Switch used: Cisco 2960
Delete the VLAN DB File:
If Vlan.dat and multiple-fs files exist – delete them with:
Show and change the switch database – the cisco switch database manager (SDM) providdes various TCAM allocation templates which can be used to support different switch roles, for example, routing, vlan, access, or default.
show sdm prefer ?
show sdm prefer routing
sdm prefer dual-ipv4-and-ipv6 routing