Thiết bị cân bằng tải DrayTek Vigor2927Lac

• Ethernet WAN
  • DHCP Client
  • Static IP
  • PPPoE 
  • PPTP / L2TP (WAN-2 only)
  • 802.1q Multi-VLAN Tagging 
• IPv6 Connection Type
  • Dual Stack: PPP, DHCPv6 Client, Static IPv6
  • Tunnel Mode: TSPC, AICCU, 6rd, 6in4 Static Tunnel
• USB WAN
  • PPP(3G) / CDC driver(3G) / support IPv6 protocol :TSPC/AICCU
• LTE
  • LTE Category 6
  • Max. Data Rate 300 Mbps downlink, 50 Mbps uplink
  • FDD Band : 1 (2100MHz), 3 (1800MHz), 7 (2600MHz), 8 (900MHz), 20 (800MHz), 28 (700MHz)
  • TDD Band 38 (2600MHz), 40 (2300MHz)
  • WCDMA (3G) Band 1, 8 

Dual WAN

• Load-Balance / Route Policy
• Outbound policy-based load-balance
• WAN Connection Failover
• Multiple-VLAN

• Hotspot Web Portal
• Packet Forwarding Acceleration
• DHCP client/relay/server
• DHCP Option: 1,3,6,51,53,54,58,59,60,61,66,125
• IGMP v2/v3
• LAN DNS /DNS Forwarding
• Dynamic DNS
• NTP Client
• RADIUS /TACACS+ Client
• Internal RADIUS Server
• Active Directory /LDAP compatible (client)
• DNS Cache/Proxy and LAN DNS
• UPnP 50 sessions
• Wake on LAN
• Bonjour service
• Routing Protocol:
  • Static Routing
  • RIP v1/v2
  • BGP
• Triple-Play Application
  • IGMP snooping/proxy
• 8 x Multiple Subnet LAN

• Web-based User Interface (HTTP/HTTPS)
• CLI (Command Line Interface, Telnet/SSH)
• Administration Access Control
• Configuration Backup/Restore
• Built-in Diagnostic Function
• Firmware Upgrade via TFTP/HTTP/TR-069
• Logging via Syslog
• SNMP v2/v3
• Support SMS/E-mail Alert
• Management Session Time Out
• Two-level Management (Admin/User Mode)
• External device detection (master mode)
• TR-069/TR-104
• Support Multiple-Firmware Upgrade Utility (MFUU)
• Dashboard

• QoS
  • Guarantee bandwidth for VoIP
  • Class-based bandwidth guarantee by user-defined traffic categories
  • DiffServ Code Point classifying
  • 4-level priority for each direction (Inbound/Outbound)
  • Bandwidth borrowed
• Bandwidth/Session limitation
  • Smart Bandwidth Limit
  • config by ip range
  • Layer-3 (TOS/DSCP) QoS
• Layer-2 (802.1p) QoS
• WAN budget

• Up to 50 VPN Tunnels (including 25 SSL VPN tunnels)
• VPN Wizard
• VPN Trunk with Backup / Load Balance
• Protocol : PPTP, IPsec, L2TP, L2TP over IPsec, GRE over IPSec
• Encryption : MPPE and hardware-based AES/DES/3DES
• Authentication : SHA
• IKE Authentication : Pre-shared Key and Digital Signature (X.509)
• LAN-to-LAN, Teleworker-to-LAN (remote user dial-in)
• DHCP over IPsec
• IPsec NAT-traversal (NAT-T)
• Dead Peer Detection (DPD)
• VPN Pass-through
• mOTP

Firewall

• DMZ Host：Port-redirection, Open Port, Port Triggering
• User-based / Rule-based Firewall
• Object-based Firewall：SPI (Stateful Packet Inspection) (Flow Track)
• DoS Prevention
• Time Schedule Control
• DNS Filter Enhancement
• User Management
• Firewall Wizard Mode and Advanced Mode

 CSM (Content Security Management)

• APP Enforcement
  • Support APPE Signature Upgrade by license
• URL Content Filter
  • Access Control : URL Keyword Blocking (White/Black List)
  • Web Feature : Java Applet, Cookies, Active X, Compressed, Executable, Multimedia File Blocking
• Web Content Filter (support Cyren and BPjM)
• DNS Filter

Central Device Management

• AP Management
• VPN Management
• Switch Management
• External Devices 

• File System
• Support FAT32 File System
• Support FTP Function for File Sharing
• 3.5G (HSDPA) and 4G (LTE) as WAN3/WAN4 by using USB dongle (can support Dual USB WAN)
• USB Device Status (disk/modem/printer/sensor)
• Support USB Temperature Sensor
• Support file sharing (DrayTek’s own SMB protocol stack)