here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~|~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface | hop  | label      | targets | bytes |
 |--------|----------|-------|------|------------|---------|-------|
 | 30852  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 55949  | v1:4     | null  | null | unlabelled | local   | 0     |
 | 337095 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 701230 | v1:4     | null  | null | unlabelled | bier    | 520   |
 | 750156 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 846852 | v1:6     | 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 |
 |--------|----------|-------|------|------------|---------|-------|
 | 411823 | v1:6     | null  | null | unlabelled | bier    | 1040  |
 | 435721 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 490643 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 506108 | v1:4     | null  | null | unlabelled | bier    | 1040  |
 | 543970 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 804623 | 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 |
 |--------|----------|-------|------|------------|---------|-------|
 | 48575  | v1:4     | null  | null | unlabelled | bier    | 1040  |
 | 95380  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 340761 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 736631 | v1:6     | null  | null | unlabelled | bier    | 1040  |
 | 773928 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 978663 | v1:6     | 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 |
 |---------|----------|-------|------|------------|---------|-------|
 | 565141  | v1:6     | null  | null | unlabelled | bier    | 520   |
 | 937693  | v1:4     | null  | null | unlabelled | local   | 0     |
 | 949489  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 952840  | v1:4     | null  | null | unlabelled | bier    | 520   |
 | 985214  | v1:6     | null  | null | unlabelled | local   | 0     |
 | 1018861 | tester:6 | null  | null | unlabelled | local   | 0     |
 |_________|__________|_______|______|____________|_________|_______|
r4#
r4#