here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label   | vrf      | iface     | hop     | label      | targets | bytes |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 245816  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 370565  | null     | null      | null    | unlabelled |         | 0     |
 | 370566  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 370567  | v1:4     | ethernet1 | 1.1.1.2 | 822749     |         | 0     |
 | 370568  | v1:4     | ethernet1 | 1.1.1.2 | 822750     |         | 0     |
 | 370569  | v1:4     | ethernet1 | 1.1.1.2 | 822751     |         | 0     |
 | 370570  | null     | null      | null    | unlabelled |         | 0     |
 | 370571  | null     | null      | null    | unlabelled |         | 0     |
 | 370572  | null     | null      | null    | unlabelled |         | 0     |
 | 370573  | null     | null      | null    | unlabelled |         | 0     |
 | 370574  | null     | null      | null    | unlabelled |         | 0     |
 | 380914  | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 | 893071  | v1:6     | ethernet1 | 1234::2 | 3          |         | 0     |
 | 926124  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 949759  | null     | null      | null    | unlabelled |         | 0     |
 | 949760  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 949761  | v1:6     | ethernet1 | 1234::2 | 766969     |         | 0     |
 | 949762  | v1:6     | ethernet1 | 1234::2 | 766970     |         | 0     |
 | 949763  | v1:6     | ethernet1 | 1234::2 | 766971     |         | 0     |
 | 949764  | null     | null      | null    | unlabelled |         | 0     |
 | 949765  | null     | null      | null    | unlabelled |         | 0     |
 | 949766  | null     | null      | null    | unlabelled |         | 0     |
 | 949767  | null     | null      | null    | unlabelled |         | 0     |
 | 949768  | null     | null      | null    | unlabelled |         | 0     |
 | 986632  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 1013879 | v1:4     | 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 |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 61705   | v1:6     | ethernet1 | 1234::1 | 3          |         | 0     |
 | 82087   | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 187340  | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 | 384934  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 606843  | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 | 625035  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 766967  | null     | null      | null    | unlabelled |         | 0     |
 | 766968  | v1:6     | ethernet1 | 1234::1 | 949760     |         | 1280  |
 | 766969  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 766970  | v1:6     | ethernet2 | 1235::3 | 873139     |         | 640   |
 | 766971  | v1:6     | ethernet2 | 1235::3 | 873140     |         | 640   |
 | 766972  | null     | null      | null    | unlabelled |         | 0     |
 | 766973  | null     | null      | null    | unlabelled |         | 0     |
 | 766974  | null     | null      | null    | unlabelled |         | 0     |
 | 766975  | null     | null      | null    | unlabelled |         | 0     |
 | 766976  | null     | null      | null    | unlabelled |         | 0     |
 | 822747  | null     | null      | null    | unlabelled |         | 0     |
 | 822748  | v1:4     | ethernet1 | 1.1.1.1 | 370566     |         | 1280  |
 | 822749  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 822750  | v1:4     | ethernet2 | 1.1.2.3 | 935657     |         | 640   |
 | 822751  | v1:4     | ethernet2 | 1.1.2.3 | 935658     |         | 640   |
 | 822752  | null     | null      | null    | unlabelled |         | 0     |
 | 822753  | null     | null      | null    | unlabelled |         | 0     |
 | 822754  | null     | null      | null    | unlabelled |         | 0     |
 | 822755  | null     | null      | null    | unlabelled |         | 0     |
 | 822756  | null     | null      | null    | unlabelled |         | 0     |
 | 869572  | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 1011210 | 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 |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 16791   | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 60857   | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 95342   | v1:4     | ethernet2 | 1.1.3.4 | 3          |         | 0     |
 | 296992  | v1:6     | ethernet2 | 1236::4 | 3          |         | 0     |
 | 437966  | v1:4     | ethernet1 | 1.1.2.2 | 3          |         | 0     |
 | 767427  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 818218  | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 873136  | null     | null      | null    | unlabelled |         | 0     |
 | 873137  | v1:6     | ethernet1 | 1235::2 | 766968     |         | 640   |
 | 873138  | v1:6     | ethernet1 | 1235::2 | 766969     |         | 640   |
 | 873139  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 873140  | v1:6     | ethernet2 | 1236::4 | 570146     |         | 1280  |
 | 873141  | null     | null      | null    | unlabelled |         | 0     |
 | 873142  | null     | null      | null    | unlabelled |         | 0     |
 | 873143  | null     | null      | null    | unlabelled |         | 0     |
 | 873144  | null     | null      | null    | unlabelled |         | 0     |
 | 873145  | null     | null      | null    | unlabelled |         | 0     |
 | 935654  | null     | null      | null    | unlabelled |         | 0     |
 | 935655  | v1:4     | ethernet1 | 1.1.2.2 | 822748     |         | 640   |
 | 935656  | v1:4     | ethernet1 | 1.1.2.2 | 822749     |         | 640   |
 | 935657  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 935658  | v1:4     | ethernet2 | 1.1.3.4 | 896580     |         | 1280  |
 | 935659  | null     | null      | null    | unlabelled |         | 0     |
 | 935660  | null     | null      | null    | unlabelled |         | 0     |
 | 935661  | null     | null      | null    | unlabelled |         | 0     |
 | 935662  | null     | null      | null    | unlabelled |         | 0     |
 | 935663  | null     | null      | null    | unlabelled |         | 0     |
 | 1026079 | 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 |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 85232   | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 301396  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 403195  | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 | 409718  | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 | 570142  | null     | null      | null    | unlabelled |         | 0     |
 | 570143  | v1:6     | ethernet1 | 1236::3 | 873137     |         | 0     |
 | 570144  | v1:6     | ethernet1 | 1236::3 | 873138     |         | 0     |
 | 570145  | v1:6     | ethernet1 | 1236::3 | 873139     |         | 0     |
 | 570146  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 570147  | null     | null      | null    | unlabelled |         | 0     |
 | 570148  | null     | null      | null    | unlabelled |         | 0     |
 | 570149  | null     | null      | null    | unlabelled |         | 0     |
 | 570150  | null     | null      | null    | unlabelled |         | 0     |
 | 570151  | null     | null      | null    | unlabelled |         | 0     |
 | 762147  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 896576  | null     | null      | null    | unlabelled |         | 0     |
 | 896577  | v1:4     | ethernet1 | 1.1.3.3 | 935655     |         | 0     |
 | 896578  | v1:4     | ethernet1 | 1.1.3.3 | 935656     |         | 0     |
 | 896579  | v1:4     | ethernet1 | 1.1.3.3 | 935657     |         | 0     |
 | 896580  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 896581  | null     | null      | null    | unlabelled |         | 0     |
 | 896582  | null     | null      | null    | unlabelled |         | 0     |
 | 896583  | null     | null      | null    | unlabelled |         | 0     |
 | 896584  | null     | null      | null    | unlabelled |         | 0     |
 | 896585  | null     | null      | null    | unlabelled |         | 0     |
 | 1025379 | v1:6     | null      | null    | unlabelled | local   | 0     |
 |_________|__________|___________|_________|____________|_________|_______|
r4#
r4#