here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~~|~~~~~~~~~~|~~~~~~~|~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label   | vrf      | iface | hop  | label      | targets | bytes |
 |---------|----------|-------|------|------------|---------|-------|
 | 42596   | tester:6 | null  | null | unlabelled | local   | 0     |
 | 96016   | tester:6 | null  | null | unlabelled | local   | 0     |
 | 138026  | v1:6     | null  | null | unlabelled | bier    | 520   |
 | 197073  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 237219  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 460220  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 667195  | v1:6     | null  | null | unlabelled | local   | 0     |
 | 867286  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 1002470 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 1022794 | 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 |
 |--------|----------|-------|------|------------|---------|-------|
 | 34728  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 189956 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 226670 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 237711 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 241541 | v1:4     | null  | null | unlabelled | bier    | 1456  |
 | 253992 | v1:6     | null  | null | unlabelled | bier    | 1040  |
 | 356843 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 439978 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 772919 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 782003 | 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 |
 |--------|----------|-------|------|------------|---------|-------|
 | 167665 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 209511 | v1:6     | null  | null | unlabelled | bier    | 1040  |
 | 242861 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 248516 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 318735 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 366817 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 456037 | v1:4     | null  | null | unlabelled | bier    | 1456  |
 | 564496 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 679655 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 700425 | 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 |
 |--------|----------|-------|------|------------|---------|-------|
 | 150965 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 397788 | v1:6     | null  | null | unlabelled | bier    | 520   |
 | 400630 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 473682 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 475095 | v1:4     | null  | null | unlabelled | bier    | 936   |
 | 605115 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 607671 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 657878 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 811444 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 848095 | tester:4 | null  | null | unlabelled | local   | 0     |
 |________|__________|_______|______|____________|_________|_______|
r4#
r4#