here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~~|~~~~~~~~~~|~~~~~~~|~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label   | vrf      | iface | hop  | label      | targets | bytes |
 |---------|----------|-------|------|------------|---------|-------|
 | 66724   | v1:6     | null  | null | unlabelled | local   | 0     |
 | 71579   | v1:4     | null  | null | unlabelled | local   | 0     |
 | 150234  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 317792  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 494154  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 505943  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 831309  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 951937  | v1:4     | null  | null | unlabelled | bier    | 520   |
 | 1006627 | v1:6     | null  | null | unlabelled | bier    | 520   |
 | 1031533 | 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 |
 |--------|----------|-------|------|------------|---------|-------|
 | 34636  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 56506  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 160144 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 422452 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 427316 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 462829 | v1:4     | null  | null | unlabelled | bier    | 1144  |
 | 617601 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 729591 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 870903 | v1:6     | null  | null | unlabelled | bier    | 1040  |
 | 898863 | 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 |
 |---------|----------|-------|------|------------|---------|-------|
 | 33333   | v1:4     | null  | null | unlabelled | bier    | 1144  |
 | 98716   | tester:6 | null  | null | unlabelled | local   | 0     |
 | 267688  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 378936  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 514551  | v1:6     | null  | null | unlabelled | bier    | 1040  |
 | 648687  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 682601  | v1:4     | null  | null | unlabelled | local   | 0     |
 | 731976  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 777665  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 1040198 | v1:6     | 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 |
 |---------|----------|-------|------|------------|---------|-------|
 | 83998   | v1:4     | null  | null | unlabelled | local   | 0     |
 | 282141  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 350784  | v1:6     | null  | null | unlabelled | bier    | 520   |
 | 373969  | v1:6     | null  | null | unlabelled | local   | 0     |
 | 416656  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 703290  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 874185  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 887996  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 900139  | v1:4     | null  | null | unlabelled | bier    | 624   |
 | 1031215 | tester:6 | null  | null | unlabelled | local   | 0     |
 |_________|__________|_______|______|____________|_________|_______|
r4#
r4#