here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~~|~~~~~~~~~~|~~~~~~~|~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label   | vrf      | iface | hop  | label      | targets | bytes |
 |---------|----------|-------|------|------------|---------|-------|
 | 2927    | tester:6 | null  | null | unlabelled | local   | 0     |
 | 10676   | tester:4 | null  | null | unlabelled | local   | 0     |
 | 69667   | tester:6 | null  | null | unlabelled | local   | 0     |
 | 302591  | v1:6     | null  | null | unlabelled | local   | 0     |
 | 562351  | v1:4     | null  | null | unlabelled | local   | 0     |
 | 570507  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 579016  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 691924  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 731606  | v1:4     | null  | null | unlabelled | bier    | 520   |
 | 1023003 | 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 |
 |---------|----------|-------|------|------------|---------|-------|
 | 46075   | tester:4 | null  | null | unlabelled | local   | 0     |
 | 155656  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 447229  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 458247  | v1:4     | null  | null | unlabelled | local   | 0     |
 | 632344  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 741021  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 747689  | v1:6     | null  | null | unlabelled | local   | 0     |
 | 759088  | v1:4     | null  | null | unlabelled | bier    | 1040  |
 | 966208  | v1:6     | null  | null | unlabelled | bier    | 1040  |
 | 1040948 | 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 |
 |---------|----------|-------|------|------------|---------|-------|
 | 53471   | v1:6     | null  | null | unlabelled | bier    | 1040  |
 | 203857  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 256397  | v1:4     | null  | null | unlabelled | local   | 0     |
 | 341954  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 453307  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 746778  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 813447  | v1:6     | null  | null | unlabelled | local   | 0     |
 | 882678  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 969939  | v1:4     | null  | null | unlabelled | bier    | 1040  |
 | 1041325 | tester: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 |
 |---------|----------|-------|------|------------|---------|-------|
 | 90906   | v1:4     | null  | null | unlabelled | bier    | 520   |
 | 98304   | tester:6 | null  | null | unlabelled | local   | 0     |
 | 192525  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 373020  | v1:6     | null  | null | unlabelled | bier    | 520   |
 | 387794  | v1:6     | null  | null | unlabelled | local   | 0     |
 | 507237  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 613080  | v1:4     | null  | null | unlabelled | local   | 0     |
 | 616173  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 898654  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 1041268 | tester:4 | null  | null | unlabelled | local   | 0     |
 |_________|__________|_______|______|____________|_________|_______|
r4#
r4#