here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label   | vrf      | iface     | hop     | label      | targets | bytes |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 12996   | null     | null      | null    | unlabelled |         | 0     |
 | 12997   | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 12998   | v1:4     | ethernet1 | 1.1.1.2 | 107069     |         | 0     |
 | 12999   | v1:4     | ethernet1 | 1.1.1.2 | 107070     |         | 0     |
 | 13000   | v1:4     | ethernet1 | 1.1.1.2 | 107071     |         | 0     |
 | 13001   | null     | null      | null    | unlabelled |         | 0     |
 | 13002   | null     | null      | null    | unlabelled |         | 0     |
 | 13003   | null     | null      | null    | unlabelled |         | 0     |
 | 13004   | null     | null      | null    | unlabelled |         | 0     |
 | 13005   | null     | null      | null    | unlabelled |         | 0     |
 | 69300   | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 149760  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 311811  | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 | 545705  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 562218  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 589959  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 614329  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 813668  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 875331  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 920354  | null     | null      | null    | unlabelled |         | 0     |
 | 920355  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 920356  | v1:6     | ethernet1 | 1234::2 | 650562     |         | 0     |
 | 920357  | v1:6     | ethernet1 | 1234::2 | 650563     |         | 0     |
 | 920358  | v1:6     | ethernet1 | 1234::2 | 650564     |         | 0     |
 | 920359  | null     | null      | null    | unlabelled |         | 0     |
 | 920360  | null     | null      | null    | unlabelled |         | 0     |
 | 920361  | null     | null      | null    | unlabelled |         | 0     |
 | 920362  | null     | null      | null    | unlabelled |         | 0     |
 | 920363  | null     | null      | null    | unlabelled |         | 0     |
 | 1015211 | v1:6     | ethernet1 | 1234::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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 43543  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 50733  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 107067 | null     | null      | null    | unlabelled |         | 0     |
 | 107068 | v1:4     | ethernet1 | 1.1.1.1 | 12997      |         | 1280  |
 | 107069 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 107070 | v1:4     | ethernet2 | 1.1.2.3 | 871565     |         | 640   |
 | 107071 | v1:4     | ethernet2 | 1.1.2.3 | 871566     |         | 640   |
 | 107072 | null     | null      | null    | unlabelled |         | 0     |
 | 107073 | null     | null      | null    | unlabelled |         | 0     |
 | 107074 | null     | null      | null    | unlabelled |         | 0     |
 | 107075 | null     | null      | null    | unlabelled |         | 0     |
 | 107076 | null     | null      | null    | unlabelled |         | 0     |
 | 350994 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 383919 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 513997 | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 | 626703 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 650560 | null     | null      | null    | unlabelled |         | 0     |
 | 650561 | v1:6     | ethernet1 | 1234::1 | 920355     |         | 1280  |
 | 650562 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 650563 | v1:6     | ethernet2 | 1235::3 | 779342     |         | 640   |
 | 650564 | v1:6     | ethernet2 | 1235::3 | 779343     |         | 640   |
 | 650565 | null     | null      | null    | unlabelled |         | 0     |
 | 650566 | null     | null      | null    | unlabelled |         | 0     |
 | 650567 | null     | null      | null    | unlabelled |         | 0     |
 | 650568 | null     | null      | null    | unlabelled |         | 0     |
 | 650569 | null     | null      | null    | unlabelled |         | 0     |
 | 659262 | v1:6     | ethernet1 | 1234::1 | 3          |         | 0     |
 | 736755 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 764672 | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 | 791478 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 865371 | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 893916 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 40299  | v1:4     | ethernet1 | 1.1.2.2 | 3          |         | 0     |
 | 78135  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 186185 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 198215 | v1:4     | ethernet2 | 1.1.3.4 | 3          |         | 0     |
 | 237582 | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 342513 | v1:6     | ethernet2 | 1236::4 | 3          |         | 0     |
 | 394630 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 684021 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 685417 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 749025 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 779339 | null     | null      | null    | unlabelled |         | 0     |
 | 779340 | v1:6     | ethernet1 | 1235::2 | 650561     |         | 640   |
 | 779341 | v1:6     | ethernet1 | 1235::2 | 650562     |         | 640   |
 | 779342 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 779343 | v1:6     | ethernet2 | 1236::4 | 116089     |         | 1280  |
 | 779344 | null     | null      | null    | unlabelled |         | 0     |
 | 779345 | null     | null      | null    | unlabelled |         | 0     |
 | 779346 | null     | null      | null    | unlabelled |         | 0     |
 | 779347 | null     | null      | null    | unlabelled |         | 0     |
 | 779348 | null     | null      | null    | unlabelled |         | 0     |
 | 795574 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 835128 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 871562 | null     | null      | null    | unlabelled |         | 0     |
 | 871563 | v1:4     | ethernet1 | 1.1.2.2 | 107068     |         | 640   |
 | 871564 | v1:4     | ethernet1 | 1.1.2.2 | 107069     |         | 640   |
 | 871565 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 871566 | v1:4     | ethernet2 | 1.1.3.4 | 452738     |         | 1280  |
 | 871567 | null     | null      | null    | unlabelled |         | 0     |
 | 871568 | null     | null      | null    | unlabelled |         | 0     |
 | 871569 | null     | null      | null    | unlabelled |         | 0     |
 | 871570 | null     | null      | null    | unlabelled |         | 0     |
 | 871571 | null     | null      | null    | unlabelled |         | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r3#
r3#
here is the lib:
r4#
r4#
r4#show mpls forw
r4#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 77991  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 116085 | null     | null      | null    | unlabelled |         | 0     |
 | 116086 | v1:6     | ethernet1 | 1236::3 | 779340     |         | 0     |
 | 116087 | v1:6     | ethernet1 | 1236::3 | 779341     |         | 0     |
 | 116088 | v1:6     | ethernet1 | 1236::3 | 779342     |         | 0     |
 | 116089 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 116090 | null     | null      | null    | unlabelled |         | 0     |
 | 116091 | null     | null      | null    | unlabelled |         | 0     |
 | 116092 | null     | null      | null    | unlabelled |         | 0     |
 | 116093 | null     | null      | null    | unlabelled |         | 0     |
 | 116094 | null     | null      | null    | unlabelled |         | 0     |
 | 148457 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 176360 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 229986 | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 | 238902 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 288812 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 380921 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 452734 | null     | null      | null    | unlabelled |         | 0     |
 | 452735 | v1:4     | ethernet1 | 1.1.3.3 | 871563     |         | 0     |
 | 452736 | v1:4     | ethernet1 | 1.1.3.3 | 871564     |         | 0     |
 | 452737 | v1:4     | ethernet1 | 1.1.3.3 | 871565     |         | 0     |
 | 452738 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 452739 | null     | null      | null    | unlabelled |         | 0     |
 | 452740 | null     | null      | null    | unlabelled |         | 0     |
 | 452741 | null     | null      | null    | unlabelled |         | 0     |
 | 452742 | null     | null      | null    | unlabelled |         | 0     |
 | 452743 | null     | null      | null    | unlabelled |         | 0     |
 | 496779 | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 | 823828 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 927646 | tester:4 | null      | null    | unlabelled | local   | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r4#
r4#