Cisco RV-120W Router Manual PDF (Setup & Configuration Guide)

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Configuring Networking

Configuring the LAN (Local Network) Settings

Cisco RV120W Administration Guide

Configuring the LAN (Local Network) Settings

If you have an IPv4 network, use these sections to configure your LAN settings. If

you have an IPv6 network, see

Configuring IPv6 LAN Properties, page 43

Configuring IPv4 LAN (Local Network) Settings

If you have an IPv4 LAN, you can configure the following settings:

Configuring the Host Name

To configure the host name of the Cisco RV120W:

STEP 1

Choose

Networking

LAN

(Local Network)

IPv4 LAN (Local Network)

STEP

In the

Host Name

field, enter the host name of the Cisco RV120W. You can use

only alpha-numeric characters and the hyphen.

The default hostname (for example, “router9BA120”) consists of the word “router”

followed by the last 3 bytes of firewall’s LAN MAC address (in Hex-decimal form).

This format allows the FindIT application to use Bonjour to identify Cisco Small

Business devices on the LAN.

STEP

Click

Save

Configuring the IP Address

You might want to change the default IP address if that address is assigned to

another piece of equipment in your network.

Page 37 / 163

Configuring Networking

Configuring the LAN (Local Network) Settings

Cisco RV120W Administration Guide

To configure the IP address of the Cisco RV120W:

STEP 1

Choose

Networking

LAN

(Local Network)

IPv4 LAN (Local Network)

STEP

Enter this information:

STEP

Click

Save

After changing the Cisco RV120W’s LAN IP address, your PC is no longer

connected to the Cisco RV120W.

STEP

To reconnect your PC to the Cisco RV120W:

•

If DHCP is configured on the Cisco RV120W, release and renew your PC’s IP

address.

•

If DHCP is not configured on the Cisco RV120W, manually assign an IP

address to your PC. The address must be on the same subnet as the Cisco

RV120W. For example, if you change the Cisco RV120W’s IP address to

10.0.0.1, assign your PC an IP address in the range of 10.0.0.2 to 10.0.0.254.

STEP

Open a new browser window and enter the new IP address of the Cisco RV120W

to reconnect.

Configuring DHCP

By default, the Cisco RV120W functions as a DHCP server to the hosts on the

Wireless LAN (WLAN) or LAN network and assigns IP and DNS server addresses.

With DHCP enabled, the firewall's IP address serves as the gateway address to

your LAN. The PCs in the LAN are assigned IP addresses from a pool of

addresses. Each address is tested before it is assigned to avoid duplicate

addresses on the LAN.

IP Address

Enter the LAN IP address of the RV120W.

Make sure the address is not in use by another

device on the same network. The default IP

address is 192.168.1.1.

Subnet mask

Choose the subnet mask for the new IP address

from the drop-down menu. The default subnet is

255.255.255.0.

Page 38 / 163

Configuring Networking

Configuring the LAN (Local Network) Settings

Cisco RV120W Administration Guide

For most applications, the default DHCP settings are satisfactory. If you want

another PC on your network to be the DHCP server, or if you are manually

configuring the network settings of all of your PCs, disable DHCP.

To configure the DHCP settings of the Cisco RV120W:

STEP 1

Choose

Networking

LAN

(Local Network)

IPv4 LAN (Local Network)

STEP

From the

DHCP Mode

drop-down menu, choose one of these options:

•

None—Choose this option if the Cisco RV120W is not going to act as a DHCP

server.

•

DHCP Server

—Choose this option to configure the Cisco RV120W to be a

DHCP server and enter this information:

Domain Name

— (Optional) Enter the domain name for your network.

Starting IP Address

Ending IP Address

—Enter the first and last of the

contiguous addresses in the IP address pool. Any new DHCP client

joining the LAN is assigned an IP address in this range. You can save part

of the range for PCs with fixed addresses. These addresses should be in

the same IP address subnet as the Cisco RV120W's LAN IP address.

Primary DNS Server

Secondary DNS Server

—DNS servers map

Internet domain names (for example, www.cisco.com) to IP addresses.

Enter the server IP addresses in these fields if you want to use different

DNS servers than are specified in your WAN settings.

Lease time

—Enter the duration (in hours) for which IP addresses are

leased to clients

•

DHCP Relay

—Choose this option to configure the Cisco RV120W to be a

DHCP relay agent and enter the address of the relay agent in the Relay

Gateway field. The relay agent transmits DHCP messages between multiple

subnets.

STEP

Click

Save

Configuring the DNS Proxy

You can also enable a DNS proxy. When enabled, the firewall then acts as a proxy

for all DNS requests and communicates with the ISP's DNS servers. When

disabled, all DHCP clients receive the DNS IP addresses of the ISP.

Page 39 / 163

Configuring Networking

Configuring the LAN (Local Network) Settings

Cisco RV120W Administration Guide

To configure the DNS proxy server for the Cisco RV120W:

STEP 1

Choose

Networking

LAN

(Local Network)

IPv4 LAN (Local Network)

STEP

In the

DNS Proxy

field, check to enable the Cisco RV120W to act as a proxy for all

DNS requests and communicate with the ISP's DNS servers.

STEP

Click Save.

Configuring Virtual LAN (VLAN) Membership

A VLAN is a group of endpoints in a network that are associated by function or

other shared characteristics. Unlike LANs, which are usually geographically based,

VLANs can group endpoints without regard to the physical location of the

equipment or users.

Enabling VLANs

STEP 1

Choose Networking > LAN (Local Network) > VLAN Membership.

STEP

Check the Enable box.

STEP

Click Save.

Underneath the Enable VLAN field, The VLAN Membership Table is shown. This

shows available VLANs, including the VLAN ID, description, ports, and whether

inter-VLAN routing is enabled or not for each configured VLAN.

Creating a VLAN

You can create up to four VLANs on the Cisco RV120W.

STEP 1

Choose Networking > LAN (Local Network) > VLAN Membership.

STEP

In the VLAN Membership Table, click Add Row.

STEP

Enter a numerical VLAN ID that will be assigned to endpoints in the VLAN

membership. The VLAN ID can range from 2 to 4094. VLAN ID 1 is reserved for the

default VLAN, which is used for untagged frames received on the interface, and

VLAN ID 4092 is reserved and cannot be used.

Page 40 / 163

Configuring Networking

Configuring the LAN (Local Network) Settings

Cisco RV120W Administration Guide

STEP

Enter a description for the VLAN.

STEP

To enable routing between this and other VLANS, check the Inter VLAN Routing

box.

STEP

To enable device management, check the Device Management box. This allows

you to access the Device Manager from that VLAN. For example, if you created a

VLAN with the VLAN ID of 2 and enabled device management, you can access the

Device Manager by using the first IP address on the created VLAN (for example,

192.168.2.1).

STEP

Under each of the ports for the VLAN, choose one of the following:

•

Tagged—Used when connecting to switches carrying multiple VLANs.

•

Untagged—Access ports connecting to end devices like printers and

workstations.

STEP

Click Save.

Configuring Multiple VLAN Subnets

When you create a VLAN, a subnet is created automatically for the VLAN. You can

then further configure the VLAN properties, such as the IP address and DHCP

behavior.

To edit a VLAN:

STEP 1

Choose Networking > LAN > Multiple VLAN Subnets. The list of subnets appears.

STEP

Check the box next to the VLAN you want to edit and click Edit.

STEP

If you want to edit the IP address of this VLAN:

In the IP address field, enter the new IP address.

Enter the Subnet Mask for the new IP address.

Click Save. If you are connected to the Cisco RV120W by the LAN port that is a

member of this VLAN, you might have to release and renew the IP address on

the PC connected to the LAN port, or manually assign an IP address to your PC

that is in the same subnet as the VLAN. Open a new browser window and re-

connect to the Cisco RV120W.

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