here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~|~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface | hop  | label      | targets | bytes |
 |--------|----------|-------|------|------------|---------|-------|
 | 18835  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 210051 | v1:6     | null  | null | unlabelled | bier    | 520   |
 | 269908 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 291784 | v1:4     | null  | null | unlabelled | bier    | 520   |
 | 368654 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 386587 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 603380 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 680472 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 696330 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 831481 | 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 |
 |--------|----------|-------|------|------------|---------|-------|
 | 64230  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 115996 | v1:4     | null  | null | unlabelled | bier    | 1352  |
 | 173096 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 221122 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 415322 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 525152 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 541734 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 696123 | v1:6     | null  | null | unlabelled | bier    | 1040  |
 | 753086 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 877762 | 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 |
 |---------|----------|-------|------|------------|---------|-------|
 | 49186   | tester:4 | null  | null | unlabelled | local   | 0     |
 | 140789  | v1:4     | null  | null | unlabelled | local   | 0     |
 | 150052  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 472408  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 707628  | v1:4     | null  | null | unlabelled | bier    | 1352  |
 | 820786  | v1:6     | null  | null | unlabelled | local   | 0     |
 | 918793  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 931800  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 1018442 | v1:6     | null  | null | unlabelled | bier    | 1040  |
 | 1021310 | 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 |
 |--------|----------|-------|------|------------|---------|-------|
 | 67711  | v1:6     | null  | null | unlabelled | local   | 0     |
 | 170906 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 179809 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 331279 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 445550 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 609227 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 727356 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 796154 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 906341 | v1:4     | null  | null | unlabelled | bier    | 832   |
 | 936976 | v1:6     | null  | null | unlabelled | bier    | 520   |
 |________|__________|_______|______|____________|_________|_______|
r4#
r4#