DWR-921 4G LTE Router
User Manual
Overview
Software
Network functions · DHCP server/relay
· Stateful/Stateless mode for IPv6 address assignment, IPv6 prefix delegation
· Automatic   obtainment   of   LAN   IP   address   (for   access   point/repeater/client
modes)
· DNS relay
· Dynamic DNS
· Static IPv4/IPv6 routing
· IGMP Proxy
· RIP
· Support of UPnP
· Support of VLAN
· WAN ping respond
· Support of SIP ALG
· Support of RTSP
· WAN failover
· LAN/WAN conversion
· Multi-WAN support
· Autonegotiation of speed, duplex mode, and flow control / Manual speed and
duplex mode setup for each Ethernet port
· Built-in UDPXY application
· Port mirroring
Firewall functions · Network Address Translation (NAT)
· Stateful Packet Inspection (SPI)
· IPv4/IPv6 filter
· MAC filter
· URL filter
· DMZ
· Virtual servers
· Built-in SkyDNS web content filtering service
VPN · IPsec/PPTP/L2TP/PPPoE pass-through
· PPTP/L2TP tunnels
· L2TP over IPsec
· GRE/EoGRE tunnels
· IPsec tunnels
Transport/Tunnel mode
IKEv1/IKEv2 support
DES encryption
NAT Traversal
Support of DPD (Keep-alive for VPN tunnels)
Management and monitoring · Local   and   remote   access   to   settings   through  SSH/TELNET/WEB
(HTTP/HTTPS)
· Multilingual web-based interface for configuration and management
· Support of D-Link Assistant application for Android and iPhone smartphones
· Notification on connection problems and auto redirect to settings
· Firmware update via web-based interface
· Automatic notification on new firmware version
· Saving/restoring configuration to/from file
· Support of logging to remote host
· Automatic   synchronization   of   system   time   with   NTP   server   and   manual
time/date setup
· Ping utility
· Traceroute utility
· TR-069 client
· Schedules   for   rules   and   settings   of   firewall,   automatic   reboot,   and
enabling/disabling wireless network and Wi-Fi filter
· Automatic upload of configuration file from ISP's server (Auto Provision)
· Configuration of action for hardware buttons
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