User's Manual

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2. Customize the fields as desired.
3. Click Apply/Save to commit your changes.
The fields on this page are explained in the following table.
Field Name Description
GroupName Select an interface group from the list of available groups (defined on the Interface
Grouping page).
IP Address Enter the LAN IP address to be used by LAN devices connecting to this gateway.
Subnet Mask Enter the subnet mask to be used by LAN devices connecting to this gateway.
Enable IGMP Snooping Select to enable your gateway to listen to IGMP network traffic between hosts and
routers. By listening to these conversations, the gateway maintains a map of which
links need which IP multicast streams.
Standard Mode Allows multicast traffic will flood to all bridge ports when there is no client sub-
scribed to any multicast group.
Blocking Mode Blocks multicast data traffic, preventing it from flooding to all bridge ports when no
client subscriptions to a multicast group are present. This option is enabled by
default.
Enable IGMP LAN to
LAN Multicast
Allows multicast traffic between LANs. Options are
Disable
and
Enable
. The default
is
Disable
.
Enable LAN Side Fire-
wall
Enables the restriction of traffic between LAN hosts.
Disable DHCP Server Prevents the DHCP functionality of your gateway from automatically assigning LAN
IPaddresses to host devices as they connect with the gateway.
Enable DHCP Server Allows the DHCP functionality of your gateway to automatically assign LAN IP
addresses to host devices as they connect with the gateway. This option is selected
by default.
Fill in the next three fields to configure this action.
Start IP Address Enter the beginning of the class C IP address range to be assigned by the DHCP
server.
End IP Address Enter the end of the class C IP address range to be assigned by the DHCP server.
Leased Time (hour) Enter the number of hours for which an IP address will be leased. The default is
24
hours
.
Static IP Lease List Specify a static
IP address
to be associated with a
specific MAC Address
of one of
your LAN host devices. Click
Add Entries
. Enter the MAC address and IP address and
click
Apply/Save
. Repeat this step to create any additional entries that you need.
Automatically create
static IP leases from
the following OUIs
For LAN hosts, IP addresses can be assigned manually or by using DHCP. Click
Add
OUI
. Enter the OUI and click
Apply/Save
. Repeat this step to create any additional
entries that you need.
Configure DHCP
Options
Enter information for the following three DHCP options:
l Option 66: For some devices that also require access to a TFTP server (device
configuration name filesare in .cnf file format), which enables the device to
communicate with other infrastructure, select this option to specify the
name of the TFTP server. Option 66 is an IEEE standard.