Configure VLAN and inter-VLAN routing, applying best security practices Troubleshoot inter-VLAN routing problems on layer 3 devices Configure redundancy on a switched network using STP and EtherChannel Expand EtherChannel link on switched networks Explain how to support available and reliable networks using dynamic address and first jump redundancy protocols Configure dynamic address allocation in IPv6 networks Configure WLANs using WLC and L2 best security practices Configure switch security to mitigate local network attacks Set up IPv4 and IPv6 static routing on routers.