The Vigor 2820 is an ADSL2+ router with 2nd Ethernet WAN. This 2nd WAN can connect to DSL/ Cable modem or fiber media converter for policy-based load-balance, fail-over & Bo D, it also features advanced bandwidth control mechanisms such as IP-layer Qo S, NAT Session Limitation, Bandwidth Borrowed, etc., to allow easy, flexible & reliable access control & bandwidth management.