D-Link Unified Services VPN Router DSR-250V2. Networking standards: IEEE 802.1Q, Ethernet interface type: Fast Ethernet, Gigabit Ethernet, Cabling technology: 10/100/1000Base-T(X). USB version: 3.2 Gen 1 (3.1 Gen 1). Routing protocols: OSPF, OSPFv3, RIP-1, RIP-2, Supported network protocols: IPv6, SNMP v1, v2c, v3. Security algorithms: 3DES, AES, DES, Authentication method: Internal User Database, Radius, POP3, LDAP, AD, NT Domain. Mean time between failures (MTBF): 1239157.85 h, Safety: LVD (EN62368), Certification: FCC Class B, CE Class B, RCM, IC, VCCI