here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~|~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface | hop  | label      | targets | bytes |
 |--------|----------|-------|------|------------|---------|-------|
 | 90694  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 109611 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 305929 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 455407 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 484654 | v1:6     | null  | null | unlabelled | bier    | 520   |
 | 737107 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 813728 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 875907 | v1:4     | null  | null | unlabelled | bier    | 520   |
 | 939460 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 967143 | 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 |
 |--------|----------|-------|------|------------|---------|-------|
 | 78992  | v1:4     | null  | null | unlabelled | bier    | 1352  |
 | 93123  | v1:6     | null  | null | unlabelled | bier    | 1040  |
 | 340007 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 358714 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 444343 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 512470 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 519387 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 591047 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 723717 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 838209 | tester: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 |
 |--------|----------|-------|------|------------|---------|-------|
 | 114673 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 273503 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 364892 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 460059 | v1:4     | null  | null | unlabelled | bier    | 1352  |
 | 482264 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 524381 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 597867 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 611810 | v1:6     | null  | null | unlabelled | bier    | 1040  |
 | 774302 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 912445 | 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 |
 |--------|----------|-------|------|------------|---------|-------|
 | 2089   | tester:6 | null  | null | unlabelled | local   | 0     |
 | 20052  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 48052  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 430760 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 518384 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 569843 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 599504 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 729204 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 731338 | v1:6     | null  | null | unlabelled | bier    | 520   |
 | 876379 | v1:4     | null  | null | unlabelled | bier    | 832   |
 |________|__________|_______|______|____________|_________|_______|
r4#
r4#