here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label   | vrf      | iface     | hop     | label      | targets | bytes |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 26643   | v1:6     | ethernet1 | 1234::2 | 3          |         | 0     |
 | 156407  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 281467  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 343631  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 436789  | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 | 549007  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 569107  | null     | null      | null    | unlabelled |         | 0     |
 | 569108  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 569109  | v1:6     | ethernet1 | 1234::2 | 861033     |         | 0     |
 | 569110  | v1:6     | ethernet1 | 1234::2 | 861034     |         | 0     |
 | 569111  | v1:6     | ethernet1 | 1234::2 | 861035     |         | 0     |
 | 569112  | null     | null      | null    | unlabelled |         | 0     |
 | 569113  | null     | null      | null    | unlabelled |         | 0     |
 | 569114  | null     | null      | null    | unlabelled |         | 0     |
 | 569115  | null     | null      | null    | unlabelled |         | 0     |
 | 569116  | null     | null      | null    | unlabelled |         | 0     |
 | 784480  | null     | null      | null    | unlabelled |         | 0     |
 | 784481  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 784482  | v1:4     | ethernet1 | 1.1.1.2 | 741148     |         | 0     |
 | 784483  | v1:4     | ethernet1 | 1.1.1.2 | 741149     |         | 0     |
 | 784484  | v1:4     | ethernet1 | 1.1.1.2 | 741150     |         | 0     |
 | 784485  | null     | null      | null    | unlabelled |         | 0     |
 | 784486  | null     | null      | null    | unlabelled |         | 0     |
 | 784487  | null     | null      | null    | unlabelled |         | 0     |
 | 784488  | null     | null      | null    | unlabelled |         | 0     |
 | 784489  | null     | null      | null    | unlabelled |         | 0     |
 | 901530  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 944415  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 966924  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 1016766 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 52008  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 144968 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 150594 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 301050 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 375951 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 458506 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 520316 | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 | 641113 | v1:6     | ethernet1 | 1234::1 | 3          |         | 0     |
 | 681796 | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 | 690178 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 727142 | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 741146 | null     | null      | null    | unlabelled |         | 0     |
 | 741147 | v1:4     | ethernet1 | 1.1.1.1 | 784481     |         | 1280  |
 | 741148 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 741149 | v1:4     | ethernet2 | 1.1.2.3 | 650186     |         | 640   |
 | 741150 | v1:4     | ethernet2 | 1.1.2.3 | 650187     |         | 640   |
 | 741151 | null     | null      | null    | unlabelled |         | 0     |
 | 741152 | null     | null      | null    | unlabelled |         | 0     |
 | 741153 | null     | null      | null    | unlabelled |         | 0     |
 | 741154 | null     | null      | null    | unlabelled |         | 0     |
 | 741155 | null     | null      | null    | unlabelled |         | 0     |
 | 856802 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 861031 | null     | null      | null    | unlabelled |         | 0     |
 | 861032 | v1:6     | ethernet1 | 1234::1 | 569108     |         | 1280  |
 | 861033 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 861034 | v1:6     | ethernet2 | 1235::3 | 803235     |         | 640   |
 | 861035 | v1:6     | ethernet2 | 1235::3 | 803236     |         | 640   |
 | 861036 | null     | null      | null    | unlabelled |         | 0     |
 | 861037 | null     | null      | null    | unlabelled |         | 0     |
 | 861038 | null     | null      | null    | unlabelled |         | 0     |
 | 861039 | null     | null      | null    | unlabelled |         | 0     |
 | 861040 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 225008 | v1:4     | ethernet2 | 1.1.3.4 | 3          |         | 0     |
 | 491829 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 533993 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 553799 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 595610 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 628486 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 650183 | null     | null      | null    | unlabelled |         | 0     |
 | 650184 | v1:4     | ethernet1 | 1.1.2.2 | 741147     |         | 640   |
 | 650185 | v1:4     | ethernet1 | 1.1.2.2 | 741148     |         | 640   |
 | 650186 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 650187 | v1:4     | ethernet2 | 1.1.3.4 | 966163     |         | 1280  |
 | 650188 | null     | null      | null    | unlabelled |         | 0     |
 | 650189 | null     | null      | null    | unlabelled |         | 0     |
 | 650190 | null     | null      | null    | unlabelled |         | 0     |
 | 650191 | null     | null      | null    | unlabelled |         | 0     |
 | 650192 | null     | null      | null    | unlabelled |         | 0     |
 | 654752 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 702290 | v1:4     | ethernet1 | 1.1.2.2 | 3          |         | 0     |
 | 709888 | v1:6     | ethernet2 | 1236::4 | 3          |         | 0     |
 | 803232 | null     | null      | null    | unlabelled |         | 0     |
 | 803233 | v1:6     | ethernet1 | 1235::2 | 861032     |         | 640   |
 | 803234 | v1:6     | ethernet1 | 1235::2 | 861033     |         | 640   |
 | 803235 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 803236 | v1:6     | ethernet2 | 1236::4 | 464518     |         | 1280  |
 | 803237 | null     | null      | null    | unlabelled |         | 0     |
 | 803238 | null     | null      | null    | unlabelled |         | 0     |
 | 803239 | null     | null      | null    | unlabelled |         | 0     |
 | 803240 | null     | null      | null    | unlabelled |         | 0     |
 | 803241 | null     | null      | null    | unlabelled |         | 0     |
 | 819796 | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 919563 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 969386 | tester:6 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 260727 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 314930 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 464514 | null     | null      | null    | unlabelled |         | 0     |
 | 464515 | v1:6     | ethernet1 | 1236::3 | 803233     |         | 0     |
 | 464516 | v1:6     | ethernet1 | 1236::3 | 803234     |         | 0     |
 | 464517 | v1:6     | ethernet1 | 1236::3 | 803235     |         | 0     |
 | 464518 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 464519 | null     | null      | null    | unlabelled |         | 0     |
 | 464520 | null     | null      | null    | unlabelled |         | 0     |
 | 464521 | null     | null      | null    | unlabelled |         | 0     |
 | 464522 | null     | null      | null    | unlabelled |         | 0     |
 | 464523 | null     | null      | null    | unlabelled |         | 0     |
 | 511781 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 593676 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 743069 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 862987 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 888884 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 896668 | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 | 951334 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 966159 | null     | null      | null    | unlabelled |         | 0     |
 | 966160 | v1:4     | ethernet1 | 1.1.3.3 | 650184     |         | 0     |
 | 966161 | v1:4     | ethernet1 | 1.1.3.3 | 650185     |         | 0     |
 | 966162 | v1:4     | ethernet1 | 1.1.3.3 | 650186     |         | 0     |
 | 966163 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 966164 | null     | null      | null    | unlabelled |         | 0     |
 | 966165 | null     | null      | null    | unlabelled |         | 0     |
 | 966166 | null     | null      | null    | unlabelled |         | 0     |
 | 966167 | null     | null      | null    | unlabelled |         | 0     |
 | 966168 | null     | null      | null    | unlabelled |         | 0     |
 | 985716 | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r4#
r4#