here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 14457  | null     | null      | null    | unlabelled |         | 0     |
 | 14458  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 14459  | v1:6     | ethernet1 | 1234::2 | 1040726    |         | 0     |
 | 14460  | v1:6     | ethernet1 | 1234::2 | 1040727    |         | 0     |
 | 14461  | v1:6     | ethernet1 | 1234::2 | 1040728    |         | 0     |
 | 14462  | null     | null      | null    | unlabelled |         | 0     |
 | 14463  | null     | null      | null    | unlabelled |         | 0     |
 | 14464  | null     | null      | null    | unlabelled |         | 0     |
 | 14465  | null     | null      | null    | unlabelled |         | 0     |
 | 14466  | null     | null      | null    | unlabelled |         | 0     |
 | 37170  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 344020 | null     | null      | null    | unlabelled |         | 0     |
 | 344021 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 344022 | v1:4     | ethernet1 | 1.1.1.2 | 17541      |         | 0     |
 | 344023 | v1:4     | ethernet1 | 1.1.1.2 | 17542      |         | 0     |
 | 344024 | v1:4     | ethernet1 | 1.1.1.2 | 17543      |         | 0     |
 | 344025 | null     | null      | null    | unlabelled |         | 0     |
 | 344026 | null     | null      | null    | unlabelled |         | 0     |
 | 344027 | null     | null      | null    | unlabelled |         | 0     |
 | 344028 | null     | null      | null    | unlabelled |         | 0     |
 | 344029 | null     | null      | null    | unlabelled |         | 0     |
 | 557505 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 711195 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 722619 | v1:6     | ethernet1 | 1234::2 | 3          |         | 0     |
 | 866345 | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 | 878795 | 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 |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 17539   | null     | null      | null    | unlabelled |         | 0     |
 | 17540   | v1:4     | ethernet1 | 1.1.1.1 | 344021     |         | 1280  |
 | 17541   | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 17542   | v1:4     | ethernet2 | 1.1.2.3 | 19067      |         | 640   |
 | 17543   | v1:4     | ethernet2 | 1.1.2.3 | 19068      |         | 640   |
 | 17544   | null     | null      | null    | unlabelled |         | 0     |
 | 17545   | null     | null      | null    | unlabelled |         | 0     |
 | 17546   | null     | null      | null    | unlabelled |         | 0     |
 | 17547   | null     | null      | null    | unlabelled |         | 0     |
 | 17548   | null     | null      | null    | unlabelled |         | 0     |
 | 295636  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 336719  | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 486161  | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 | 727080  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 732341  | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 | 863139  | v1:6     | ethernet1 | 1234::1 | 3          |         | 0     |
 | 884523  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 994159  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 1040724 | null     | null      | null    | unlabelled |         | 0     |
 | 1040725 | v1:6     | ethernet1 | 1234::1 | 14458      |         | 1280  |
 | 1040726 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 1040727 | v1:6     | ethernet2 | 1235::3 | 199154     |         | 640   |
 | 1040728 | v1:6     | ethernet2 | 1235::3 | 199155     |         | 640   |
 | 1040729 | null     | null      | null    | unlabelled |         | 0     |
 | 1040730 | null     | null      | null    | unlabelled |         | 0     |
 | 1040731 | null     | null      | null    | unlabelled |         | 0     |
 | 1040732 | null     | null      | null    | unlabelled |         | 0     |
 | 1040733 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 17883  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 19064  | null     | null      | null    | unlabelled |         | 0     |
 | 19065  | v1:4     | ethernet1 | 1.1.2.2 | 17540      |         | 640   |
 | 19066  | v1:4     | ethernet1 | 1.1.2.2 | 17541      |         | 640   |
 | 19067  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 19068  | v1:4     | ethernet2 | 1.1.3.4 | 71217      |         | 1280  |
 | 19069  | null     | null      | null    | unlabelled |         | 0     |
 | 19070  | null     | null      | null    | unlabelled |         | 0     |
 | 19071  | null     | null      | null    | unlabelled |         | 0     |
 | 19072  | null     | null      | null    | unlabelled |         | 0     |
 | 19073  | null     | null      | null    | unlabelled |         | 0     |
 | 79529  | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 137968 | v1:6     | ethernet2 | 1236::4 | 3          |         | 0     |
 | 199151 | null     | null      | null    | unlabelled |         | 0     |
 | 199152 | v1:6     | ethernet1 | 1235::2 | 1040725    |         | 640   |
 | 199153 | v1:6     | ethernet1 | 1235::2 | 1040726    |         | 640   |
 | 199154 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 199155 | v1:6     | ethernet2 | 1236::4 | 1022055    |         | 1280  |
 | 199156 | null     | null      | null    | unlabelled |         | 0     |
 | 199157 | null     | null      | null    | unlabelled |         | 0     |
 | 199158 | null     | null      | null    | unlabelled |         | 0     |
 | 199159 | null     | null      | null    | unlabelled |         | 0     |
 | 199160 | null     | null      | null    | unlabelled |         | 0     |
 | 207446 | v1:4     | ethernet2 | 1.1.3.4 | 3          |         | 0     |
 | 525027 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 559631 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 873863 | v1:4     | ethernet1 | 1.1.2.2 | 3          |         | 0     |
 | 893365 | tester: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 |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 6720    | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 | 71213   | null     | null      | null    | unlabelled |         | 0     |
 | 71214   | v1:4     | ethernet1 | 1.1.3.3 | 19065      |         | 0     |
 | 71215   | v1:4     | ethernet1 | 1.1.3.3 | 19066      |         | 0     |
 | 71216   | v1:4     | ethernet1 | 1.1.3.3 | 19067      |         | 0     |
 | 71217   | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 71218   | null     | null      | null    | unlabelled |         | 0     |
 | 71219   | null     | null      | null    | unlabelled |         | 0     |
 | 71220   | null     | null      | null    | unlabelled |         | 0     |
 | 71221   | null     | null      | null    | unlabelled |         | 0     |
 | 71222   | null     | null      | null    | unlabelled |         | 0     |
 | 91517   | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 387223  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 477389  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 917733  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 1022051 | null     | null      | null    | unlabelled |         | 0     |
 | 1022052 | v1:6     | ethernet1 | 1236::3 | 199152     |         | 0     |
 | 1022053 | v1:6     | ethernet1 | 1236::3 | 199153     |         | 0     |
 | 1022054 | v1:6     | ethernet1 | 1236::3 | 199154     |         | 0     |
 | 1022055 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 1022056 | null     | null      | null    | unlabelled |         | 0     |
 | 1022057 | null     | null      | null    | unlabelled |         | 0     |
 | 1022058 | null     | null      | null    | unlabelled |         | 0     |
 | 1022059 | null     | null      | null    | unlabelled |         | 0     |
 | 1022060 | null     | null      | null    | unlabelled |         | 0     |
 | 1043693 | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 |_________|__________|___________|_________|____________|_________|_______|
r4#
r4#