here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label   | vrf      | iface     | hop     | label      | targets | bytes |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 36995   | null     | null      | null    | unlabelled |         | 0     |
 | 36996   | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 36997   | v1:4     | ethernet1 | 1.1.1.2 | 407911     |         | 0     |
 | 36998   | v1:4     | ethernet1 | 1.1.1.2 | 407912     |         | 0     |
 | 36999   | v1:4     | ethernet1 | 1.1.1.2 | 407913     |         | 0     |
 | 37000   | null     | null      | null    | unlabelled |         | 0     |
 | 37001   | null     | null      | null    | unlabelled |         | 0     |
 | 37002   | null     | null      | null    | unlabelled |         | 0     |
 | 37003   | null     | null      | null    | unlabelled |         | 0     |
 | 37004   | null     | null      | null    | unlabelled |         | 0     |
 | 52627   | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 114160  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 120145  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 369830  | null     | null      | null    | unlabelled |         | 0     |
 | 369831  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 369832  | v1:6     | ethernet1 | 1234::2 | 490202     |         | 0     |
 | 369833  | v1:6     | ethernet1 | 1234::2 | 490203     |         | 0     |
 | 369834  | v1:6     | ethernet1 | 1234::2 | 490204     |         | 0     |
 | 369835  | null     | null      | null    | unlabelled |         | 0     |
 | 369836  | null     | null      | null    | unlabelled |         | 0     |
 | 369837  | null     | null      | null    | unlabelled |         | 0     |
 | 369838  | null     | null      | null    | unlabelled |         | 0     |
 | 369839  | null     | null      | null    | unlabelled |         | 0     |
 | 428640  | v1:6     | ethernet1 | 1234::2 | 3          |         | 0     |
 | 584410  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 597274  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 660560  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 675817  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 701651  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 1010432 | v1:4     | ethernet1 | 1.1.1.2 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 27287  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 328509 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 380584 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 407909 | null     | null      | null    | unlabelled |         | 0     |
 | 407910 | v1:4     | ethernet1 | 1.1.1.1 | 36996      |         | 1280  |
 | 407911 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 407912 | v1:4     | ethernet2 | 1.1.2.3 | 306487     |         | 640   |
 | 407913 | v1:4     | ethernet2 | 1.1.2.3 | 306488     |         | 640   |
 | 407914 | null     | null      | null    | unlabelled |         | 0     |
 | 407915 | null     | null      | null    | unlabelled |         | 0     |
 | 407916 | null     | null      | null    | unlabelled |         | 0     |
 | 407917 | null     | null      | null    | unlabelled |         | 0     |
 | 407918 | null     | null      | null    | unlabelled |         | 0     |
 | 422496 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 441330 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 461530 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 463424 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 490200 | null     | null      | null    | unlabelled |         | 0     |
 | 490201 | v1:6     | ethernet1 | 1234::1 | 369831     |         | 1280  |
 | 490202 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 490203 | v1:6     | ethernet2 | 1235::3 | 578328     |         | 640   |
 | 490204 | v1:6     | ethernet2 | 1235::3 | 578329     |         | 640   |
 | 490205 | null     | null      | null    | unlabelled |         | 0     |
 | 490206 | null     | null      | null    | unlabelled |         | 0     |
 | 490207 | null     | null      | null    | unlabelled |         | 0     |
 | 490208 | null     | null      | null    | unlabelled |         | 0     |
 | 490209 | null     | null      | null    | unlabelled |         | 0     |
 | 563572 | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 | 591254 | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 643780 | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 | 754908 | v1:6     | ethernet1 | 1234::1 | 3          |         | 0     |
 | 761799 | tester: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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 306484 | null     | null      | null    | unlabelled |         | 0     |
 | 306485 | v1:4     | ethernet1 | 1.1.2.2 | 407910     |         | 640   |
 | 306486 | v1:4     | ethernet1 | 1.1.2.2 | 407911     |         | 640   |
 | 306487 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 306488 | v1:4     | ethernet2 | 1.1.3.4 | 345232     |         | 1280  |
 | 306489 | null     | null      | null    | unlabelled |         | 0     |
 | 306490 | null     | null      | null    | unlabelled |         | 0     |
 | 306491 | null     | null      | null    | unlabelled |         | 0     |
 | 306492 | null     | null      | null    | unlabelled |         | 0     |
 | 306493 | null     | null      | null    | unlabelled |         | 0     |
 | 478514 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 564195 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 578325 | null     | null      | null    | unlabelled |         | 0     |
 | 578326 | v1:6     | ethernet1 | 1235::2 | 490201     |         | 640   |
 | 578327 | v1:6     | ethernet1 | 1235::2 | 490202     |         | 640   |
 | 578328 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 578329 | v1:6     | ethernet2 | 1236::4 | 699826     |         | 1280  |
 | 578330 | null     | null      | null    | unlabelled |         | 0     |
 | 578331 | null     | null      | null    | unlabelled |         | 0     |
 | 578332 | null     | null      | null    | unlabelled |         | 0     |
 | 578333 | null     | null      | null    | unlabelled |         | 0     |
 | 578334 | null     | null      | null    | unlabelled |         | 0     |
 | 588092 | v1:4     | ethernet1 | 1.1.2.2 | 3          |         | 0     |
 | 609275 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 736921 | v1:6     | ethernet2 | 1236::4 | 3          |         | 0     |
 | 752003 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 770322 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 818695 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 871974 | v1:4     | ethernet2 | 1.1.3.4 | 3          |         | 0     |
 | 879667 | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 902110 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 932525 | 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 |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 153366  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 179085  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 345228  | null     | null      | null    | unlabelled |         | 0     |
 | 345229  | v1:4     | ethernet1 | 1.1.3.3 | 306485     |         | 0     |
 | 345230  | v1:4     | ethernet1 | 1.1.3.3 | 306486     |         | 0     |
 | 345231  | v1:4     | ethernet1 | 1.1.3.3 | 306487     |         | 0     |
 | 345232  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 345233  | null     | null      | null    | unlabelled |         | 0     |
 | 345234  | null     | null      | null    | unlabelled |         | 0     |
 | 345235  | null     | null      | null    | unlabelled |         | 0     |
 | 345236  | null     | null      | null    | unlabelled |         | 0     |
 | 345237  | null     | null      | null    | unlabelled |         | 0     |
 | 398142  | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 | 438020  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 462755  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 477568  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 492126  | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 | 699822  | null     | null      | null    | unlabelled |         | 0     |
 | 699823  | v1:6     | ethernet1 | 1236::3 | 578326     |         | 0     |
 | 699824  | v1:6     | ethernet1 | 1236::3 | 578327     |         | 0     |
 | 699825  | v1:6     | ethernet1 | 1236::3 | 578328     |         | 0     |
 | 699826  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 699827  | null     | null      | null    | unlabelled |         | 0     |
 | 699828  | null     | null      | null    | unlabelled |         | 0     |
 | 699829  | null     | null      | null    | unlabelled |         | 0     |
 | 699830  | null     | null      | null    | unlabelled |         | 0     |
 | 699831  | null     | null      | null    | unlabelled |         | 0     |
 | 727379  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 1014838 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 1043558 | tester:4 | null      | null    | unlabelled | local   | 0     |
 |_________|__________|___________|_________|____________|_________|_______|
r4#
r4#