here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~|~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface | hop  | label      | targets | bytes |
 |--------|----------|-------|------|------------|---------|-------|
 | 146582 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 178455 | v1:6     | null  | null | unlabelled | bier    | 520   |
 | 432420 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 485190 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 551307 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 579232 | v1:4     | null  | null | unlabelled | bier    | 520   |
 | 770935 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 857730 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 976921 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 992121 | 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 |
 |---------|----------|-------|------|------------|---------|-------|
 | 20372   | tester:4 | null  | null | unlabelled | local   | 0     |
 | 65449   | v1:6     | null  | null | unlabelled | local   | 0     |
 | 275496  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 592802  | v1:4     | null  | null | unlabelled | local   | 0     |
 | 753907  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 756126  | v1:6     | null  | null | unlabelled | bier    | 1040  |
 | 770148  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 957986  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 960539  | v1:4     | null  | null | unlabelled | bier    | 1040  |
 | 1008597 | tester:6 | 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 |
 |--------|----------|-------|------|------------|---------|-------|
 | 333711 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 411739 | v1:4     | null  | null | unlabelled | bier    | 1040  |
 | 432764 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 596381 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 658840 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 686747 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 698121 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 768333 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 938711 | v1:6     | null  | null | unlabelled | bier    | 1040  |
 | 949198 | 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 |
 |--------|----------|-------|------|------------|---------|-------|
 | 62829  | v1:4     | null  | null | unlabelled | bier    | 520   |
 | 66970  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 357480 | v1:6     | null  | null | unlabelled | bier    | 520   |
 | 389034 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 433070 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 485274 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 611036 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 720668 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 803278 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 882340 | tester:4 | null  | null | unlabelled | local   | 0     |
 |________|__________|_______|______|____________|_________|_______|
r4#
r4#