The Cisco Gigabit Ethernet dual-identity Enhanced High-speed WAN Interface Card (EHWIC) brings both Small Form-factor Pluggable (SFP) and copper (RJ-45) Gigabit Ethernet connectivity to Cisco Integrated Services Routers (ISRs) to accelerate applications such as Ethernet WAN access, inter-VLAN routing (IVR), and high speed connectivity to LAN switches.