here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~|~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface | hop  | label      | targets | bytes |
 |--------|----------|-------|------|------------|---------|-------|
 | 277518 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 467267 | v1:6     | null  | null | unlabelled | bier    | 520   |
 | 525562 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 547290 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 728163 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 742819 | v1:4     | 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 |
 |--------|----------|-------|------|------------|---------|-------|
 | 984    | tester:4 | null  | null | unlabelled | local   | 0     |
 | 221247 | v1:4     | null  | null | unlabelled | bier    | 1456  |
 | 233405 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 333620 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 454032 | v1:6     | null  | null | unlabelled | bier    | 1040  |
 | 462821 | v1:4     | 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 |
 |--------|----------|-------|------|------------|---------|-------|
 | 2601   | tester:4 | null  | null | unlabelled | local   | 0     |
 | 50263  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 530174 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 690180 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 766953 | v1:6     | null  | null | unlabelled | bier    | 1040  |
 | 804307 | v1:4     | 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 |
 |---------|----------|-------|------|------------|---------|-------|
 | 44786   | tester:6 | null  | null | unlabelled | local   | 0     |
 | 219895  | v1:6     | null  | null | unlabelled | bier    | 520   |
 | 544266  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 948301  | v1:4     | null  | null | unlabelled | local   | 0     |
 | 1009031 | v1:4     | null  | null | unlabelled | bier    | 936   |
 | 1038702 | v1:6     | null  | null | unlabelled | local   | 0     |
 |_________|__________|_______|______|____________|_________|_______|
r4#
r4#