here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~|~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface | hop  | label      | targets | bytes |
 |--------|----------|-------|------|------------|---------|-------|
 | 512174 | v1:4     | null  | null | unlabelled | bier    | 520   |
 | 616900 | v1:6     | null  | null | unlabelled | bier    | 520   |
 | 695141 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 722771 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 791379 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 878936 | 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 |
 |---------|----------|-------|------|------------|---------|-------|
 | 52065   | v1:4     | null  | null | unlabelled | bier    | 1040  |
 | 109176  | v1:4     | null  | null | unlabelled | local   | 0     |
 | 598989  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 656561  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 757022  | v1:6     | null  | null | unlabelled | local   | 0     |
 | 1002139 | 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 |
 |--------|----------|-------|------|------------|---------|-------|
 | 269319 | v1:6     | null  | null | unlabelled | bier    | 1040  |
 | 452841 | v1:4     | null  | null | unlabelled | bier    | 1040  |
 | 611852 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 677230 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 702587 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 780145 | 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 |
 |--------|----------|-------|------|------------|---------|-------|
 | 333026 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 521911 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 628824 | v1:4     | null  | null | unlabelled | bier    | 520   |
 | 790763 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 867600 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 987233 | v1:6     | null  | null | unlabelled | bier    | 520   |
 |________|__________|_______|______|____________|_________|_______|
r4#
r4#