here is the lib:
r1#
r1#
r1#show mpls forw
r1#show mpls forw
 |~~~~~~~~~|~~~~~~~~~~|~~~~~~~~~~~|~~~~~~~~~|~~~~~~~~~~~~|~~~~~~~~~|~~~~~~~|
 | label   | vrf      | iface     | hop     | label      | targets | bytes |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 90288   | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 171182  | null     | null      | null    | unlabelled |         | 0     |
 | 171183  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 171184  | v1:4     | ethernet1 | 1.1.1.2 | 991522     |         | 0     |
 | 171185  | v1:4     | ethernet1 | 1.1.1.2 | 991523     |         | 0     |
 | 171186  | v1:4     | ethernet1 | 1.1.1.2 | 991524     |         | 0     |
 | 171187  | null     | null      | null    | unlabelled |         | 0     |
 | 171188  | null     | null      | null    | unlabelled |         | 0     |
 | 171189  | null     | null      | null    | unlabelled |         | 0     |
 | 171190  | null     | null      | null    | unlabelled |         | 0     |
 | 171191  | null     | null      | null    | unlabelled |         | 0     |
 | 269781  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 446253  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 497305  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 506328  | v1:6     | ethernet1 | 1234::2 | 3          |         | 0     |
 | 508757  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 524090  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 766699  | null     | null      | null    | unlabelled |         | 0     |
 | 766700  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 766701  | v1:6     | ethernet1 | 1234::2 | 340336     |         | 0     |
 | 766702  | v1:6     | ethernet1 | 1234::2 | 340337     |         | 0     |
 | 766703  | v1:6     | ethernet1 | 1234::2 | 340338     |         | 0     |
 | 766704  | null     | null      | null    | unlabelled |         | 0     |
 | 766705  | null     | null      | null    | unlabelled |         | 0     |
 | 766706  | null     | null      | null    | unlabelled |         | 0     |
 | 766707  | null     | null      | null    | unlabelled |         | 0     |
 | 766708  | null     | null      | null    | unlabelled |         | 0     |
 | 776145  | v1:4     | ethernet1 | 1.1.1.2 | 3          |         | 0     |
 | 925551  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 1017355 | tester:6 | 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 |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 56420   | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 117962  | v1:6     | ethernet2 | 1235::3 | 3          |         | 0     |
 | 187224  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 274709  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 340334  | null     | null      | null    | unlabelled |         | 0     |
 | 340335  | v1:6     | ethernet1 | 1234::1 | 766700     |         | 1280  |
 | 340336  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 340337  | v1:6     | ethernet2 | 1235::3 | 867975     |         | 640   |
 | 340338  | v1:6     | ethernet2 | 1235::3 | 867976     |         | 640   |
 | 340339  | null     | null      | null    | unlabelled |         | 0     |
 | 340340  | null     | null      | null    | unlabelled |         | 0     |
 | 340341  | null     | null      | null    | unlabelled |         | 0     |
 | 340342  | null     | null      | null    | unlabelled |         | 0     |
 | 340343  | null     | null      | null    | unlabelled |         | 0     |
 | 361208  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 613948  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 715376  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 719460  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 838366  | v1:4     | ethernet2 | 1.1.2.3 | 3          |         | 0     |
 | 922608  | v1:6     | ethernet1 | 1234::1 | 3          |         | 0     |
 | 972125  | v1:4     | ethernet1 | 1.1.1.1 | 3          |         | 0     |
 | 991520  | null     | null      | null    | unlabelled |         | 0     |
 | 991521  | v1:4     | ethernet1 | 1.1.1.1 | 171183     |         | 1280  |
 | 991522  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 991523  | v1:4     | ethernet2 | 1.1.2.3 | 446639     |         | 640   |
 | 991524  | v1:4     | ethernet2 | 1.1.2.3 | 446640     |         | 640   |
 | 991525  | null     | null      | null    | unlabelled |         | 0     |
 | 991526  | null     | null      | null    | unlabelled |         | 0     |
 | 991527  | null     | null      | null    | unlabelled |         | 0     |
 | 991528  | null     | null      | null    | unlabelled |         | 0     |
 | 991529  | null     | null      | null    | unlabelled |         | 0     |
 | 1008796 | 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 |
 |---------|----------|-----------|---------|------------|---------|-------|
 | 58509   | v1:6     | ethernet1 | 1235::2 | 3          |         | 0     |
 | 101471  | v1:6     | ethernet2 | 1236::4 | 3          |         | 0     |
 | 115292  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 282455  | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 335388  | v1:4     | ethernet2 | 1.1.3.4 | 3          |         | 0     |
 | 341387  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 420390  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 446636  | null     | null      | null    | unlabelled |         | 0     |
 | 446637  | v1:4     | ethernet1 | 1.1.2.2 | 991521     |         | 640   |
 | 446638  | v1:4     | ethernet1 | 1.1.2.2 | 991522     |         | 640   |
 | 446639  | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 446640  | v1:4     | ethernet2 | 1.1.3.4 | 682141     |         | 1280  |
 | 446641  | null     | null      | null    | unlabelled |         | 0     |
 | 446642  | null     | null      | null    | unlabelled |         | 0     |
 | 446643  | null     | null      | null    | unlabelled |         | 0     |
 | 446644  | null     | null      | null    | unlabelled |         | 0     |
 | 446645  | null     | null      | null    | unlabelled |         | 0     |
 | 473942  | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 501239  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 586113  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 691943  | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 867972  | null     | null      | null    | unlabelled |         | 0     |
 | 867973  | v1:6     | ethernet1 | 1235::2 | 340335     |         | 640   |
 | 867974  | v1:6     | ethernet1 | 1235::2 | 340336     |         | 640   |
 | 867975  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 867976  | v1:6     | ethernet2 | 1236::4 | 39413      |         | 1280  |
 | 867977  | null     | null      | null    | unlabelled |         | 0     |
 | 867978  | null     | null      | null    | unlabelled |         | 0     |
 | 867979  | null     | null      | null    | unlabelled |         | 0     |
 | 867980  | null     | null      | null    | unlabelled |         | 0     |
 | 867981  | null     | null      | null    | unlabelled |         | 0     |
 | 1001599 | 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 |
 |--------|----------|-----------|---------|------------|---------|-------|
 | 39409  | null     | null      | null    | unlabelled |         | 0     |
 | 39410  | v1:6     | ethernet1 | 1236::3 | 867973     |         | 0     |
 | 39411  | v1:6     | ethernet1 | 1236::3 | 867974     |         | 0     |
 | 39412  | v1:6     | ethernet1 | 1236::3 | 867975     |         | 0     |
 | 39413  | v1:6     | null      | null    | unlabelled | local   | 1920  |
 | 39414  | null     | null      | null    | unlabelled |         | 0     |
 | 39415  | null     | null      | null    | unlabelled |         | 0     |
 | 39416  | null     | null      | null    | unlabelled |         | 0     |
 | 39417  | null     | null      | null    | unlabelled |         | 0     |
 | 39418  | null     | null      | null    | unlabelled |         | 0     |
 | 48400  | v1:4     | ethernet1 | 1.1.3.3 | 3          |         | 0     |
 | 93798  | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 191427 | v1:6     | null      | null    | unlabelled | local   | 0     |
 | 245162 | v1:4     | null      | null    | unlabelled | local   | 0     |
 | 386585 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 569578 | tester:4 | null      | null    | unlabelled | local   | 0     |
 | 682137 | null     | null      | null    | unlabelled |         | 0     |
 | 682138 | v1:4     | ethernet1 | 1.1.3.3 | 446637     |         | 0     |
 | 682139 | v1:4     | ethernet1 | 1.1.3.3 | 446638     |         | 0     |
 | 682140 | v1:4     | ethernet1 | 1.1.3.3 | 446639     |         | 0     |
 | 682141 | v1:4     | null      | null    | unlabelled | local   | 1920  |
 | 682142 | null     | null      | null    | unlabelled |         | 0     |
 | 682143 | null     | null      | null    | unlabelled |         | 0     |
 | 682144 | null     | null      | null    | unlabelled |         | 0     |
 | 682145 | null     | null      | null    | unlabelled |         | 0     |
 | 682146 | null     | null      | null    | unlabelled |         | 0     |
 | 844085 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 860877 | tester:6 | null      | null    | unlabelled | local   | 0     |
 | 976023 | v1:6     | ethernet1 | 1236::3 | 3          |         | 0     |
 | 998950 | tester:4 | null      | null    | unlabelled | local   | 0     |
 |________|__________|___________|_________|____________|_________|_______|
r4#
r4#