4     | null  | null | unlabelled | local   | 0     |
 | 587568  | v1:4     | null  | null | unlabelled | bier    | 1040  |
 | 983761  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 1008726 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 1044167 | 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 |
 |--------|----------|-------|------|------------|---------|-------|
 | 18853  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 56936  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 210410 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 576551 | v1:4     | null  | null | unlabelled | bier    | 520   |
 | 707839 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 827984 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 841954 | v1:6     | null  | null | unlabelled | bier    | 520   |
 | 888575 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 913808 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 935004 | v1:6     | null  | null | unlabelled | local   | 0     |
 |________|__________|_______|______|____________|_________|_______|
r4#
r4#