here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~|~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface | hop  | label      | targets | bytes |
 |--------|----------|-------|------|------------|---------|-------|
 | 381308 | v1:4     | null  | null | unlabelled | bier    | 520   |
 | 653391 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 702880 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 757086 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 856958 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 898397 | 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 |
 |---------|----------|-------|------|------------|---------|-------|
 | 166609  | v1:4     | null  | null | unlabelled | bier    | 1040  |
 | 217231  | v1:6     | null  | null | unlabelled | bier    | 1040  |
 | 413537  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 532144  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 843853  | v1:4     | null  | null | unlabelled | local   | 0     |
 | 1029998 | 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 |
 |--------|----------|-------|------|------------|---------|-------|
 | 196439 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 411854 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 449945 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 676852 | v1:4     | null  | null | unlabelled | bier    | 1040  |
 | 819207 | v1:6     | null  | null | unlabelled | bier    | 1040  |
 | 860288 | v1:4     | 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 |
 |--------|----------|-------|------|------------|---------|-------|
 | 55309  | v1:6     | null  | null | unlabelled | bier    | 520   |
 | 57428  | v1:6     | null  | null | unlabelled | local   | 0     |
 | 202827 | v1:4     | null  | null | unlabelled | bier    | 520   |
 | 536350 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 612770 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 970102 | v1:4     | null  | null | unlabelled | local   | 0     |
 |________|__________|_______|______|____________|_________|_______|
r4#
r4#