here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~|~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface | hop  | label      | targets | bytes |
 |--------|----------|-------|------|------------|---------|-------|
 | 114633 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 274971 | v1:4     | null  | null | unlabelled | bier    | 520   |
 | 305084 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 326923 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 671592 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 990461 | 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 |
 |--------|----------|-------|------|------------|---------|-------|
 | 195910 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 208290 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 642111 | v1:4     | null  | null | unlabelled | bier    | 1040  |
 | 720445 | v1:6     | null  | null | unlabelled | bier    | 1456  |
 | 954454 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 973178 | tester:4 | 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 |
 |--------|----------|-------|------|------------|---------|-------|
 | 295191 | v1:4     | null  | null | unlabelled | bier    | 1040  |
 | 320940 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 438948 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 519383 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 762987 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 861365 | v1:6     | null  | null | unlabelled | bier    | 1456  |
 |________|__________|_______|______|____________|_________|_______|
r3#
r3#
here is the lib:
r4#
r4#
r4#show mpls forw
r4#show mpls forw
 |~~~~~~~~~|~~~~~~~~~~|~~~~~~~|~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label   | vrf      | iface | hop  | label      | targets | bytes |
 |---------|----------|-------|------|------------|---------|-------|
 | 68252   | v1:4     | null  | null | unlabelled | local   | 0     |
 | 336679  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 804996  | v1:6     | null  | null | unlabelled | bier    | 936   |
 | 858455  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 1024406 | v1:4     | null  | null | unlabelled | bier    | 520   |
 | 1030860 | v1:6     | null  | null | unlabelled | local   | 0     |
 |_________|__________|_______|______|____________|_________|_______|
r4#
r4#