MitraStar Movistar GPT-2541GNAC, User Manual

Page: 48 / 226

Chapter 4 LAN 48
Table 23 LAN Setup
LABEL DESCRIPTION
Group Name Select the LAN interface for which to configure the IP address and subnet mask.
IP Address Enter the LAN IP address you want to assign to your Router. The factory default is
192.168.1.1.
Subnet Mask Type the subnet mask of your network. The factory default is 255.255.255.0. Your
Router automatically computes the subnet mask based on the IP address you enter,
so do not change this field unless you are instructed to do so.
Enable IGMP
Snooping
IGMP (Internet Group Multicast Protocol) is a network-layer protocol used to
establish membership in a multicast group.
Select this to activate IGMP Snooping. This allows the Router to passively learn
memberships in multicast groups. Otherwise, clear the option to deactivate it.
Select
Standard Mode to have the Router forward multicast packets to a port that
joins the multicast group and broadcast unknown multicast packets from the WAN
to all LAN ports.
Select
Blocking Mode to have the Router block all unknown multicast packets from
the WAN.
Enable IGMP LAN to
LAN Multicast
Select this to allow IGMP multicast traffic to travel between the LAN ports.
Disable DHCP
Server
Select this to have the Router not provide DHCP services. Users must configure LAN
devices with manual network settings if you do not have another DHCP server on
the network.
Enable DHCP Server Select this to have the Router serve as the DHCP server for the network to assign IP
addresses and provide subnet mask, gateway, and DNS server information to LAN
devices.
Start IP Address This field specifies the first of the contiguous addresses in the IP address pool.
End IP Address This field specifies the last of the contiguous addresses in the IP address pool.
Leased Time
(hour)
Specify for how many hours to assign an IP address to a LAN device before making it
available for reassignment to other systems.
Static IP Lease
List
Use this table to assign IP addresses on the LAN to specific computers based on
their MAC Addresses.
MAC Address The MAC (Media Access Control) of a LAN device to which the entry’s IP address is
assigned.
IP Address This field displays the IP address reserved for the LAN device with the entry’s MAC.
Remove Select entries and click the Remove Entries button to delete them.
Add Entries Click this button to create a new static IP lease entry.
Enable DHCP
Conditional Serving
Pool
Select this to enable the DHCP conditional serving pool for IPTV set-top boxes. DHCP
server will offer IP address from the conditional pool if the DHCP request sent from a
set-top box contains the specific Vendor ID.