here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~|~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface | hop  | label      | targets | bytes |
 |--------|----------|-------|------|------------|---------|-------|
 | 189128 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 333243 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 444807 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 471641 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 502494 | v1:6     | null  | null | unlabelled | bier    | 520   |
 | 621220 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 643582 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 858344 | v1:4     | null  | null | unlabelled | bier    | 520   |
 | 908613 | v1:6     | null  | null | unlabelled | local   | 0     |
 | 971406 | tester: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 |
 |---------|----------|-------|------|------------|---------|-------|
 | 144691  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 160502  | v1:6     | null  | null | unlabelled | local   | 0     |
 | 204291  | v1:4     | null  | null | unlabelled | local   | 0     |
 | 204966  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 267890  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 322299  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 355114  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 639993  | v1:6     | null  | null | unlabelled | bier    | 1040  |
 | 741202  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 1028267 | v1:4     | null  | null | unlabelled | bier    | 1248  |
 |_________|__________|_______|______|____________|_________|_______|
r2#
r2#
here is the lib:
r3#
r3#
r3#show mpls forw
r3#show mpls forw
 |~~~~~~~~~|~~~~~~~~~~|~~~~~~~|~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label   | vrf      | iface | hop  | label      | targets | bytes |
 |---------|----------|-------|------|------------|---------|-------|
 | 60828   | v1:6     | null  | null | unlabelled | bier    | 1040  |
 | 111660  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 157723  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 223533  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 296052  | v1:4     | null  | null | unlabelled | local   | 0     |
 | 499178  | v1:4     | null  | null | unlabelled | bier    | 1248  |
 | 611654  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 796503  | tester:6 | null  | null | unlabelled | local   | 0     |
 | 922433  | v1:6     | null  | null | unlabelled | local   | 0     |
 | 1023513 | 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 |
 |--------|----------|-------|------|------------|---------|-------|
 | 28488  | v1:6     | null  | null | unlabelled | local   | 0     |
 | 30622  | tester:4 | null  | null | unlabelled | local   | 0     |
 | 158045 | v1:6     | null  | null | unlabelled | bier    | 520   |
 | 323200 | tester:4 | null  | null | unlabelled | local   | 0     |
 | 608477 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 639999 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 781593 | v1:4     | null  | null | unlabelled | bier    | 728   |
 | 867402 | tester:6 | null  | null | unlabelled | local   | 0     |
 | 884266 | v1:4     | null  | null | unlabelled | local   | 0     |
 | 975280 | tester:4 | null  | null | unlabelled | local   | 0     |
 |________|__________|_______|______|____________|_________|_______|
r4#
r4#