Cisco’s new Linksys E-series routers look a lot like the WRT-series routers they replace, complete with the weird flying-saucer motif and internal antennas. All the new features are under the hood and in the setup software.As befits a flagship product, the E3000 is a dual-band (2.4GHz and 5GHz) router that enables you to operate two discrete wireless networks simultaneously. You can also operate a virtual guest network on the 2.4GHz band that limits clients to Internet access, isolating them from the rest of your network.