here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~|~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface | hop  | label      | targets | bytes |
 |--------|----------|-------|------|------------|---------|-------|
 | 105078 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 115771 | v1:6     | null  | null | unlabelled | bier    | 520   |
 | 138185 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 141121 | v1:4     | null  | null | unlabelled | bier    | 520   |
 | 514287 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 858541 | 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 |
 |--------|----------|-------|------|------------|---------|-------|
 | 118924 | v1:4     | null  | null | unlabelled | bier    | 1144  |
 | 163103 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 351621 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 798442 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 835724 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 852213 | v1:6     | 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 |
 |---------|----------|-------|------|------------|---------|-------|
 | 254857  | v1:4     | null  | null | unlabelled | local   | 0     |
 | 421341  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 510855  | v1:4     | null  | null | unlabelled | bier    | 1144  |
 | 675058  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 763230  | v1:6     | null  | null | unlabelled | local   | 0     |
 | 1029826 | v1:6     | null  | null | unlabelled | bier    | 1040  |
 |_________|__________|_______|______|____________|_________|_______|
r3#
r3#
here is the lib:
r4#
r4#
r4#show mpls forw
r4#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~|~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface | hop  | label      | targets | bytes |
 |--------|----------|-------|------|------------|---------|-------|
 | 247454 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 279720 | v1:6     | null  | null | unlabelled | bier    | 520   |
 | 394410 | v1:4     | null  | null | unlabelled | bier    | 624   |
 | 456362 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 648217 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 744858 | tester:6 | null  | null | unlabelled | local   | 0     |
 |________|__________|_______|______|____________|_________|_______|
r4#
r4#