here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 12093  | v1:6     | ethernet1 | 1234::2 | 3          |         | 0     |
 | 153638 | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 | 223873 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 229130 | null     | null      | null    | unlabelled |         | 0     |
 | 229131 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 229132 | v1:6     | ethernet1 | 1234::2 | 723935     |         | 0     |
 | 229133 | v1:6     | ethernet1 | 1234::2 | 723936     |         | 0     |
 | 229134 | v1:6     | ethernet1 | 1234::2 | 723937     |         | 0     |
 | 229135 | null     | null      | null    | unlabelled |         | 0     |
 | 229136 | null     | null      | null    | unlabelled |         | 0     |
 | 229137 | null     | null      | null    | unlabelled |         | 0     |
 | 229138 | null     | null      | null    | unlabelled |         | 0     |
 | 229139 | null     | null      | null    | unlabelled |         | 0     |
 | 600005 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 650819 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 705298 | null     | null      | null    | unlabelled |         | 0     |
 | 705299 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 705300 | v1:4     | ethernet1 | 1.1.1.2 | 112193     |         | 0     |
 | 705301 | v1:4     | ethernet1 | 1.1.1.2 | 112194     |         | 0     |
 | 705302 | v1:4     | ethernet1 | 1.1.1.2 | 112195     |         | 0     |
 | 705303 | null     | null      | null    | unlabelled |         | 0     |
 | 705304 | null     | null      | null    | unlabelled |         | 0     |
 | 705305 | null     | null      | null    | unlabelled |         | 0     |
 | 705306 | null     | null      | null    | unlabelled |         | 0     |
 | 705307 | null     | null      | null    | unlabelled |         | 0     |
 | 833028 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 41100  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 112191 | null     | null      | null    | unlabelled |         | 0     |
 | 112192 | v1:4     | ethernet1 | 1.1.1.1 | 705299     |         | 1280  |
 | 112193 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 112194 | v1:4     | ethernet2 | 1.1.2.3 | 760450     |         | 640   |
 | 112195 | v1:4     | ethernet2 | 1.1.2.3 | 760451     |         | 640   |
 | 112196 | null     | null      | null    | unlabelled |         | 0     |
 | 112197 | null     | null      | null    | unlabelled |         | 0     |
 | 112198 | null     | null      | null    | unlabelled |         | 0     |
 | 112199 | null     | null      | null    | unlabelled |         | 0     |
 | 112200 | null     | null      | null    | unlabelled |         | 0     |
 | 128827 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 197553 | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 226925 | v1:6     | ethernet1 | 1234::1 | 3          |         | 0     |
 | 652939 | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 | 723933 | null     | null      | null    | unlabelled |         | 0     |
 | 723934 | v1:6     | ethernet1 | 1234::1 | 229131     |         | 1280  |
 | 723935 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 723936 | v1:6     | ethernet2 | 1235::3 | 153885     |         | 640   |
 | 723937 | v1:6     | ethernet2 | 1235::3 | 153886     |         | 640   |
 | 723938 | null     | null      | null    | unlabelled |         | 0     |
 | 723939 | null     | null      | null    | unlabelled |         | 0     |
 | 723940 | null     | null      | null    | unlabelled |         | 0     |
 | 723941 | null     | null      | null    | unlabelled |         | 0     |
 | 723942 | null     | null      | null    | unlabelled |         | 0     |
 | 742231 | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 | 896119 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 953366 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 9023   | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 45688  | v1:4     | ethernet2 | 1.1.3.4 | 3          |         | 0     |
 | 153882 | null     | null      | null    | unlabelled |         | 0     |
 | 153883 | v1:6     | ethernet1 | 1235::2 | 723934     |         | 640   |
 | 153884 | v1:6     | ethernet1 | 1235::2 | 723935     |         | 640   |
 | 153885 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 153886 | v1:6     | ethernet2 | 1236::4 | 286120     |         | 1280  |
 | 153887 | null     | null      | null    | unlabelled |         | 0     |
 | 153888 | null     | null      | null    | unlabelled |         | 0     |
 | 153889 | null     | null      | null    | unlabelled |         | 0     |
 | 153890 | null     | null      | null    | unlabelled |         | 0     |
 | 153891 | null     | null      | null    | unlabelled |         | 0     |
 | 546832 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 760447 | null     | null      | null    | unlabelled |         | 0     |
 | 760448 | v1:4     | ethernet1 | 1.1.2.2 | 112192     |         | 640   |
 | 760449 | v1:4     | ethernet1 | 1.1.2.2 | 112193     |         | 640   |
 | 760450 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 760451 | v1:4     | ethernet2 | 1.1.3.4 | 860350     |         | 1280  |
 | 760452 | null     | null      | null    | unlabelled |         | 0     |
 | 760453 | null     | null      | null    | unlabelled |         | 0     |
 | 760454 | null     | null      | null    | unlabelled |         | 0     |
 | 760455 | null     | null      | null    | unlabelled |         | 0     |
 | 760456 | null     | null      | null    | unlabelled |         | 0     |
 | 767267 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 771147 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 831587 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 836570 | v1:4     | ethernet1 | 1.1.2.2 | 3          |         | 0     |
 | 920339 | v1:6     | ethernet2 | 1236::4 | 3          |         | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r3#
r3#
here is the lib:
r4#
r4#
r4#show mpls forw
r4#show mpls forw
 |~~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label   | vrf      | iface     | hop     | label      | targets | bytes |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 207880  | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 | 223300  | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 | 286116  | null     | null      | null    | unlabelled |         | 0     |
 | 286117  | v1:6     | ethernet1 | 1236::3 | 153883     |         | 0     |
 | 286118  | v1:6     | ethernet1 | 1236::3 | 153884     |         | 0     |
 | 286119  | v1:6     | ethernet1 | 1236::3 | 153885     |         | 0     |
 | 286120  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 286121  | null     | null      | null    | unlabelled |         | 0     |
 | 286122  | null     | null      | null    | unlabelled |         | 0     |
 | 286123  | null     | null      | null    | unlabelled |         | 0     |
 | 286124  | null     | null      | null    | unlabelled |         | 0     |
 | 286125  | null     | null      | null    | unlabelled |         | 0     |
 | 444249  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 508990  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 799504  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 860346  | null     | null      | null    | unlabelled |         | 0     |
 | 860347  | v1:4     | ethernet1 | 1.1.3.3 | 760448     |         | 0     |
 | 860348  | v1:4     | ethernet1 | 1.1.3.3 | 760449     |         | 0     |
 | 860349  | v1:4     | ethernet1 | 1.1.3.3 | 760450     |         | 0     |
 | 860350  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 860351  | null     | null      | null    | unlabelled |         | 0     |
 | 860352  | null     | null      | null    | unlabelled |         | 0     |
 | 860353  | null     | null      | null    | unlabelled |         | 0     |
 | 860354  | null     | null      | null    | unlabelled |         | 0     |
 | 860355  | null     | null      | null    | unlabelled |         | 0     |
 | 1046292 | tester:6 | null      | null    | unlabelled | local   | 0     |
 |_________|__________|___________|_________|____________|_________|_______|
r4#
r4#