here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~|~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface | hop  | label      | targets | bytes |
 |--------|----------|-------|------|------------|---------|-------|
 | 404589 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 675085 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 931048 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 935022 | v1:4     | null  | null | unlabelled | bier    | 520   |
 | 936149 | v1:6     | null  | null | unlabelled | bier    | 520   |
 | 994565 | 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 |
 |---------|----------|-------|------|------------|---------|-------|
 | 315041  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 394625  | v1:6     | null  | null | unlabelled | local   | 0     |
 | 542892  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 605355  | v1:6     | null  | null | unlabelled | bier    | 1040  |
 | 984005  | v1:4     | null  | null | unlabelled | bier    | 1040  |
 | 1033892 | 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 |
 |--------|----------|-------|------|------------|---------|-------|
 | 134332 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 165690 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 248401 | v1:4     | null  | null | unlabelled | bier    | 1040  |
 | 428593 | v1:6     | null  | null | unlabelled | bier    | 1040  |
 | 471395 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 803287 | tester:6 | 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 |
 |---------|----------|-------|------|------------|---------|-------|
 | 216085  | v1:4     | null  | null | unlabelled | local   | 0     |
 | 503833  | v1:6     | null  | null | unlabelled | bier    | 520   |
 | 675225  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 767910  | v1:4     | null  | null | unlabelled | bier    | 520   |
 | 846793  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 1011583 | v1:6     | null  | null | unlabelled | local   | 0     |
 |_________|__________|_______|______|____________|_________|_______|
r4#
r4#