here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~|~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface | hop  | label      | targets | bytes |
 |--------|----------|-------|------|------------|---------|-------|
 | 409789 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 422597 | v1:6     | null  | null | unlabelled | bier    | 520   |
 | 442081 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 693527 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 815965 | v1:4     | null  | null | unlabelled | bier    | 520   |
 | 957000 | 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 |
 |---------|----------|-------|------|------------|---------|-------|
 | 174430  | v1:6     | null  | null | unlabelled | local   | 0     |
 | 406242  | v1:6     | null  | null | unlabelled | bier    | 1040  |
 | 621895  | v1:4     | null  | null | unlabelled | bier    | 1040  |
 | 726038  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 734460  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 1035436 | v1:4     | 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 |
 |--------|----------|-------|------|------------|---------|-------|
 | 154794 | v1:4     | null  | null | unlabelled | bier    | 1040  |
 | 163943 | v1:6     | null  | null | unlabelled | bier    | 1040  |
 | 357230 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 438525 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 641543 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 950203 | 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 |
 |--------|----------|-------|------|------------|---------|-------|
 | 64527  | v1:4     | null  | null | unlabelled | bier    | 520   |
 | 169691 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 464565 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 499155 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 981909 | v1:6     | null  | null | unlabelled | bier    | 520   |
 | 998503 | v1:4     | null  | null | unlabelled | local   | 0     |
 |________|__________|_______|______|____________|_________|_______|
r4#
r4#