here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~~|~~~~~~~~~~|~~~~~~~|~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label   | vrf      | iface | hop  | label      | targets | bytes |
 |---------|----------|-------|------|------------|---------|-------|
 | 107780  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 602060  | v1:6     | null  | null | unlabelled | bier    | 520   |
 | 708490  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 897517  | v1:4     | null  | null | unlabelled | local   | 0     |
 | 1011250 | v1:4     | null  | null | unlabelled | bier    | 520   |
 | 1022596 | v1:6     | 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 |
 |--------|----------|-------|------|------------|---------|-------|
 | 454441 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 464777 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 613436 | v1:4     | null  | null | unlabelled | bier    | 1040  |
 | 640585 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 640705 | v1:6     | null  | null | unlabelled | bier    | 1040  |
 | 901649 | 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 |
 |--------|----------|-------|------|------------|---------|-------|
 | 33220  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 406677 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 502911 | v1:6     | null  | null | unlabelled | bier    | 1040  |
 | 550194 | v1:4     | null  | null | unlabelled | bier    | 1040  |
 | 628883 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 901177 | v1:6     | 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 |
 |--------|----------|-------|------|------------|---------|-------|
 | 45432  | v1:6     | null  | null | unlabelled | bier    | 520   |
 | 125419 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 167740 | v1:4     | null  | null | unlabelled | bier    | 520   |
 | 454766 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 609826 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 881738 | tester:6 | null  | null | unlabelled | local   | 0     |
 |________|__________|_______|______|____________|_________|_______|
r4#
r4#