Firewall protection, auto-uplink (auto MDI/MDI-X), MAC address filtering, IPv 6 support, Low-latency queuing (LLQ), Class-Based Weighted Fair Queuing (CBWFQ), … 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 & small branches.