here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~~|~~~~~~~~~~|~~~~~~~|~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label   | vrf      | iface | hop  | label      | targets | bytes |
 |---------|----------|-------|------|------------|---------|-------|
 | 23288   | v1:6     | null  | null | unlabelled | bier    | 520   |
 | 23972   | v1:4     | null  | null | unlabelled | bier    | 520   |
 | 68710   | v1:6     | null  | null | unlabelled | local   | 0     |
 | 95688   | tester:6 | null  | null | unlabelled | local   | 0     |
 | 228317  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 559638  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 656725  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 855387  | v1:4     | null  | null | unlabelled | local   | 0     |
 | 882983  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 1011327 | 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 |
 |--------|----------|-------|------|------------|---------|-------|
 | 63817  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 142592 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 512704 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 607227 | v1:4     | null  | null | unlabelled | bier    | 1040  |
 | 624936 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 745239 | v1:6     | null  | null | unlabelled | bier    | 1040  |
 | 773659 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 926821 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 980885 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 987780 | 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 |
 |---------|----------|-------|------|------------|---------|-------|
 | 87585   | tester:6 | null  | null | unlabelled | local   | 0     |
 | 148692  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 177326  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 181150  | v1:4     | null  | null | unlabelled | bier    | 1040  |
 | 317601  | v1:6     | null  | null | unlabelled | bier    | 1040  |
 | 562043  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 613041  | v1:4     | null  | null | unlabelled | local   | 0     |
 | 792044  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 924812  | v1:6     | null  | null | unlabelled | local   | 0     |
 | 1012651 | tester:4 | 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 |
 |---------|----------|-------|------|------------|---------|-------|
 | 12942   | tester:4 | null  | null | unlabelled | local   | 0     |
 | 39451   | v1:6     | null  | null | unlabelled | local   | 0     |
 | 123366  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 278292  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 334375  | v1:4     | null  | null | unlabelled | local   | 0     |
 | 407324  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 626430  | v1:6     | null  | null | unlabelled | bier    | 520   |
 | 662447  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 916627  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 1028780 | v1:4     | null  | null | unlabelled | bier    | 520   |
 |_________|__________|_______|______|____________|_________|_______|
r4#
r4#