Switch used: Cisco 2960

Delete the VLAN DB File:


If Vlan.dat and multiple-fs files exist – delete them with:

delete [file-name]

erase startup-config


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 ?

For example:

show sdm prefer routing


sdm prefer dual-ipv4-and-ipv6 routing

Preparing a Cisco Switch


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