Allied Telesis 10/100T x 2 WAN ports secure modular VPN router. DSL connection type: ADSL. Networking standards: IEEE 802.1D, IEEE 802.1Q, IEEE 802.3ac, IEEE 802.3u, IEEE 802.3x. Routing protocols: DVMRP, IGMP, IGMPv2, PIM-DM, PIM-SM, Management protocols: SNMPv3. Authentication method: RADIUS, TACACS, MD5, PAP, CHAP. Flash memory: 16 MB, Internal memory: 64 MB