here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~|~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface | hop  | label      | targets | bytes |
 |--------|----------|-------|------|------------|---------|-------|
 | 211051 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 231013 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 500226 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 516588 | v1:4     | null  | null | unlabelled | bier    | 520   |
 | 959793 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 977759 | 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 |
 |--------|----------|-------|------|------------|---------|-------|
 | 219569 | v1:4     | null  | null | unlabelled | bier    | 1456  |
 | 254665 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 286372 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 353344 | v1:6     | null  | null | unlabelled | bier    | 1040  |
 | 506007 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 546407 | 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 |
 |--------|----------|-------|------|------------|---------|-------|
 | 51138  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 354394 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 407794 | v1:6     | null  | null | unlabelled | bier    | 1040  |
 | 425921 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 768467 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 771305 | 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 |
 |--------|----------|-------|------|------------|---------|-------|
 | 72519  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 223745 | v1:6     | null  | null | unlabelled | bier    | 520   |
 | 348448 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 501735 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 756121 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 855103 | v1:4     | null  | null | unlabelled | bier    | 936   |
 |________|__________|_______|______|____________|_________|_______|
r4#
r4#