here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~|~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface | hop  | label      | targets | bytes |
 |--------|----------|-------|------|------------|---------|-------|
 | 63446  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 201182 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 625779 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 764938 | v1:6     | null  | null | unlabelled | bier    | 520   |
 | 778514 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 890280 | 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 |
 |--------|----------|-------|------|------------|---------|-------|
 | 127448 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 314787 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 495868 | v1:6     | null  | null | unlabelled | bier    | 1040  |
 | 551972 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 723403 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 972237 | v1:4     | 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 |
 |---------|----------|-------|------|------------|---------|-------|
 | 75736   | v1:6     | null  | null | unlabelled | bier    | 1040  |
 | 293745  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 385469  | v1:6     | null  | null | unlabelled | local   | 0     |
 | 817920  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 980737  | v1:4     | null  | null | unlabelled | bier    | 1040  |
 | 1025359 | v1:4     | 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 |
 |--------|----------|-------|------|------------|---------|-------|
 | 1720   | v1:6     | null  | null | unlabelled | local   | 0     |
 | 29251  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 438848 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 494529 | v1:6     | null  | null | unlabelled | bier    | 520   |
 | 671803 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 880401 | v1:4     | null  | null | unlabelled | bier    | 520   |
 |________|__________|_______|______|____________|_________|_______|
r4#
r4#