TP-Link TD-W8951NB TD-W8951NB V4 User Guide - Page 36

TD-W8951NB, Multicast, IGMP v1, IGMP Snoop, DHCP Server, Enabled, Starting IP Address

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TD-W8951NB 150Mbps Wireless N ADSL2+ Modem Router (Annex B) User Guide • Multicast: Select IGMP version, or disable the function. IGMP (Internet Group Multicast Protocol) is a session-layer protocol used to establish membership in a multicast group. The ADSL ATU-R supports both IGMP version 1 (IGMP v1), IGMP v2 and IGMP v3. Select "Disabled" to disable it. • IGMP Snoop: Enable the IGMP Snoop function if you need. ¾ DHCP Server: Select Enabled, then you will see the screen below (shown in Figure 4-12). The Router will work as a DHCP Server; it becomes the default gateway for DHCP client connected to it. DHCP stands for Dynamic Host Control Protocol. The DHCP Server gives out IP addresses when a device is booting up and request an IP address to be logged on to the network. That device must be set as a DHCP client to obtain the IP address automatically. By default, the DHCP Server is enabled. The DHCP address pool contains the range of the IP address that will automatically be assigned to the clients on the network. Figure 4-12 • Starting IP Address: Enter the starting IP address for the DHCP server's IP assignment. Because the default IP address for the Router is 192.168.1.1, the default Start IP Address is 192.168.1.2, and the Start IP Address must be 192.168.1.2 or greater, but smaller than 192.168.1.254. • IP Pool Count: The max user pool size. • Lease Time: The length of time for the IP lease. After the dynamic IP address has expired, the user will be automatically assigned a new dynamic IP address. The default is 259200 seconds. • Physical Ports: If a physical port is unchecked, the client connected to that port will not be able to obtain IP address automatically although the DHCP function is enabled. All the ports are checked by default. 29

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TD-W8951NB
150Mbps Wireless N ADSL2+ Modem Router (Annex B) User Guide
29
•
Multicast:
Select IGMP version, or disable the function. IGMP (Internet Group Multicast
Protocol) is a session-layer protocol used to establish membership in a multicast group.
The ADSL ATU-R supports both IGMP version 1 (
IGMP v1
),
IGMP v2
and
IGMP v3
.
Select “Disabled” to disable it.
•
IGMP Snoop:
Enable the IGMP Snoop function if you need.
¾
DHCP Server:
Select
Enabled
, then you will see the screen below (shown in Figure 4-12).
The Router will work as a DHCP Server; it becomes the default gateway for DHCP client
connected to it. DHCP stands for Dynamic Host Control Protocol. The DHCP Server gives out
IP addresses when a device is booting up and request an IP address to be logged on to the
network. That device must be set as a DHCP client to obtain the IP address automatically. By
default, the DHCP Server is enabled. The DHCP address pool contains the range of the IP
address that will automatically be assigned to the clients on the network.
Figure 4-12
•
Starting IP Address:
Enter the starting IP address for the DHCP server's IP assignment.
Because the default IP address for the Router is 192.168.1.1, the default Start IP
Address is
192.168.1.2
, and the Start IP Address must be 192.168.1.2 or greater, but
smaller than 192.168.1.254.
•
IP Pool Count:
The max user pool size.
•
Lease Time:
The length of time for the IP lease. After the dynamic IP address has
expired, the user will be automatically assigned a new dynamic IP address. The default is
259200
seconds.
•
Physical Ports:
If a physical port is unchecked, the client connected to that port will not
be able to obtain IP address automatically although the DHCP function is enabled. All the
ports are checked by default.