here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~|~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface | hop  | label      | targets | bytes |
 |--------|----------|-------|------|------------|---------|-------|
 | 61337  | v1:6     | null  | null | unlabelled | local   | 0     |
 | 172261 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 336611 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 667239 | v1:6     | null  | null | unlabelled | bier    | 520   |
 | 908515 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 983828 | 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 |
 |--------|----------|-------|------|------------|---------|-------|
 | 33878  | v1:6     | null  | null | unlabelled | bier    | 1040  |
 | 286665 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 608618 | v1:4     | null  | null | unlabelled | bier    | 1456  |
 | 686978 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 893541 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 986632 | 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 |
 |---------|----------|-------|------|------------|---------|-------|
 | 196360  | v1:4     | null  | null | unlabelled | local   | 0     |
 | 418964  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 425001  | v1:6     | null  | null | unlabelled | bier    | 1040  |
 | 465918  | v1:6     | null  | null | unlabelled | local   | 0     |
 | 583887  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 1005187 | v1:4     | null  | null | unlabelled | bier    | 1456  |
 |_________|__________|_______|______|____________|_________|_______|
r3#
r3#
here is the lib:
r4#
r4#
r4#show mpls forw
r4#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~|~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface | hop  | label      | targets | bytes |
 |--------|----------|-------|------|------------|---------|-------|
 | 12501  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 23285  | v1:4     | null  | null | unlabelled | bier    | 936   |
 | 206828 | v1:6     | null  | null | unlabelled | bier    | 520   |
 | 234707 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 345223 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 488682 | tester:4 | null  | null | unlabelled | local   | 0     |
 |________|__________|_______|______|____________|_________|_______|
r4#
r4#