here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~|~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface | hop  | label      | targets | bytes |
 |--------|----------|-------|------|------------|---------|-------|
 | 40847  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 62362  | v1:6     | null  | null | unlabelled | local   | 0     |
 | 155416 | v1:6     | null  | null | unlabelled | bier    | 520   |
 | 230558 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 454688 | v1:4     | null  | null | unlabelled | bier    | 520   |
 | 713818 | 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 |
 |--------|----------|-------|------|------------|---------|-------|
 | 384236 | v1:4     | null  | null | unlabelled | bier    | 1456  |
 | 449601 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 627433 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 750812 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 846071 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 855014 | 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 |
 |--------|----------|-------|------|------------|---------|-------|
 | 182328 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 358536 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 368574 | v1:6     | null  | null | unlabelled | bier    | 1040  |
 | 431455 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 768956 | v1:4     | null  | null | unlabelled | bier    | 1456  |
 | 815517 | 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 |
 |--------|----------|-------|------|------------|---------|-------|
 | 137806 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 138237 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 351455 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 460203 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 555350 | v1:4     | null  | null | unlabelled | bier    | 936   |
 | 996204 | v1:6     | null  | null | unlabelled | bier    | 520   |
 |________|__________|_______|______|____________|_________|_______|
r4#
r4#