here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~~|~~~~~~~~~~|~~~~~~~|~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label   | vrf      | iface | hop  | label      | targets | bytes |
 |---------|----------|-------|------|------------|---------|-------|
 | 233945  | v1:6     | null  | null | unlabelled | bier    | 520   |
 | 272958  | v1:6     | null  | null | unlabelled | local   | 0     |
 | 859651  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 924798  | v1:4     | null  | null | unlabelled | local   | 0     |
 | 926680  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 1035967 | 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 |
 |--------|----------|-------|------|------------|---------|-------|
 | 16240  | v1:6     | null  | null | unlabelled | bier    | 1040  |
 | 121254 | v1:4     | null  | null | unlabelled | bier    | 1040  |
 | 243129 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 552744 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 720057 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 773390 | v1:6     | 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 |
 |---------|----------|-------|------|------------|---------|-------|
 | 164361  | v1:6     | null  | null | unlabelled | bier    | 1040  |
 | 274123  | v1:6     | null  | null | unlabelled | local   | 0     |
 | 650591  | v1:4     | null  | null | unlabelled | local   | 0     |
 | 787198  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 826259  | v1:4     | null  | null | unlabelled | bier    | 1040  |
 | 1023341 | 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 |
 |--------|----------|-------|------|------------|---------|-------|
 | 92649  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 125533 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 657036 | v1:4     | null  | null | unlabelled | bier    | 520   |
 | 708046 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 771015 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 874924 | v1:6     | null  | null | unlabelled | bier    | 520   |
 |________|__________|_______|______|____________|_________|_______|
r4#
r4#