here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 433565 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 449139 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 494891 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 556079 | null     | null      | null    | unlabelled |         | 0     |
 | 556080 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 556081 | v1:4     | ethernet1 | 1.1.1.2 | 636718     |         | 0     |
 | 556082 | v1:4     | ethernet1 | 1.1.1.2 | 636719     |         | 0     |
 | 556083 | v1:4     | ethernet1 | 1.1.1.2 | 636720     |         | 0     |
 | 556084 | null     | null      | null    | unlabelled |         | 0     |
 | 556085 | null     | null      | null    | unlabelled |         | 0     |
 | 556086 | null     | null      | null    | unlabelled |         | 0     |
 | 556087 | null     | null      | null    | unlabelled |         | 0     |
 | 556088 | null     | null      | null    | unlabelled |         | 0     |
 | 571744 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 659247 | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 | 733870 | null     | null      | null    | unlabelled |         | 0     |
 | 733871 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 733872 | v1:6     | ethernet1 | 1234::2 | 1001066    |         | 0     |
 | 733873 | v1:6     | ethernet1 | 1234::2 | 1001067    |         | 0     |
 | 733874 | v1:6     | ethernet1 | 1234::2 | 1001068    |         | 0     |
 | 733875 | null     | null      | null    | unlabelled |         | 0     |
 | 733876 | null     | null      | null    | unlabelled |         | 0     |
 | 733877 | null     | null      | null    | unlabelled |         | 0     |
 | 733878 | null     | null      | null    | unlabelled |         | 0     |
 | 733879 | null     | null      | null    | unlabelled |         | 0     |
 | 781863 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 783257 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 808177 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 860267 | v1:6     | ethernet1 | 1234::2 | 3          |         | 0     |
 | 983670 | tester: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 |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 3819    | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 | 167697  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 301605  | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 384909  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 388307  | v1:6     | ethernet1 | 1234::1 | 3          |         | 0     |
 | 540485  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 636716  | null     | null      | null    | unlabelled |         | 0     |
 | 636717  | v1:4     | ethernet1 | 1.1.1.1 | 556080     |         | 1280  |
 | 636718  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 636719  | v1:4     | ethernet2 | 1.1.2.3 | 1037583    |         | 640   |
 | 636720  | v1:4     | ethernet2 | 1.1.2.3 | 1037584    |         | 640   |
 | 636721  | null     | null      | null    | unlabelled |         | 0     |
 | 636722  | null     | null      | null    | unlabelled |         | 0     |
 | 636723  | null     | null      | null    | unlabelled |         | 0     |
 | 636724  | null     | null      | null    | unlabelled |         | 0     |
 | 636725  | null     | null      | null    | unlabelled |         | 0     |
 | 823174  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 891188  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 918856  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 977091  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 988490  | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 | 1001064 | null     | null      | null    | unlabelled |         | 0     |
 | 1001065 | v1:6     | ethernet1 | 1234::1 | 733871     |         | 1280  |
 | 1001066 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 1001067 | v1:6     | ethernet2 | 1235::3 | 436032     |         | 640   |
 | 1001068 | v1:6     | ethernet2 | 1235::3 | 436033     |         | 640   |
 | 1001069 | null     | null      | null    | unlabelled |         | 0     |
 | 1001070 | null     | null      | null    | unlabelled |         | 0     |
 | 1001071 | null     | null      | null    | unlabelled |         | 0     |
 | 1001072 | null     | null      | null    | unlabelled |         | 0     |
 | 1001073 | null     | null      | null    | unlabelled |         | 0     |
 | 1044785 | tester: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 |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 76025   | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 147191  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 185754  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 187630  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 232434  | v1:6     | ethernet2 | 1236::4 | 3          |         | 0     |
 | 257744  | v1:4     | ethernet2 | 1.1.3.4 | 3          |         | 0     |
 | 347407  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 436029  | null     | null      | null    | unlabelled |         | 0     |
 | 436030  | v1:6     | ethernet1 | 1235::2 | 1001065    |         | 640   |
 | 436031  | v1:6     | ethernet1 | 1235::2 | 1001066    |         | 640   |
 | 436032  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 436033  | v1:6     | ethernet2 | 1236::4 | 135112     |         | 1280  |
 | 436034  | null     | null      | null    | unlabelled |         | 0     |
 | 436035  | null     | null      | null    | unlabelled |         | 0     |
 | 436036  | null     | null      | null    | unlabelled |         | 0     |
 | 436037  | null     | null      | null    | unlabelled |         | 0     |
 | 436038  | null     | null      | null    | unlabelled |         | 0     |
 | 544548  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 645165  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 677952  | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 887103  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 924738  | v1:4     | ethernet1 | 1.1.2.2 | 3          |         | 0     |
 | 1037580 | null     | null      | null    | unlabelled |         | 0     |
 | 1037581 | v1:4     | ethernet1 | 1.1.2.2 | 636717     |         | 640   |
 | 1037582 | v1:4     | ethernet1 | 1.1.2.2 | 636718     |         | 640   |
 | 1037583 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 1037584 | v1:4     | ethernet2 | 1.1.3.4 | 485949     |         | 1280  |
 | 1037585 | null     | null      | null    | unlabelled |         | 0     |
 | 1037586 | null     | null      | null    | unlabelled |         | 0     |
 | 1037587 | null     | null      | null    | unlabelled |         | 0     |
 | 1037588 | null     | null      | null    | unlabelled |         | 0     |
 | 1037589 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 17608  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 135108 | null     | null      | null    | unlabelled |         | 0     |
 | 135109 | v1:6     | ethernet1 | 1236::3 | 436030     |         | 0     |
 | 135110 | v1:6     | ethernet1 | 1236::3 | 436031     |         | 0     |
 | 135111 | v1:6     | ethernet1 | 1236::3 | 436032     |         | 0     |
 | 135112 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 135113 | null     | null      | null    | unlabelled |         | 0     |
 | 135114 | null     | null      | null    | unlabelled |         | 0     |
 | 135115 | null     | null      | null    | unlabelled |         | 0     |
 | 135116 | null     | null      | null    | unlabelled |         | 0     |
 | 135117 | null     | null      | null    | unlabelled |         | 0     |
 | 269580 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 461016 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 485945 | null     | null      | null    | unlabelled |         | 0     |
 | 485946 | v1:4     | ethernet1 | 1.1.3.3 | 1037581    |         | 0     |
 | 485947 | v1:4     | ethernet1 | 1.1.3.3 | 1037582    |         | 0     |
 | 485948 | v1:4     | ethernet1 | 1.1.3.3 | 1037583    |         | 0     |
 | 485949 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 485950 | null     | null      | null    | unlabelled |         | 0     |
 | 485951 | null     | null      | null    | unlabelled |         | 0     |
 | 485952 | null     | null      | null    | unlabelled |         | 0     |
 | 485953 | null     | null      | null    | unlabelled |         | 0     |
 | 485954 | null     | null      | null    | unlabelled |         | 0     |
 | 497189 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 519048 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 602506 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 628457 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 759778 | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 | 942673 | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 | 956072 | tester:6 | null      | null    | unlabelled | local   | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r4#
r4#