Chapter 1 Introducing the P-2812HNU-51c
P-2812HNU-51c User’s Guide
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1.2 Ways to Manage the P-2812HNU-51c
Use any of the following methods to manage the P-2812HNU-51c.
• Web Configurator. This is recommended for everyday management of the P-
2812HNU-51c using a (supported) web browser.
• SNMP. The device can be monitored by an SNMP manager. See the SNMP
chapter in this User’s Guide.
• TR-069. This is an auto-configuration server used to remotely configure your
device.
1.3 Good Habits for Managing the P-2812HNU-
51c
Do the following things regularly to make the P-2812HNU-51c more secure and to
manage the P-2812HNU-51c more effectively.
• Change the password. Use a password that’s not easy to guess and that consists
of different types of characters, such as numbers and letters.
• Write down the password and put it in a safe place.
• Back up the configuration (and make sure you know how to restore it).
Restoring an earlier working configuration may be useful if the device becomes
unstable or even crashes. If you forget your password, you will have to reset the
P-2812HNU-51c to its factory default settings. If you backed up an earlier
configuration file, you would not have to totally re-configure the P-2812HNU-
51c. You could simply restore your last configuration.
1.4 Applications for the P-2812HNU-51c
Here are some example uses for which the P-2812HNU-51c is well suited.
1.4.1 Internet Access
You can have up to eight WAN services over one ADSL, VDSL or Ethernet WAN
line. The P-2812HNU-51c cannot work in ADSL, VDSL and Ethernet WAN mode at
the same time.
Computers can connect to the P-2812HNU-51c’s LAN ports (or wirelessly).
You can also configure IP filtering on the P-2812HNU-51c for secure Internet
access. When the IP filter is on, all incoming traffic from the Internet to your
