OSPF Path Selection with Non-Backbone Transit Areas - solution issue.

Regarding the solution per the workbook we should run no capability transit command only on R6 however also we need it on R1. Without this command on R1, R1 is staill able to use shorthest path through are 1

 

Traceroute from R1 to R8 without no capability transit on R1 as we can see R6 send packet to R1 however R1 still use shortjest path via R4

R6#traceroute 150.1.8.8 numeric
Type escape sequence to abort.
Tracing the route to 150.1.8.8
VRF info: (vrf in name/id, vrf out name/id)
  1 155.1.146.1 0 msec 1 msec 1 msec
  2 155.1.146.4 1 msec 1 msec 1 msec
  3 155.1.45.5 1 msec 1 msec 0 msec
  4 155.1.58.8 1 msec *  2 msec

 

The same trace from R6 to R8 with no capability transit on R1

R6#traceroute 150.1.8.8 numeric
Type escape sequence to abort.
Tracing the route to 150.1.8.8
VRF info: (vrf in name/id, vrf out name/id)
  1 155.1.146.1 1 msec 1 msec 1 msec
  2 155.1.0.5 2 msec 2 msec 1 msec
  3 155.1.58.8 2 msec

 

Regards,

 

Marcin

 

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