here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~|~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface | hop  | label      | targets | bytes |
 |--------|----------|-------|------|------------|---------|-------|
 | 18894  | v1:4     | null  | null | unlabelled | bier    | 520   |
 | 293887 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 385810 | v1:6     | null  | null | unlabelled | bier    | 520   |
 | 690630 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 735735 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 929117 | tester:4 | null  | null | unlabelled | local   | 0     |
 |________|__________|_______|______|____________|_________|_______|
r1#
r1#
here is the lib:
r2#
r2#
r2#show mpls forw
r2#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~|~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface | hop  | label      | targets | bytes |
 |--------|----------|-------|------|------------|---------|-------|
 | 32307  | v1:6     | null  | null | unlabelled | local   | 0     |
 | 147168 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 357235 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 506749 | v1:4     | null  | null | unlabelled | bier    | 1352  |
 | 651292 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 958464 | v1:6     | null  | null | unlabelled | bier    | 1040  |
 |________|__________|_______|______|____________|_________|_______|
r2#
r2#
here is the lib:
r3#
r3#
r3#show mpls forw
r3#show mpls forw
 |~~~~~~~~~|~~~~~~~~~~|~~~~~~~|~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label   | vrf      | iface | hop  | label      | targets | bytes |
 |---------|----------|-------|------|------------|---------|-------|
 | 206139  | v1:6     | null  | null | unlabelled | bier    | 1040  |
 | 263926  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 441042  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 791455  | v1:4     | null  | null | unlabelled | local   | 0     |
 | 1012640 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 1043159 | v1:4     | null  | null | unlabelled | bier    | 1352  |
 |_________|__________|_______|______|____________|_________|_______|
r3#
r3#
here is the lib:
r4#
r4#
r4#show mpls forw
r4#show mpls forw
 |~~~~~~~~~|~~~~~~~~~~|~~~~~~~|~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label   | vrf      | iface | hop  | label      | targets | bytes |
 |---------|----------|-------|------|------------|---------|-------|
 | 69434   | v1:6     | null  | null | unlabelled | local   | 0     |
 | 421921  | v1:4     | null  | null | unlabelled | local   | 0     |
 | 889795  | v1:6     | null  | null | unlabelled | bier    | 520   |
 | 895825  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 924882  | v1:4     | null  | null | unlabelled | bier    | 832   |
 | 1039051 | tester:6 | null  | null | unlabelled | local   | 0     |
 |_________|__________|_______|______|____________|_________|_______|
r4#
r4#