this demonstrates that IP CEF is not enabled, until SVIs are created:
Once SVI is created, CEF tables are created too, and stay there even if we delete the vlan and the SVI:
Now we set back vlan 101 and its SVI. We display the FIB table:
We do a ping to the attached host (in the vlan). A new entry is added to FIB:
We create SVI 103. FIB is updated. Then we ping from host1 to SVI 103:
Now let’s show the adjacency table AT:
