here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~|~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface | hop  | label      | targets | bytes |
 |--------|----------|-------|------|------------|---------|-------|
 | 50835  | v1:6     | null  | null | unlabelled | bier    | 520   |
 | 252995 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 539262 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 660716 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 738978 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 853177 | 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 |
 |--------|----------|-------|------|------------|---------|-------|
 | 24737  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 173784 | v1:4     | null  | null | unlabelled | bier    | 1040  |
 | 195077 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 415404 | v1:6     | null  | null | unlabelled | bier    | 1040  |
 | 558315 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 903130 | 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 |
 |--------|----------|-------|------|------------|---------|-------|
 | 307403 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 420760 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 523950 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 549095 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 845586 | v1:4     | null  | null | unlabelled | bier    | 1040  |
 | 848196 | v1:6     | null  | null | unlabelled | bier    | 1040  |
 |________|__________|_______|______|____________|_________|_______|
r3#
r3#
here is the lib:
r4#
r4#
r4#show mpls forw
r4#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~|~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface | hop  | label      | targets | bytes |
 |--------|----------|-------|------|------------|---------|-------|
 | 9604   | v1:4     | null  | null | unlabelled | local   | 0     |
 | 163565 | v1:6     | null  | null | unlabelled | bier    | 520   |
 | 184818 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 284954 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 710502 | v1:4     | null  | null | unlabelled | bier    | 520   |
 | 860507 | v1:6     | null  | null | unlabelled | local   | 0     |
 |________|__________|_______|______|____________|_________|_______|
r4#
r4#