here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 9932   | null     | null      | null    | unlabelled |         | 0     |
 | 9933   | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 9934   | v1:6     | ethernet1 | 1234::2 | 973851     |         | 0     |
 | 9935   | v1:6     | ethernet1 | 1234::2 | 973852     |         | 0     |
 | 9936   | v1:6     | ethernet1 | 1234::2 | 973853     |         | 0     |
 | 9937   | null     | null      | null    | unlabelled |         | 0     |
 | 9938   | null     | null      | null    | unlabelled |         | 0     |
 | 9939   | null     | null      | null    | unlabelled |         | 0     |
 | 9940   | null     | null      | null    | unlabelled |         | 0     |
 | 9941   | null     | null      | null    | unlabelled |         | 0     |
 | 248787 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 347623 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 406343 | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 | 625698 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 771362 | null     | null      | null    | unlabelled |         | 0     |
 | 771363 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 771364 | v1:4     | ethernet1 | 1.1.1.2 | 681287     |         | 0     |
 | 771365 | v1:4     | ethernet1 | 1.1.1.2 | 681288     |         | 0     |
 | 771366 | v1:4     | ethernet1 | 1.1.1.2 | 681289     |         | 0     |
 | 771367 | null     | null      | null    | unlabelled |         | 0     |
 | 771368 | null     | null      | null    | unlabelled |         | 0     |
 | 771369 | null     | null      | null    | unlabelled |         | 0     |
 | 771370 | null     | null      | null    | unlabelled |         | 0     |
 | 771371 | null     | null      | null    | unlabelled |         | 0     |
 | 777376 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 966221 | 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 |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 5232    | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 | 387912  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 504324  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 608160  | v1:6     | ethernet1 | 1234::1 | 3          |         | 0     |
 | 681285  | null     | null      | null    | unlabelled |         | 0     |
 | 681286  | v1:4     | ethernet1 | 1.1.1.1 | 771363     |         | 1280  |
 | 681287  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 681288  | v1:4     | ethernet2 | 1.1.2.3 | 548446     |         | 640   |
 | 681289  | v1:4     | ethernet2 | 1.1.2.3 | 548447     |         | 640   |
 | 681290  | null     | null      | null    | unlabelled |         | 0     |
 | 681291  | null     | null      | null    | unlabelled |         | 0     |
 | 681292  | null     | null      | null    | unlabelled |         | 0     |
 | 681293  | null     | null      | null    | unlabelled |         | 0     |
 | 681294  | null     | null      | null    | unlabelled |         | 0     |
 | 711605  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 837438  | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 | 883140  | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 973849  | null     | null      | null    | unlabelled |         | 0     |
 | 973850  | v1:6     | ethernet1 | 1234::1 | 9933       |         | 1280  |
 | 973851  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 973852  | v1:6     | ethernet2 | 1235::3 | 983555     |         | 640   |
 | 973853  | v1:6     | ethernet2 | 1235::3 | 983556     |         | 640   |
 | 973854  | null     | null      | null    | unlabelled |         | 0     |
 | 973855  | null     | null      | null    | unlabelled |         | 0     |
 | 973856  | null     | null      | null    | unlabelled |         | 0     |
 | 973857  | null     | null      | null    | unlabelled |         | 0     |
 | 973858  | null     | null      | null    | unlabelled |         | 0     |
 | 1045097 | v1:4     | 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 |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 16283   | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 18526   | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 31727   | v1:4     | ethernet1 | 1.1.2.2 | 3          |         | 0     |
 | 249696  | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 405217  | v1:6     | ethernet2 | 1236::4 | 3          |         | 0     |
 | 548443  | null     | null      | null    | unlabelled |         | 0     |
 | 548444  | v1:4     | ethernet1 | 1.1.2.2 | 681286     |         | 640   |
 | 548445  | v1:4     | ethernet1 | 1.1.2.2 | 681287     |         | 640   |
 | 548446  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 548447  | v1:4     | ethernet2 | 1.1.3.4 | 478913     |         | 1280  |
 | 548448  | null     | null      | null    | unlabelled |         | 0     |
 | 548449  | null     | null      | null    | unlabelled |         | 0     |
 | 548450  | null     | null      | null    | unlabelled |         | 0     |
 | 548451  | null     | null      | null    | unlabelled |         | 0     |
 | 548452  | null     | null      | null    | unlabelled |         | 0     |
 | 591005  | v1:4     | ethernet2 | 1.1.3.4 | 3          |         | 0     |
 | 631650  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 983552  | null     | null      | null    | unlabelled |         | 0     |
 | 983553  | v1:6     | ethernet1 | 1235::2 | 973850     |         | 640   |
 | 983554  | v1:6     | ethernet1 | 1235::2 | 973851     |         | 640   |
 | 983555  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 983556  | v1:6     | ethernet2 | 1236::4 | 907324     |         | 1280  |
 | 983557  | null     | null      | null    | unlabelled |         | 0     |
 | 983558  | null     | null      | null    | unlabelled |         | 0     |
 | 983559  | null     | null      | null    | unlabelled |         | 0     |
 | 983560  | null     | null      | null    | unlabelled |         | 0     |
 | 983561  | null     | null      | null    | unlabelled |         | 0     |
 | 1044677 | v1:4     | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 10446  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 206610 | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 | 221970 | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 | 478909 | null     | null      | null    | unlabelled |         | 0     |
 | 478910 | v1:4     | ethernet1 | 1.1.3.3 | 548444     |         | 0     |
 | 478911 | v1:4     | ethernet1 | 1.1.3.3 | 548445     |         | 0     |
 | 478912 | v1:4     | ethernet1 | 1.1.3.3 | 548446     |         | 0     |
 | 478913 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 478914 | null     | null      | null    | unlabelled |         | 0     |
 | 478915 | null     | null      | null    | unlabelled |         | 0     |
 | 478916 | null     | null      | null    | unlabelled |         | 0     |
 | 478917 | null     | null      | null    | unlabelled |         | 0     |
 | 478918 | null     | null      | null    | unlabelled |         | 0     |
 | 544818 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 718611 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 907320 | null     | null      | null    | unlabelled |         | 0     |
 | 907321 | v1:6     | ethernet1 | 1236::3 | 983553     |         | 0     |
 | 907322 | v1:6     | ethernet1 | 1236::3 | 983554     |         | 0     |
 | 907323 | v1:6     | ethernet1 | 1236::3 | 983555     |         | 0     |
 | 907324 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 907325 | null     | null      | null    | unlabelled |         | 0     |
 | 907326 | null     | null      | null    | unlabelled |         | 0     |
 | 907327 | null     | null      | null    | unlabelled |         | 0     |
 | 907328 | null     | null      | null    | unlabelled |         | 0     |
 | 907329 | null     | null      | null    | unlabelled |         | 0     |
 | 991208 | v1:4     | null      | null    | unlabelled | local   | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r4#
r4#