here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~|~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface | hop  | label      | targets | bytes |
 |--------|----------|-------|------|------------|---------|-------|
 | 74356  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 313580 | v1:4     | null  | null | unlabelled | bier    | 520   |
 | 627698 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 820225 | v1:6     | null  | null | unlabelled | bier    | 520   |
 | 902068 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 995773 | tester:4 | 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 |
 |--------|----------|-------|------|------------|---------|-------|
 | 66674  | v1:6     | null  | null | unlabelled | bier    | 1040  |
 | 389478 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 413054 | v1:4     | null  | null | unlabelled | bier    | 1040  |
 | 508781 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 652554 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 949610 | v1:6     | 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 |
 |---------|----------|-------|------|------------|---------|-------|
 | 77644   | v1:6     | null  | null | unlabelled | local   | 0     |
 | 84143   | tester:4 | null  | null | unlabelled | local   | 0     |
 | 288365  | v1:4     | null  | null | unlabelled | bier    | 1040  |
 | 651496  | v1:4     | null  | null | unlabelled | local   | 0     |
 | 958778  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 1040165 | 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 |
 |--------|----------|-------|------|------------|---------|-------|
 | 68388  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 364501 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 461078 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 601475 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 697964 | v1:4     | null  | null | unlabelled | bier    | 520   |
 | 955172 | v1:6     | null  | null | unlabelled | bier    | 520   |
 |________|__________|_______|______|____________|_________|_______|
r4#
r4#