here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label  | vrf      | iface     | hop     | label      | targets | bytes |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 73065  | null     | null      | null    | unlabelled |         | 0     |
 | 73066  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 73067  | v1:6     | ethernet1 | 1234::2 | 18718      |         | 0     |
 | 73068  | v1:6     | ethernet1 | 1234::2 | 18719      |         | 0     |
 | 73069  | v1:6     | ethernet1 | 1234::2 | 18720      |         | 0     |
 | 73070  | null     | null      | null    | unlabelled |         | 0     |
 | 73071  | null     | null      | null    | unlabelled |         | 0     |
 | 73072  | null     | null      | null    | unlabelled |         | 0     |
 | 73073  | null     | null      | null    | unlabelled |         | 0     |
 | 73074  | null     | null      | null    | unlabelled |         | 0     |
 | 193098 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 226288 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 349755 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 411812 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 681040 | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 | 905434 | null     | null      | null    | unlabelled |         | 0     |
 | 905435 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 905436 | v1:4     | ethernet1 | 1.1.1.2 | 649817     |         | 0     |
 | 905437 | v1:4     | ethernet1 | 1.1.1.2 | 649818     |         | 0     |
 | 905438 | v1:4     | ethernet1 | 1.1.1.2 | 649819     |         | 0     |
 | 905439 | null     | null      | null    | unlabelled |         | 0     |
 | 905440 | null     | null      | null    | unlabelled |         | 0     |
 | 905441 | null     | null      | null    | unlabelled |         | 0     |
 | 905442 | null     | null      | null    | unlabelled |         | 0     |
 | 905443 | null     | null      | null    | unlabelled |         | 0     |
 | 934679 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 18716  | null     | null      | null    | unlabelled |         | 0     |
 | 18717  | v1:6     | ethernet1 | 1234::1 | 73066      |         | 1280  |
 | 18718  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 18719  | v1:6     | ethernet2 | 1235::3 | 159764     |         | 640   |
 | 18720  | v1:6     | ethernet2 | 1235::3 | 159765     |         | 640   |
 | 18721  | null     | null      | null    | unlabelled |         | 0     |
 | 18722  | null     | null      | null    | unlabelled |         | 0     |
 | 18723  | null     | null      | null    | unlabelled |         | 0     |
 | 18724  | null     | null      | null    | unlabelled |         | 0     |
 | 18725  | null     | null      | null    | unlabelled |         | 0     |
 | 49073  | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 | 121477 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 352368 | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 526255 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 565472 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 602463 | v1:6     | ethernet1 | 1234::1 | 3          |         | 0     |
 | 613172 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 649815 | null     | null      | null    | unlabelled |         | 0     |
 | 649816 | v1:4     | ethernet1 | 1.1.1.1 | 905435     |         | 1280  |
 | 649817 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 649818 | v1:4     | ethernet2 | 1.1.2.3 | 342534     |         | 640   |
 | 649819 | v1:4     | ethernet2 | 1.1.2.3 | 342535     |         | 640   |
 | 649820 | null     | null      | null    | unlabelled |         | 0     |
 | 649821 | null     | null      | null    | unlabelled |         | 0     |
 | 649822 | null     | null      | null    | unlabelled |         | 0     |
 | 649823 | null     | null      | null    | unlabelled |         | 0     |
 | 649824 | null     | null      | null    | unlabelled |         | 0     |
 | 798873 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 159761 | null     | null      | null    | unlabelled |         | 0     |
 | 159762 | v1:6     | ethernet1 | 1235::2 | 18717      |         | 640   |
 | 159763 | v1:6     | ethernet1 | 1235::2 | 18718      |         | 640   |
 | 159764 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 159765 | v1:6     | ethernet2 | 1236::4 | 832087     |         | 1280  |
 | 159766 | null     | null      | null    | unlabelled |         | 0     |
 | 159767 | null     | null      | null    | unlabelled |         | 0     |
 | 159768 | null     | null      | null    | unlabelled |         | 0     |
 | 159769 | null     | null      | null    | unlabelled |         | 0     |
 | 159770 | null     | null      | null    | unlabelled |         | 0     |
 | 161726 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 342531 | null     | null      | null    | unlabelled |         | 0     |
 | 342532 | v1:4     | ethernet1 | 1.1.2.2 | 649816     |         | 640   |
 | 342533 | v1:4     | ethernet1 | 1.1.2.2 | 649817     |         | 640   |
 | 342534 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 342535 | v1:4     | ethernet2 | 1.1.3.4 | 813360     |         | 1280  |
 | 342536 | null     | null      | null    | unlabelled |         | 0     |
 | 342537 | null     | null      | null    | unlabelled |         | 0     |
 | 342538 | null     | null      | null    | unlabelled |         | 0     |
 | 342539 | null     | null      | null    | unlabelled |         | 0     |
 | 342540 | null     | null      | null    | unlabelled |         | 0     |
 | 422482 | v1:6     | ethernet2 | 1236::4 | 3          |         | 0     |
 | 524909 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 573758 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 593079 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 637668 | v1:4     | ethernet2 | 1.1.3.4 | 3          |         | 0     |
 | 638910 | v1:4     | ethernet1 | 1.1.2.2 | 3          |         | 0     |
 | 650225 | v1:6     | ethernet1 | 1235::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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 42634  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 431257 | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 | 556728 | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 | 813356 | null     | null      | null    | unlabelled |         | 0     |
 | 813357 | v1:4     | ethernet1 | 1.1.3.3 | 342532     |         | 0     |
 | 813358 | v1:4     | ethernet1 | 1.1.3.3 | 342533     |         | 0     |
 | 813359 | v1:4     | ethernet1 | 1.1.3.3 | 342534     |         | 0     |
 | 813360 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 813361 | null     | null      | null    | unlabelled |         | 0     |
 | 813362 | null     | null      | null    | unlabelled |         | 0     |
 | 813363 | null     | null      | null    | unlabelled |         | 0     |
 | 813364 | null     | null      | null    | unlabelled |         | 0     |
 | 813365 | null     | null      | null    | unlabelled |         | 0     |
 | 832083 | null     | null      | null    | unlabelled |         | 0     |
 | 832084 | v1:6     | ethernet1 | 1236::3 | 159762     |         | 0     |
 | 832085 | v1:6     | ethernet1 | 1236::3 | 159763     |         | 0     |
 | 832086 | v1:6     | ethernet1 | 1236::3 | 159764     |         | 0     |
 | 832087 | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 832088 | null     | null      | null    | unlabelled |         | 0     |
 | 832089 | null     | null      | null    | unlabelled |         | 0     |
 | 832090 | null     | null      | null    | unlabelled |         | 0     |
 | 832091 | null     | null      | null    | unlabelled |         | 0     |
 | 832092 | null     | null      | null    | unlabelled |         | 0     |
 | 865888 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 909550 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 918678 | tester:6 | null      | null    | unlabelled | local   | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r4#
r4#