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Ubee Interactive
Using the DHCP Option
Ubee DVW3201B Advanced Wireless Voice Gateway Subscriber User Guide
July 2012
37
5.3
Using the DHCP Option
The dynamic host configuration protocol (DHCP) option allows you to configure DHCP-
specific behavior on the device.
Steps
To configure DHCP settings:
1.
Click the
Gateway
link from the top of the screen.
2. Click
DHCP
from the left side of the screen. The
DHCP
fields are explained following
this screen example.
Label
Description
IP Address
Displays the IPv6 address of the connected device.
MAC Address
Displays the MAC address of the connected device.
Reachability State
Displays the status of the neighboring device. Reachable
indicates the device can be contacted and configuration
information can be obtained from the device.
Page 42 / 96
Using the DHCP Option
Ubee Interactive
38
Ubee DVW3201B Advanced Wireless Voice Gateway Subscriber User Guide
July 2012
Label
Description
DHCP Server
Enables (Yes) or disables (No) DHCP on the device. If No is
selected, all the static DHCP rules in this screen are ignored.
Private Starting Address
Defines the starting private IP address for the pool of IP
addresses that can be used by connecting clients. Private
addresses are translated to public IPs to be used on the
network.
Public Starting Address
Defines the starting public IP address. Public addresses can
be recognized on the network.
Number of CPEs
Defines the maximum number of customer premises
equipment (CPE) that can connect to the network through the
DVW3201B.
Lease Time
Defines the DHCP lease time duration in minutes between 1
and 71582788. A DHCP user's PC gets an IP address with a
lease time. When the lease time expires, the PC must connect
to the DHCP server and be issued a new unused IP address.
Note:
The default DHCP lease time is 3600 seconds and
should be changed to
86400
seconds (24 hours). This helps
resolve connectivity issues with some iMAC and Windows 7
devices that turn off the network interface when they go into
standby mode. This results in slow Web browsing until the
device gets a new IP address via DHCP.
Page 43 / 96
Ubee Interactive
Using the DHCP Static Lease Option
Ubee DVW3201B Advanced Wireless Voice Gateway Subscriber User Guide
July 2012
39
5.4
Using the DHCP Static Lease Option
You can use the
Static Lease
option to assign IP addresses to clients on your network
that do not change. A static lease ensures a specific device always gets the same IP
address, especially if devices are powered on and off or disconnected and reconnected.
This may be useful in a variety of networking scenarios where you need more control over
the network and the clients that connect to it. Examples in which you may need to use a
static lease include:
Using the Advanced Gateway Setup IP Filtering Option on page 45
Using the Advanced Gateway Setup Port Filtering Option on page 46
Using the Advanced Gateway Settings DMZ Host Option on page 54
Steps
To assign static IP addresses:
1.
Click the
Gateway
link from the top of the screen.
2. Click
Static Lease
from the left side of the screen. The
Static Lease
fields are
explained following this screen example.
Note:
The following example shows the DHCP Static Lease option set up for a dual
Xbox configuration.
Apply
Applies and saves all changes when clicked.
DHCP Clients
Lists all DHCP clients currently connected to the device, either
via an Ethernet link, or via a wireless connection. Each client
is listed with the following information:
MAC Address / IP Address / Subnet Mask
Duration / Expires: Duration displays the accumulated
time since the client acquired the IP address. Expires is
the time until the IP expires and must be recycled. If the
IP address is reserved to a certain host, it shows STATIC
IP ADDRESS.
Select: Reserves the current private IP address to be
assigned to this host statically when selected.
Force Available
Activates a selected rule in the DHCP Clients list and assigns
IP addresses. Note: The Select button must be activated in the
DHCP list.
Label
Description
Page 44 / 96
Using the Time Option
Ubee Interactive
40
Ubee DVW3201B Advanced Wireless Voice Gateway Subscriber User Guide
July 2012
5.5
Using the Time Option
The
Time
option allows you to configure the system time obtained from network servers
via Simple Network Time Protocol (SNTP).SNTP is a protocol for synchronizing the clocks
of computing devices over networks. The device must be reset for changes to take effect.
Steps
To configure system time:
1.
Click the
Gateway
link from the top of the screen.
2. Click
Time
from the left side of the screen. The
Time
fields are explained following
this screen example.
Label
Description
Index
Provides an index number for each client that connects to your
network.
MAC Address
Defines the MAC address of the client to which you want to
assign a static IP address.
IP Address
Defines an IP address to the specific client/host.
Enabled
Activates this rule when Enable is checked.
Clear
Deletes the rule when Clear is checked.
Apply
Saves all screen changes when clicked.
Page 45 / 96
Ubee Interactive
Using the Advanced Gateway Setup Options
Ubee DVW3201B Advanced Wireless Voice Gateway Subscriber User Guide
July 2012
41
5.6
Using the Advanced Gateway Setup Options
The
Options
selection
allows you to define what networking protocols are enabled or
disabled on the device. The network address translation application-level gateway (NAT
ALG) settings provide additional security beyond the firewall.
Steps
To enable or disable network protocols:
1.
Click the
Gateway
link from the top of the screen.
2. Click
Options
from the left side of the screen. The
Options
fields are explained
following this screen example.
Label
Description
Enable SNTP
Enables (Yes) or disables (No) the SNTP feature.
Current Time
Displays the current system time.
System Start Time
Displays the accumulated time since the system was started.
Time Server 1
Defines the IP address or Domain name of the time server.
Use the one provided or enter an alternative choice.
Time Server 2
Defines the IP address or Domain name of the time server.
Use the one provided or enter an alternative choice.
Time Server 3
Defines the IP address or Domain name of the time server.
Use the one provided or enter an alternative choice.
Time Zone Offset
Defines the time zone offset in hours and minutes from
Greenwich MEan Time. For example: 8 hours means GMT
+8, -1 hour means GMT -1.
Apply
Saves all screen changes when clicked.
Reset Values
Resets the screen to factory defaults when clicked.

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