here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label   | vrf      | iface     | hop     | label      | targets | bytes |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 102405  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 268931  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 319143  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 353612  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 500242  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 612312  | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 | 816746  | null     | null      | null    | unlabelled |         | 0     |
 | 816747  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 816748  | v1:6     | ethernet1 | 1234::2 | 310074     |         | 0     |
 | 816749  | v1:6     | ethernet1 | 1234::2 | 310075     |         | 0     |
 | 816750  | v1:6     | ethernet1 | 1234::2 | 310076     |         | 0     |
 | 816751  | null     | null      | null    | unlabelled |         | 0     |
 | 816752  | null     | null      | null    | unlabelled |         | 0     |
 | 816753  | null     | null      | null    | unlabelled |         | 0     |
 | 816754  | null     | null      | null    | unlabelled |         | 0     |
 | 816755  | null     | null      | null    | unlabelled |         | 0     |
 | 841967  | v1:6     | ethernet1 | 1234::2 | 3          |         | 0     |
 | 851452  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 871927  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 969819  | null     | null      | null    | unlabelled |         | 0     |
 | 969820  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 969821  | v1:4     | ethernet1 | 1.1.1.2 | 79754      |         | 0     |
 | 969822  | v1:4     | ethernet1 | 1.1.1.2 | 79755      |         | 0     |
 | 969823  | v1:4     | ethernet1 | 1.1.1.2 | 79756      |         | 0     |
 | 969824  | null     | null      | null    | unlabelled |         | 0     |
 | 969825  | null     | null      | null    | unlabelled |         | 0     |
 | 969826  | null     | null      | null    | unlabelled |         | 0     |
 | 969827  | null     | null      | null    | unlabelled |         | 0     |
 | 969828  | null     | null      | null    | unlabelled |         | 0     |
 | 1009972 | tester: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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 13601  | v1:6     | ethernet1 | 1234::1 | 3          |         | 0     |
 | 79752  | null     | null      | null    | unlabelled |         | 0     |
 | 79753  | v1:4     | ethernet1 | 1.1.1.1 | 969820     |         | 1280  |
 | 79754  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 79755  | v1:4     | ethernet2 | 1.1.2.3 | 264328     |         | 640   |
 | 79756  | v1:4     | ethernet2 | 1.1.2.3 | 264329     |         | 640   |
 | 79757  | null     | null      | null    | unlabelled |         | 0     |
 | 79758  | null     | null      | null    | unlabelled |         | 0     |
 | 79759  | null     | null      | null    | unlabelled |         | 0     |
 | 79760  | null     | null      | null    | unlabelled |         | 0     |
 | 79761  | null     | null      | null    | unlabelled |         | 0     |
 | 82411  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 171698 | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 266017 | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 | 310072 | null     | null      | null    | unlabelled |         | 0     |
 | 310073 | v1:6     | ethernet1 | 1234::1 | 816747     |         | 1280  |
 | 310074 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 310075 | v1:6     | ethernet2 | 1235::3 | 3225       |         | 640   |
 | 310076 | v1:6     | ethernet2 | 1235::3 | 3226       |         | 640   |
 | 310077 | null     | null      | null    | unlabelled |         | 0     |
 | 310078 | null     | null      | null    | unlabelled |         | 0     |
 | 310079 | null     | null      | null    | unlabelled |         | 0     |
 | 310080 | null     | null      | null    | unlabelled |         | 0     |
 | 310081 | null     | null      | null    | unlabelled |         | 0     |
 | 317956 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 595842 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 609395 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 663913 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 700120 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 722325 | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 | 763224 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 976560 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 3222   | null     | null      | null    | unlabelled |         | 0     |
 | 3223   | v1:6     | ethernet1 | 1235::2 | 310073     |         | 640   |
 | 3224   | v1:6     | ethernet1 | 1235::2 | 310074     |         | 640   |
 | 3225   | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 3226   | v1:6     | ethernet2 | 1236::4 | 352277     |         | 1280  |
 | 3227   | null     | null      | null    | unlabelled |         | 0     |
 | 3228   | null     | null      | null    | unlabelled |         | 0     |
 | 3229   | null     | null      | null    | unlabelled |         | 0     |
 | 3230   | null     | null      | null    | unlabelled |         | 0     |
 | 3231   | null     | null      | null    | unlabelled |         | 0     |
 | 111351 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 264325 | null     | null      | null    | unlabelled |         | 0     |
 | 264326 | v1:4     | ethernet1 | 1.1.2.2 | 79753      |         | 640   |
 | 264327 | v1:4     | ethernet1 | 1.1.2.2 | 79754      |         | 640   |
 | 264328 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 264329 | v1:4     | ethernet2 | 1.1.3.4 | 110182     |         | 1280  |
 | 264330 | null     | null      | null    | unlabelled |         | 0     |
 | 264331 | null     | null      | null    | unlabelled |         | 0     |
 | 264332 | null     | null      | null    | unlabelled |         | 0     |
 | 264333 | null     | null      | null    | unlabelled |         | 0     |
 | 264334 | null     | null      | null    | unlabelled |         | 0     |
 | 315557 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 344601 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 373716 | v1:4     | ethernet2 | 1.1.3.4 | 3          |         | 0     |
 | 487559 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 507828 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 572006 | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 579042 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 606467 | v1:6     | ethernet2 | 1236::4 | 3          |         | 0     |
 | 664441 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 804178 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 810158 | v1:4     | ethernet1 | 1.1.2.2 | 3          |         | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r3#
r3#
here is the lib:
r4#
r4#
r4#show mpls forw
r4#show mpls forw
 |~~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label   | vrf      | iface     | hop     | label      | targets | bytes |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 10483   | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 74561   | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 110178  | null     | null      | null    | unlabelled |         | 0     |
 | 110179  | v1:4     | ethernet1 | 1.1.3.3 | 264326     |         | 0     |
 | 110180  | v1:4     | ethernet1 | 1.1.3.3 | 264327     |         | 0     |
 | 110181  | v1:4     | ethernet1 | 1.1.3.3 | 264328     |         | 0     |
 | 110182  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 110183  | null     | null      | null    | unlabelled |         | 0     |
 | 110184  | null     | null      | null    | unlabelled |         | 0     |
 | 110185  | null     | null      | null    | unlabelled |         | 0     |
 | 110186  | null     | null      | null    | unlabelled |         | 0     |
 | 110187  | null     | null      | null    | unlabelled |         | 0     |
 | 194228  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 248765  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 352273  | null     | null      | null    | unlabelled |         | 0     |
 | 352274  | v1:6     | ethernet1 | 1236::3 | 3223       |         | 0     |
 | 352275  | v1:6     | ethernet1 | 1236::3 | 3224       |         | 0     |
 | 352276  | v1:6     | ethernet1 | 1236::3 | 3225       |         | 0     |
 | 352277  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 352278  | null     | null      | null    | unlabelled |         | 0     |
 | 352279  | null     | null      | null    | unlabelled |         | 0     |
 | 352280  | null     | null      | null    | unlabelled |         | 0     |
 | 352281  | null     | null      | null    | unlabelled |         | 0     |
 | 352282  | null     | null      | null    | unlabelled |         | 0     |
 | 457864  | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 | 536637  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 537165  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 707502  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 860226  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 1032532 | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 |_________|__________|___________|_________|____________|_________|_______|
r4#
r4#