here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~~|~~~~~~~~~~|~~~~~~~|~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label   | vrf      | iface | hop  | label      | targets | bytes |
 |---------|----------|-------|------|------------|---------|-------|
 | 4559    | v1:4     | null  | null | unlabelled | local   | 0     |
 | 469562  | v1:6     | null  | null | unlabelled | local   | 0     |
 | 740940  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 836888  | v1:4     | null  | null | unlabelled | bier    | 520   |
 | 965572  | v1:6     | null  | null | unlabelled | bier    | 520   |
 | 1012967 | 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 |
 |--------|----------|-------|------|------------|---------|-------|
 | 54212  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 357083 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 435281 | v1:4     | null  | null | unlabelled | bier    | 1040  |
 | 437936 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 625044 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 885174 | 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 |
 |--------|----------|-------|------|------------|---------|-------|
 | 41861  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 62522  | v1:4     | null  | null | unlabelled | local   | 0     |
 | 221996 | v1:6     | null  | null | unlabelled | bier    | 1040  |
 | 461719 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 704328 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 929599 | v1:4     | 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 |
 |--------|----------|-------|------|------------|---------|-------|
 | 159825 | v1:6     | null  | null | unlabelled | bier    | 520   |
 | 196263 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 206357 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 633961 | v1:4     | null  | null | unlabelled | bier    | 520   |
 | 734437 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 879953 | tester:4 | null  | null | unlabelled | local   | 0     |
 |________|__________|_______|______|____________|_________|_______|
r4#
r4#