Flexible WAN and Security Fanless Router. An entry level member of the Cisco Integrated Services Router Generation 2 (ISR G2) family, the Cisco 867VAE Integrated Services Router offers connectivity to teleworkers and small branches. This ISR offers the flexibility to be deployed on any one of the following WAN options: Gigabit Ethernet (GE), Asymmetric DSL (ADSL2+) over POTS, and Very-high-bit-rate DSL (VDSL2) over POTS