D-Link DWR-921 User Manual

DWR-921 4G LTE Router
User Manual
Configuring via Web-based Interface
4(
On the Advanced / IGMP page, you can allow the router to use IGMP and specify needed
settings.
IGMP is used for managing multicast traffic (transferring data to a group of destinations). This
protocol allows using network resources for some applications, e.g., for streaming video, more
efficiently.
Figure 155. The Advanced / IGMP page.
The following elements are available on the page:
Parameter Description
IGMP
Enable
Move the switch to the right to enable IGMP.
IGMP version Select a version of IGMP from the drop-down list.
Interface
From the drop-down list, select a connection of the Dynamic IPv4 or
Static IPv4 type for which you need to allow multicast traffic (e.g.
streaming video).
After specifying the needed parameters, click the APPLY button.
Page 197 of 255

D-Link DWR-921 Specifications

General

VPN support	L2TP/PPTP/IPSEC
Ethernet LAN	Yes
Cabling technology	10/100Base-T(X)
Networking standards	IEEE 802.11b, IEEE 802.11g, IEEE 802.11n, IEEE 802.3, IEEE 802.3u
Ethernet LAN data rates	10, 100 Mbit/s
Ethernet LAN interface type	Fast Ethernet
Wi-Fi band	No
Wi-Fi standards	802.11b, 802.11g, Wi-Fi 4 (802.11n)
Top Wi-Fi standard	Wi-Fi 4 (802.11n)
WLAN data transfer rate (max)	150 Mbit/s
Ethernet LAN (RJ-45) ports	4
DHCP client	-
Antennas quantity	2
Security algorithms	128-bit WEP, 64-bit WEP, WPA, WPA2
Certification	CE, Wi-Fi
Operating temperature (T-T)	0 - 40 °C
Operating relative humidity (H-H)	10 - 90 %
Product color	Black, White
LED indicators	3G, LAN, Power, WAN, WLAN

Weight and Dimensions

Depth	111.5 mm
Width	190 mm
Height	23.5 mm
Weight	500 g