here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~|~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface | hop  | label      | targets | bytes |
 |--------|----------|-------|------|------------|---------|-------|
 | 43453  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 153415 | v1:6     | null  | null | unlabelled | bier    | 520   |
 | 170908 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 436977 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 482701 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 681074 | 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 |
 |--------|----------|-------|------|------------|---------|-------|
 | 203118 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 249330 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 321686 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 534588 | v1:6     | null  | null | unlabelled | bier    | 1040  |
 | 677699 | v1:4     | null  | null | unlabelled | bier    | 1040  |
 | 814121 | tester: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 |
 |--------|----------|-------|------|------------|---------|-------|
 | 106109 | v1:4     | null  | null | unlabelled | bier    | 1040  |
 | 215590 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 449063 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 631306 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 837462 | v1:6     | null  | null | unlabelled | bier    | 1040  |
 | 980249 | 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 |
 |---------|----------|-------|------|------------|---------|-------|
 | 65883   | v1:6     | null  | null | unlabelled | local   | 0     |
 | 70330   | v1:4     | null  | null | unlabelled | local   | 0     |
 | 218187  | v1:4     | null  | null | unlabelled | bier    | 520   |
 | 647337  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 964542  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 1007875 | v1:6     | null  | null | unlabelled | bier    | 520   |
 |_________|__________|_______|______|____________|_________|_______|
r4#
r4#