here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~~|~~~~~~~~~~|~~~~~~~|~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label   | vrf      | iface | hop  | label      | targets | bytes |
 |---------|----------|-------|------|------------|---------|-------|
 | 125058  | v1:4     | null  | null | unlabelled | bier    | 520   |
 | 341842  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 567427  | v1:4     | null  | null | unlabelled | local   | 0     |
 | 855942  | v1:6     | null  | null | unlabelled | bier    | 520   |
 | 927527  | v1:6     | null  | null | unlabelled | local   | 0     |
 | 1030964 | tester:6 | 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 |
 |--------|----------|-------|------|------------|---------|-------|
 | 625879 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 658329 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 927517 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 930373 | v1:6     | null  | null | unlabelled | bier    | 1040  |
 | 979478 | v1:4     | null  | null | unlabelled | bier    | 1040  |
 | 982056 | v1:6     | 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 |
 |--------|----------|-------|------|------------|---------|-------|
 | 477210 | v1:4     | null  | null | unlabelled | bier    | 1040  |
 | 534109 | v1:6     | null  | null | unlabelled | bier    | 1040  |
 | 885497 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 894812 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 905178 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 922833 | tester:4 | null  | null | unlabelled | local   | 0     |
 |________|__________|_______|______|____________|_________|_______|
r3#
r3#
here is the lib:
r4#
r4#
r4#show mpls forw
r4#show mpls forw
 |~~~~~~~~~|~~~~~~~~~~|~~~~~~~|~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label   | vrf      | iface | hop  | label      | targets | bytes |
 |---------|----------|-------|------|------------|---------|-------|
 | 29119   | v1:6     | null  | null | unlabelled | bier    | 520   |
 | 179992  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 203007  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 251822  | v1:4     | null  | null | unlabelled | bier    | 520   |
 | 338708  | v1:4     | null  | null | unlabelled | local   | 0     |
 | 1022437 | v1:6     | null  | null | unlabelled | local   | 0     |
 |_________|__________|_______|______|____________|_________|_______|
r4#
r4#