here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 43865  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 153054 | null     | null      | null    | unlabelled |         | 0     |
 | 153055 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 153056 | v1:6     | ethernet1 | 1234::2 | 623574     |         | 0     |
 | 153057 | v1:6     | ethernet1 | 1234::2 | 623575     |         | 0     |
 | 153058 | v1:6     | ethernet1 | 1234::2 | 623576     |         | 0     |
 | 153059 | null     | null      | null    | unlabelled |         | 0     |
 | 153060 | null     | null      | null    | unlabelled |         | 0     |
 | 153061 | null     | null      | null    | unlabelled |         | 0     |
 | 153062 | null     | null      | null    | unlabelled |         | 0     |
 | 153063 | null     | null      | null    | unlabelled |         | 0     |
 | 170228 | null     | null      | null    | unlabelled |         | 0     |
 | 170229 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 170230 | v1:4     | ethernet1 | 1.1.1.2 | 664180     |         | 0     |
 | 170231 | v1:4     | ethernet1 | 1.1.1.2 | 664181     |         | 0     |
 | 170232 | v1:4     | ethernet1 | 1.1.1.2 | 664182     |         | 0     |
 | 170233 | null     | null      | null    | unlabelled |         | 0     |
 | 170234 | null     | null      | null    | unlabelled |         | 0     |
 | 170235 | null     | null      | null    | unlabelled |         | 0     |
 | 170236 | null     | null      | null    | unlabelled |         | 0     |
 | 170237 | null     | null      | null    | unlabelled |         | 0     |
 | 174450 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 440120 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 674435 | v1:6     | ethernet1 | 1234::2 | 3          |         | 0     |
 | 765619 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 944955 | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r1#
r1#
here is the lib:
r2#
r2#
r2#show mpls forw
r2#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 152208 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 176322 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 258746 | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 570639 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 623572 | null     | null      | null    | unlabelled |         | 0     |
 | 623573 | v1:6     | ethernet1 | 1234::1 | 153055     |         | 1280  |
 | 623574 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 623575 | v1:6     | ethernet2 | 1235::3 | 310808     |         | 640   |
 | 623576 | v1:6     | ethernet2 | 1235::3 | 310809     |         | 640   |
 | 623577 | null     | null      | null    | unlabelled |         | 0     |
 | 623578 | null     | null      | null    | unlabelled |         | 0     |
 | 623579 | null     | null      | null    | unlabelled |         | 0     |
 | 623580 | null     | null      | null    | unlabelled |         | 0     |
 | 623581 | null     | null      | null    | unlabelled |         | 0     |
 | 644602 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 664178 | null     | null      | null    | unlabelled |         | 0     |
 | 664179 | v1:4     | ethernet1 | 1.1.1.1 | 170229     |         | 1280  |
 | 664180 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 664181 | v1:4     | ethernet2 | 1.1.2.3 | 564101     |         | 640   |
 | 664182 | v1:4     | ethernet2 | 1.1.2.3 | 564102     |         | 640   |
 | 664183 | null     | null      | null    | unlabelled |         | 0     |
 | 664184 | null     | null      | null    | unlabelled |         | 0     |
 | 664185 | null     | null      | null    | unlabelled |         | 0     |
 | 664186 | null     | null      | null    | unlabelled |         | 0     |
 | 664187 | null     | null      | null    | unlabelled |         | 0     |
 | 899127 | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 | 907483 | v1:6     | ethernet1 | 1234::1 | 3          |         | 0     |
 | 965367 | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r2#
r2#
here is the lib:
r3#
r3#
r3#show mpls forw
r3#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 31652  | v1:4     | ethernet1 | 1.1.2.2 | 3          |         | 0     |
 | 132668 | v1:6     | ethernet2 | 1236::4 | 3          |         | 0     |
 | 133764 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 231036 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 310805 | null     | null      | null    | unlabelled |         | 0     |
 | 310806 | v1:6     | ethernet1 | 1235::2 | 623573     |         | 640   |
 | 310807 | v1:6     | ethernet1 | 1235::2 | 623574     |         | 640   |
 | 310808 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 310809 | v1:6     | ethernet2 | 1236::4 | 782240     |         | 1280  |
 | 310810 | null     | null      | null    | unlabelled |         | 0     |
 | 310811 | null     | null      | null    | unlabelled |         | 0     |
 | 310812 | null     | null      | null    | unlabelled |         | 0     |
 | 310813 | null     | null      | null    | unlabelled |         | 0     |
 | 310814 | null     | null      | null    | unlabelled |         | 0     |
 | 414203 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 477958 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 564098 | null     | null      | null    | unlabelled |         | 0     |
 | 564099 | v1:4     | ethernet1 | 1.1.2.2 | 664179     |         | 640   |
 | 564100 | v1:4     | ethernet1 | 1.1.2.2 | 664180     |         | 640   |
 | 564101 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 564102 | v1:4     | ethernet2 | 1.1.3.4 | 345036     |         | 1280  |
 | 564103 | null     | null      | null    | unlabelled |         | 0     |
 | 564104 | null     | null      | null    | unlabelled |         | 0     |
 | 564105 | null     | null      | null    | unlabelled |         | 0     |
 | 564106 | null     | null      | null    | unlabelled |         | 0     |
 | 564107 | null     | null      | null    | unlabelled |         | 0     |
 | 718835 | v1:4     | ethernet2 | 1.1.3.4 | 3          |         | 0     |
 | 895355 | v1:6     | ethernet1 | 1235::2 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 11119  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 301186 | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 | 345032 | null     | null      | null    | unlabelled |         | 0     |
 | 345033 | v1:4     | ethernet1 | 1.1.3.3 | 564099     |         | 0     |
 | 345034 | v1:4     | ethernet1 | 1.1.3.3 | 564100     |         | 0     |
 | 345035 | v1:4     | ethernet1 | 1.1.3.3 | 564101     |         | 0     |
 | 345036 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 345037 | null     | null      | null    | unlabelled |         | 0     |
 | 345038 | null     | null      | null    | unlabelled |         | 0     |
 | 345039 | null     | null      | null    | unlabelled |         | 0     |
 | 345040 | null     | null      | null    | unlabelled |         | 0     |
 | 345041 | null     | null      | null    | unlabelled |         | 0     |
 | 501244 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 519403 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 698044 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 782236 | null     | null      | null    | unlabelled |         | 0     |
 | 782237 | v1:6     | ethernet1 | 1236::3 | 310806     |         | 0     |
 | 782238 | v1:6     | ethernet1 | 1236::3 | 310807     |         | 0     |
 | 782239 | v1:6     | ethernet1 | 1236::3 | 310808     |         | 0     |
 | 782240 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 782241 | null     | null      | null    | unlabelled |         | 0     |
 | 782242 | null     | null      | null    | unlabelled |         | 0     |
 | 782243 | null     | null      | null    | unlabelled |         | 0     |
 | 782244 | null     | null      | null    | unlabelled |         | 0     |
 | 782245 | null     | null      | null    | unlabelled |         | 0     |
 | 918790 | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r4#
r4#