here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~|~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface | hop  | label      | targets | bytes |
 |--------|----------|-------|------|------------|---------|-------|
 | 154051 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 230637 | v1:6     | null  | null | unlabelled | bier    | 520   |
 | 336008 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 435154 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 868424 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 892833 | v1:4     | null  | null | unlabelled | bier    | 520   |
 |________|__________|_______|______|____________|_________|_______|
r1#
r1#
here is the lib:
r2#
r2#
r2#show mpls forw
r2#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~|~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface | hop  | label      | targets | bytes |
 |--------|----------|-------|------|------------|---------|-------|
 | 135252 | v1:6     | null  | null | unlabelled | bier    | 1040  |
 | 156498 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 363414 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 469263 | v1:4     | null  | null | unlabelled | bier    | 1040  |
 | 962153 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 984185 | 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 |
 |---------|----------|-------|------|------------|---------|-------|
 | 254794  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 677033  | v1:6     | null  | null | unlabelled | bier    | 1040  |
 | 789596  | v1:4     | null  | null | unlabelled | local   | 0     |
 | 811786  | v1:4     | null  | null | unlabelled | bier    | 1040  |
 | 846632  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 1046484 | 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 |
 |--------|----------|-------|------|------------|---------|-------|
 | 1313   | v1:6     | null  | null | unlabelled | bier    | 520   |
 | 122346 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 289136 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 557029 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 943763 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 951336 | v1:4     | null  | null | unlabelled | bier    | 520   |
 |________|__________|_______|______|____________|_________|_______|
r4#
r4#