here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~~|~~~~~~~~~~|~~~~~~~|~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label   | vrf      | iface | hop  | label      | targets | bytes |
 |---------|----------|-------|------|------------|---------|-------|
 | 242033  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 389535  | v1:6     | null  | null | unlabelled | bier    | 520   |
 | 552921  | v1:4     | null  | null | unlabelled | bier    | 520   |
 | 597921  | v1:4     | null  | null | unlabelled | local   | 0     |
 | 620314  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 664551  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 741370  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 896797  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 1003062 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 1046352 | 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 |
 |---------|----------|-------|------|------------|---------|-------|
 | 36942   | tester:4 | null  | null | unlabelled | local   | 0     |
 | 384920  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 396774  | v1:6     | null  | null | unlabelled | bier    | 1040  |
 | 481516  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 580809  | v1:4     | null  | null | unlabelled | local   | 0     |
 | 826476  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 897328  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 998372  | v1:6     | null  | null | unlabelled | local   | 0     |
 | 1037093 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 1048100 | v1:4     | null  | null | unlabelled | bier    | 1040  |
 |_________|__________|_______|______|____________|_________|_______|
r2#
r2#
here is the lib:
r3#
r3#
r3#show mpls forw
r3#show mpls forw
 |~~~~~~~~~|~~~~~~~~~~|~~~~~~~|~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label   | vrf      | iface | hop  | label      | targets | bytes |
 |---------|----------|-------|------|------------|---------|-------|
 | 120000  | v1:6     | null  | null | unlabelled | local   | 0     |
 | 522043  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 569248  | v1:6     | null  | null | unlabelled | bier    | 1040  |
 | 588017  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 642674  | v1:4     | null  | null | unlabelled | local   | 0     |
 | 706099  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 864044  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 909324  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 1030203 | v1:4     | null  | null | unlabelled | bier    | 1040  |
 | 1044623 | tester: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 |
 |---------|----------|-------|------|------------|---------|-------|
 | 22491   | v1:6     | null  | null | unlabelled | bier    | 520   |
 | 24377   | tester:4 | null  | null | unlabelled | local   | 0     |
 | 148550  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 188014  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 225858  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 340212  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 424959  | v1:6     | null  | null | unlabelled | local   | 0     |
 | 871982  | v1:4     | null  | null | unlabelled | local   | 0     |
 | 949632  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 1024447 | v1:4     | null  | null | unlabelled | bier    | 520   |
 |_________|__________|_______|______|____________|_________|_______|
r4#
r4#