here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label   | vrf      | iface     | hop     | label      | targets | bytes |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 89819   | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 129806  | null     | null      | null    | unlabelled |         | 0     |
 | 129807  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 129808  | v1:6     | ethernet1 | 1234::2 | 32368      |         | 0     |
 | 129809  | v1:6     | ethernet1 | 1234::2 | 32369      |         | 0     |
 | 129810  | v1:6     | ethernet1 | 1234::2 | 32370      |         | 0     |
 | 129811  | null     | null      | null    | unlabelled |         | 0     |
 | 129812  | null     | null      | null    | unlabelled |         | 0     |
 | 129813  | null     | null      | null    | unlabelled |         | 0     |
 | 129814  | null     | null      | null    | unlabelled |         | 0     |
 | 129815  | null     | null      | null    | unlabelled |         | 0     |
 | 213653  | v1:6     | ethernet1 | 1234::2 | 3          |         | 0     |
 | 334018  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 381105  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 586232  | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 | 751376  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 1034150 | null     | null      | null    | unlabelled |         | 0     |
 | 1034151 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 1034152 | v1:4     | ethernet1 | 1.1.1.2 | 120347     |         | 0     |
 | 1034153 | v1:4     | ethernet1 | 1.1.1.2 | 120348     |         | 0     |
 | 1034154 | v1:4     | ethernet1 | 1.1.1.2 | 120349     |         | 0     |
 | 1034155 | null     | null      | null    | unlabelled |         | 0     |
 | 1034156 | null     | null      | null    | unlabelled |         | 0     |
 | 1034157 | null     | null      | null    | unlabelled |         | 0     |
 | 1034158 | null     | null      | null    | unlabelled |         | 0     |
 | 1034159 | null     | null      | null    | unlabelled |         | 0     |
 |_________|__________|___________|_________|____________|_________|_______|
r1#
r1#
here is the lib:
r2#
r2#
r2#show mpls forw
r2#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 32366  | null     | null      | null    | unlabelled |         | 0     |
 | 32367  | v1:6     | ethernet1 | 1234::1 | 129807     |         | 1280  |
 | 32368  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 32369  | v1:6     | ethernet2 | 1235::3 | 162065     |         | 640   |
 | 32370  | v1:6     | ethernet2 | 1235::3 | 162066     |         | 640   |
 | 32371  | null     | null      | null    | unlabelled |         | 0     |
 | 32372  | null     | null      | null    | unlabelled |         | 0     |
 | 32373  | null     | null      | null    | unlabelled |         | 0     |
 | 32374  | null     | null      | null    | unlabelled |         | 0     |
 | 32375  | null     | null      | null    | unlabelled |         | 0     |
 | 120345 | null     | null      | null    | unlabelled |         | 0     |
 | 120346 | v1:4     | ethernet1 | 1.1.1.1 | 1034151    |         | 1280  |
 | 120347 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 120348 | v1:4     | ethernet2 | 1.1.2.3 | 753621     |         | 640   |
 | 120349 | v1:4     | ethernet2 | 1.1.2.3 | 753622     |         | 640   |
 | 120350 | null     | null      | null    | unlabelled |         | 0     |
 | 120351 | null     | null      | null    | unlabelled |         | 0     |
 | 120352 | null     | null      | null    | unlabelled |         | 0     |
 | 120353 | null     | null      | null    | unlabelled |         | 0     |
 | 120354 | null     | null      | null    | unlabelled |         | 0     |
 | 239932 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 279650 | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 | 608893 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 615363 | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 617370 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 769655 | v1:6     | ethernet1 | 1234::1 | 3          |         | 0     |
 | 820948 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 867094 | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r2#
r2#
here is the lib:
r3#
r3#
r3#show mpls forw
r3#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 45052  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 73962  | v1:6     | ethernet2 | 1236::4 | 3          |         | 0     |
 | 162062 | null     | null      | null    | unlabelled |         | 0     |
 | 162063 | v1:6     | ethernet1 | 1235::2 | 32367      |         | 640   |
 | 162064 | v1:6     | ethernet1 | 1235::2 | 32368      |         | 640   |
 | 162065 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 162066 | v1:6     | ethernet2 | 1236::4 | 818319     |         | 1280  |
 | 162067 | null     | null      | null    | unlabelled |         | 0     |
 | 162068 | null     | null      | null    | unlabelled |         | 0     |
 | 162069 | null     | null      | null    | unlabelled |         | 0     |
 | 162070 | null     | null      | null    | unlabelled |         | 0     |
 | 162071 | null     | null      | null    | unlabelled |         | 0     |
 | 208088 | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 253852 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 333482 | v1:4     | ethernet1 | 1.1.2.2 | 3          |         | 0     |
 | 400374 | v1:4     | ethernet2 | 1.1.3.4 | 3          |         | 0     |
 | 450934 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 753618 | null     | null      | null    | unlabelled |         | 0     |
 | 753619 | v1:4     | ethernet1 | 1.1.2.2 | 120346     |         | 640   |
 | 753620 | v1:4     | ethernet1 | 1.1.2.2 | 120347     |         | 640   |
 | 753621 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 753622 | v1:4     | ethernet2 | 1.1.3.4 | 185128     |         | 1280  |
 | 753623 | null     | null      | null    | unlabelled |         | 0     |
 | 753624 | null     | null      | null    | unlabelled |         | 0     |
 | 753625 | null     | null      | null    | unlabelled |         | 0     |
 | 753626 | null     | null      | null    | unlabelled |         | 0     |
 | 753627 | null     | null      | null    | unlabelled |         | 0     |
 | 869015 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 105407 | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 | 148501 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 185124 | null     | null      | null    | unlabelled |         | 0     |
 | 185125 | v1:4     | ethernet1 | 1.1.3.3 | 753619     |         | 0     |
 | 185126 | v1:4     | ethernet1 | 1.1.3.3 | 753620     |         | 0     |
 | 185127 | v1:4     | ethernet1 | 1.1.3.3 | 753621     |         | 0     |
 | 185128 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 185129 | null     | null      | null    | unlabelled |         | 0     |
 | 185130 | null     | null      | null    | unlabelled |         | 0     |
 | 185131 | null     | null      | null    | unlabelled |         | 0     |
 | 185132 | null     | null      | null    | unlabelled |         | 0     |
 | 185133 | null     | null      | null    | unlabelled |         | 0     |
 | 818315 | null     | null      | null    | unlabelled |         | 0     |
 | 818316 | v1:6     | ethernet1 | 1236::3 | 162063     |         | 0     |
 | 818317 | v1:6     | ethernet1 | 1236::3 | 162064     |         | 0     |
 | 818318 | v1:6     | ethernet1 | 1236::3 | 162065     |         | 0     |
 | 818319 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 818320 | null     | null      | null    | unlabelled |         | 0     |
 | 818321 | null     | null      | null    | unlabelled |         | 0     |
 | 818322 | null     | null      | null    | unlabelled |         | 0     |
 | 818323 | null     | null      | null    | unlabelled |         | 0     |
 | 818324 | null     | null      | null    | unlabelled |         | 0     |
 | 859636 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 862633 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 944869 | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 | 954434 | tester:4 | null      | null    | unlabelled | local   | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r4#
r4#