Cisco RVS4000 - Gigabit Security Router User's Guide download pdf (Page 18)

Chapter 5

Setting Up and Configuring the Router

4-Port Gigabit Security Router with VPN

Optional Settings (Required by some ISPs)

Some of these settings may be required by your ISP. Verify

with your ISP before making any changes.

Optional Settings

Host Name Some ISPs, usually cable ISPs, require a host

name as identification. You may have to check with your

ISP to see if your broadband Internet service has been

configured with a host name. In most cases, leaving this

field blank will work.

Domain Name Some ISPs, usually cable ISPs, require a

domain name as identification. You may have to check

with your ISP to see if your broadband Internet service

has been configured with a domain name. In most cases,

leaving this field blank will work.

MTU MTU is the Maximum Transmission Unit. It specifies

the largest packet size permitted for Internet transmission.

Select Manual if you want to manually enter the largest

packet size that will be transmitted. To have the Router

select the best MTU for your Internet connection, keep the

default setting, Auto.

Size When Manual is selected in the MTU field, this

option is enabled. It is recommended that you set this

value within the range of 1200 to 1500, but the value can

be defined between 128 and 1500.

DDNS Service DDNS Service is disabled by default. To

enable DDNS Service, follow these instructions:

DynDNS - Sign up for DDNS service at www.dyndns. •

org, and write down your User Name, Password,

and Host Name information.

TZO - Sign up for DDNS service at www.tzo.com, •

and write down your E-mail Address, Password and

Domain Name information.

Select the DDNS service provider whose service you 2.

are using.

Configure the following fields:3.

User Name (DynDNS) or E-mail address (TZO). •

Password •

Host Name (DynDNS) or Domain name (TZO) •

Custom DNS (DynDNS) •

Click 4. Save Settings.

The Router will now advise the DDNS Service of your

current WAN (Internet) IP address whenever this address

changes. If using TZO, you should NOT use the TZO

software to perform this “IP address update”.

Connect The Connect button is displayed when DDNS is

enabled. This button is used to contact the DDNS server to

manually update your IP address information. The Status

area on this screen is also updated.

Setup > LAN

The Setup > LAN screen allows you to change the Router’s

local network settings.

Setup > LAN

VLAN Select the VLAN for the DHCP server from the

drop-down menu.

NOTE: This option appears only if you have

created at least one VLAN from the L2 Switch >

Create VLAN screen.

IPv4

The Router’s Local IP Address and Subnet Mask are shown

here. In most cases, you can keep the defaults.

Local IP Address The default value is 192.168.1.1.

Subnet Mask The default value is 255.255.255.0.

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