Tenda V1200 User Manual page 92

Parameter description
Parameter
Enable IGMP Snooping
Standard Mode
Blocking Mode
4.2.1.3 DHCP server
Parameter description
Parameter
Disable DHCP Server
Enable DHCP Server
Enable DHCP Server
Relay
Leased Time (hour)
Description
IGMP snooping is an IPv4 layer-2 multicast constraint mechanism, which is used to
manage and control IPv4 multicast groups. If it is enabled, the specified multicast
data of IPv4 multicast groups can be forwarded to the specified LAN port.
If a multicast group has no member, data of the group will be broadcast. If a
multicast group has members, data of the group will be forwarded to the LAN port
the members use.
If a multicast group has no member, data of the group will be discarded. If a
multicast group has members, data of the group will be forwarded to the LAN port
the members use.
Description
If this option is selected, the DHCP server of this modem router is disabled. In this case,
this modem router does not assign IP addresses and related parameters to its clients.
It indicates that the modem router can assign IP addresses to connected devices.
 Start IP Address: It specifies the start IP address of the IP address pool of the DHCP
server.
End IP Address: It specifies the end IP address of the IP address pool of the DHCP

server.
If this option is selected, the modem router works as a DHCP relay. The DHCP requests
from local computers will forward to the DHCP server runs on WAN side.
It specifies the validity period of one IP address assigned to a device by the modem
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