Cisco EPC3925 Router Manual PDF (Setup & Configuration Guide)

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4021192 Rev B

Configure Applications and Gaming

Section

Field Description

End Port

For the End port, select a port from the recommended 49152 -

65535 range. Keep in mind that ports used are program specific

so check which ones the program requires to be forwarded.

Protocol

Select one of the following protocols:



TCP



UDP



Both

Enable

Click the Enable checkbox to enable port range triggering for

the relevant application.

Applications & Gaming > DMZ

Use this page to configure an IP address whose ports are directly exposed to the

public Internet or to the Wide Area Network (WAN). Demilitarized Zone (DMZ)

hosting is commonly referred to as "exposed host," and allows you to specify a

recipient of WAN traffic that Network Address Translation (NAT) is unable to

translate to a known local PC.

A DMZ is typically used by a company that wants to host its own Internet server.

DMZ allows one IP address to be placed on the Internet side of the gateway firewall

while others remain protected behind the firewall.

The DMZ allows a device to be directly accessible to Internet traffic, such as a web

(HTTP) server, an FTP server, an SMTP (e-mail) server, and a domain name system

(DNS) server. Select the

DMZ

tab to open the Applications & Gaming DMZ page.

Page 77 / 106

4021192 Rev B

Configure Applications and Gaming

Applications and Gaming DMZ Page Description

Use the descriptions and instructions in the following table to configure the port

range triggering for the residential gateway. Select enable for each DMZ Host IP

address. After you make your selections, click

Save Settings

to apply your changes

Cancel Changes

to cancel.

Section

Field Description

DMZ

DMZ Hosting

Select the desired option:



Enable



Disable

(factory default)

DMZ Host IP Address

DMZ allows one IP address to be unprotected while others remain

protected. Enter the IP address of the computer you want to

expose to the Internet in this field.

Page 78 / 106

4021192 Rev B

Manage the Gateway

Administration > Management

The Administration Management page allows the network’s adminis

trator to

manage specific gateway functions for access and security. Select the

Management

tab to open the Administration Management page.

Important:

The following page displays when

DHCP

(factory default) is the

Connection Mode. The page that displays when

Static IP

is selected is shown and

described later in this section.

Administration Management Page Description

Use the descriptions and instructions in the following table to configure the

administration management for the residential gateway when DHCP or Static IP

connection mode is selected. After you make your selections, click

Save Settings

apply your changes or

Cancel Changes

to cancel.

Page 79 / 106

4021192 Rev B

Manage the Gateway

Field

Description

Gateway Setup

(WAN)

Internet Connection

Type

Connection Mode

This setting allows you to determine how the

WAN (or gateway interface to the Internet) obtains its IP address.

DHCP

(factory default)

Allows the gateway to obtain a public IP address automatically

Static IP

Allows you to specify the WAN IP address and corresponding

server information as static or fixed values that will be used

whenever the gateway goes online

Page 80 / 106

4021192 Rev B

Manage the Gateway

Field

Description

MTU

Gateway Access

Local Access

Internet IP Address

Enter the gateway’s IP address (as seen from the Internet)

Subnet Mask

Enter the gateway’s subnet

mask (as seen from the Internet,

including your service provider)

Default Gateway

Enter the default gateway of the service provider’s server

Primary DNS

Enter the primary domain name server IP address(es) provided by

your service provider. This is required.

Secondary DNS

Enter the secondary domain name server IP address(es) provided

by your service provider. This is optional.

MTU size

MTU is the Maximum Transmission Unit. The MTU size specifies

the largest packet size permitted for Internet transmission. . The

factory default = 0 (1500 bytes)

Current User Name

Identifies the currently logged in user

Change Current User Name to

This field allows you to change your user name. If you want to

change your user name, enter your new user name in this field

and click

Save Settings

to apply the change.

Note:

The factory default user name is a blank field.

Change Password to

This field allows you to change your password. If you want to

change your password, enter your new password in this field.

Then, re-enter your new password in the

Re-Enter New Password

field and click

Save Settings

to apply the change.

Note:

The factory default password is a blank field.

Re-Enter New Password

Allows you to re-enter the new password. You must enter the

same password as the one entered in the previous field

Change

Password to

. After you re-enter your new password, click

Save

Settings

to apply the change.

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