The Advanced Tabs - Linksys BEFCMUH4 User Manual

Instant broadband series cable gateway modem / router / usb / home pna / 4-port switch / wireless-ready
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The DHCP Tab
This screen allows you to configure the DHCP server.
Number of CPEs
Enter the maximum number of PCs that you want
the DHCP server to assign IP addresses to. This
number cannot be greater than 253.
Starting Local Address
Enter a value for the DHCP server to start with when
issuing IP Addresses.
DHCP Client Lease Info
The MAC Address, IP Address, Subnet Mask, Duration,
Expiration, and the Current System Time will be displayed.
Force Available
When you have a computer with a DHCP lease that
still has time on the lease, but you want to replace it
with another computer, you will have to cancel the
lease. To do that, select the computer in the DHCP
Client Lease Info table that you want to replace, then
click the Force Available button. The selected com-
puter's IP address will then be available for another
computer to connect to the network.
Click the Apply button to apply any changes to the settings.
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Instant Broadband
Figure 5-4
Cable Gateway
®
Series

The Advanced Tabs

Options Tab
This screen allows you to choose advanced features for your Gateway.
WAN Blocking
IPSec PassThrough
PPTP PassThrough
Figure 5-5
This feature is designed to protect users
from Internet hackers and other attacks.
By enabling the WAN Blocking, you can
prevent your network from being pinged,
or detected, by other Internet users. The
feature also reinforces your network secu-
rity by hiding your network ports.
This feature lets you use IPSec
PassThrough. To use this feature, click
Enable.
Point-to-Point Tunneling Protocol (PPTP)
is the method used to enable VPN (Virtual
Private Network) sessions. Click Enable
to use this feature.
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