here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 114048 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 140700 | null     | null      | null    | unlabelled |         | 0     |
 | 140701 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 140702 | v1:6     | ethernet1 | 1234::2 | 156203     |         | 0     |
 | 140703 | v1:6     | ethernet1 | 1234::2 | 156204     |         | 0     |
 | 140704 | v1:6     | ethernet1 | 1234::2 | 156205     |         | 0     |
 | 140705 | null     | null      | null    | unlabelled |         | 0     |
 | 140706 | null     | null      | null    | unlabelled |         | 0     |
 | 140707 | null     | null      | null    | unlabelled |         | 0     |
 | 140708 | null     | null      | null    | unlabelled |         | 0     |
 | 140709 | null     | null      | null    | unlabelled |         | 0     |
 | 338120 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 578749 | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 | 597441 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 746719 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 779142 | null     | null      | null    | unlabelled |         | 0     |
 | 779143 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 779144 | v1:4     | ethernet1 | 1.1.1.2 | 1037132    |         | 0     |
 | 779145 | v1:4     | ethernet1 | 1.1.1.2 | 1037133    |         | 0     |
 | 779146 | v1:4     | ethernet1 | 1.1.1.2 | 1037134    |         | 0     |
 | 779147 | null     | null      | null    | unlabelled |         | 0     |
 | 779148 | null     | null      | null    | unlabelled |         | 0     |
 | 779149 | null     | null      | null    | unlabelled |         | 0     |
 | 779150 | null     | null      | null    | unlabelled |         | 0     |
 | 779151 | null     | null      | null    | unlabelled |         | 0     |
 | 922633 | v1:6     | ethernet1 | 1234::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 |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 1104    | v1:6     | ethernet1 | 1234::1 | 3          |         | 0     |
 | 16599   | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 33762   | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 73971   | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 156201  | null     | null      | null    | unlabelled |         | 0     |
 | 156202  | v1:6     | ethernet1 | 1234::1 | 140701     |         | 1280  |
 | 156203  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 156204  | v1:6     | ethernet2 | 1235::3 | 938024     |         | 640   |
 | 156205  | v1:6     | ethernet2 | 1235::3 | 938025     |         | 640   |
 | 156206  | null     | null      | null    | unlabelled |         | 0     |
 | 156207  | null     | null      | null    | unlabelled |         | 0     |
 | 156208  | null     | null      | null    | unlabelled |         | 0     |
 | 156209  | null     | null      | null    | unlabelled |         | 0     |
 | 156210  | null     | null      | null    | unlabelled |         | 0     |
 | 157508  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 163652  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 759277  | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 | 935159  | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 | 1037130 | null     | null      | null    | unlabelled |         | 0     |
 | 1037131 | v1:4     | ethernet1 | 1.1.1.1 | 779143     |         | 1280  |
 | 1037132 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 1037133 | v1:4     | ethernet2 | 1.1.2.3 | 816274     |         | 640   |
 | 1037134 | v1:4     | ethernet2 | 1.1.2.3 | 816275     |         | 640   |
 | 1037135 | null     | null      | null    | unlabelled |         | 0     |
 | 1037136 | null     | null      | null    | unlabelled |         | 0     |
 | 1037137 | null     | null      | null    | unlabelled |         | 0     |
 | 1037138 | null     | null      | null    | unlabelled |         | 0     |
 | 1037139 | null     | null      | null    | unlabelled |         | 0     |
 |_________|__________|___________|_________|____________|_________|_______|
r2#
r2#
here is the lib:
r3#
r3#
r3#show mpls forw
r3#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 151999 | v1:4     | ethernet2 | 1.1.3.4 | 3          |         | 0     |
 | 196318 | v1:4     | ethernet1 | 1.1.2.2 | 3          |         | 0     |
 | 228741 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 448870 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 565863 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 567116 | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 654697 | v1:6     | ethernet2 | 1236::4 | 3          |         | 0     |
 | 816271 | null     | null      | null    | unlabelled |         | 0     |
 | 816272 | v1:4     | ethernet1 | 1.1.2.2 | 1037131    |         | 640   |
 | 816273 | v1:4     | ethernet1 | 1.1.2.2 | 1037132    |         | 640   |
 | 816274 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 816275 | v1:4     | ethernet2 | 1.1.3.4 | 1002496    |         | 1280  |
 | 816276 | null     | null      | null    | unlabelled |         | 0     |
 | 816277 | null     | null      | null    | unlabelled |         | 0     |
 | 816278 | null     | null      | null    | unlabelled |         | 0     |
 | 816279 | null     | null      | null    | unlabelled |         | 0     |
 | 816280 | null     | null      | null    | unlabelled |         | 0     |
 | 933248 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 938021 | null     | null      | null    | unlabelled |         | 0     |
 | 938022 | v1:6     | ethernet1 | 1235::2 | 156202     |         | 640   |
 | 938023 | v1:6     | ethernet1 | 1235::2 | 156203     |         | 640   |
 | 938024 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 938025 | v1:6     | ethernet2 | 1236::4 | 487309     |         | 1280  |
 | 938026 | null     | null      | null    | unlabelled |         | 0     |
 | 938027 | null     | null      | null    | unlabelled |         | 0     |
 | 938028 | null     | null      | null    | unlabelled |         | 0     |
 | 938029 | null     | null      | null    | unlabelled |         | 0     |
 | 938030 | null     | null      | null    | unlabelled |         | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r3#
r3#
here is the lib:
r4#
r4#
r4#show mpls forw
r4#show mpls forw
 |~~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label   | vrf      | iface     | hop     | label      | targets | bytes |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 88479   | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 242770  | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 | 334022  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 487305  | null     | null      | null    | unlabelled |         | 0     |
 | 487306  | v1:6     | ethernet1 | 1236::3 | 938022     |         | 0     |
 | 487307  | v1:6     | ethernet1 | 1236::3 | 938023     |         | 0     |
 | 487308  | v1:6     | ethernet1 | 1236::3 | 938024     |         | 0     |
 | 487309  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 487310  | null     | null      | null    | unlabelled |         | 0     |
 | 487311  | null     | null      | null    | unlabelled |         | 0     |
 | 487312  | null     | null      | null    | unlabelled |         | 0     |
 | 487313  | null     | null      | null    | unlabelled |         | 0     |
 | 487314  | null     | null      | null    | unlabelled |         | 0     |
 | 733496  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 898665  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 901201  | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 | 1002492 | null     | null      | null    | unlabelled |         | 0     |
 | 1002493 | v1:4     | ethernet1 | 1.1.3.3 | 816272     |         | 0     |
 | 1002494 | v1:4     | ethernet1 | 1.1.3.3 | 816273     |         | 0     |
 | 1002495 | v1:4     | ethernet1 | 1.1.3.3 | 816274     |         | 0     |
 | 1002496 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 1002497 | null     | null      | null    | unlabelled |         | 0     |
 | 1002498 | null     | null      | null    | unlabelled |         | 0     |
 | 1002499 | null     | null      | null    | unlabelled |         | 0     |
 | 1002500 | null     | null      | null    | unlabelled |         | 0     |
 | 1002501 | null     | null      | null    | unlabelled |         | 0     |
 |_________|__________|___________|_________|____________|_________|_______|
r4#
r4#