Cisco CVR100W Router Manual PDF (Setup & Configuration Guide)

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Configuring Network

Configuring LAN Settings

Cisco CVR100W Wireless-N VPN Router Administration Guide

STEP

Open a new browser window and enter the new IP address of the CVR100W to

reconnect.

Configuring DHCP

By default, the CVR100W functions as a DHCP server to the hosts on the Wireless

LAN (WLAN) or LAN network, assigns IP addresses, and provides DNS server

addresses.

With DHCP enabled, the CVR100W’s IP address serves as the gateway address to

your LAN. The CVR100W assigns IP addresses to PCs on the LAN from a pool of

addresses. The CVR100W tests each address before it is assigned to avoid

duplicate addresses on the LAN.

By default, the CVR100W assigns an IP address to each host on the LAN from the

default IP address pool (192.168.1.100 to 192.168.1.149). If you need to set any host

with a static IP address, use an IP address from the 192.168.1.2 to 192.168.1.99 IP

address pool. This prevents conflicts with the default IP address pool.

To configure the DHCP settings:

STEP 1

Choose

Networking

LAN

LAN Configuration

STEP

(Optional) Select the VLAN that you want to edit from the drop-down menu.

STEP

In the

DHCP Server

field, select one of the following options:

STEP

If you select

Enable

, enter the following information:

Enable

Click this radio button to allow the CVR100W to act as

the DHCP server in the network.

Disable

Click this radio button to disable DHCP on the

CVR100W.

If you want another device on your network to be the

DHCP server, or to manually configure the network

settings of all of your PCs, disable DHCP.

DHCP Relay

Click this radio button to select DHCP Relay to

configure the CVR100W to act as a relayer of

IP addresses by a different DHCP server.

Page 47 / 150

Configuring Network

Configuring LAN Settings

Cisco CVR100W Wireless-N VPN Router Administration Guide

STEP

If you select

DHCP Relay

, enter the address of the relay gateway in the

Remote

DHCP Server

field. The relay gateway transmits DHCP messages between

multiple subnets.

STEP

Click

Save

Configuring VLAN

A Virtual LAN (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.

To create a VLAN:

STEP 1

Choose

Networking

LAN

VLAN Configuration

STEP

Click

Add Row

STEP

Enter the following information:

Starting IP Address

Enter the first address in the IP address pool. Any new

DHCP client joining the LAN is assigned an IP address

in this range (the ending IP address in the pool is

determined by the value that you enter in the

Maximum Number of DHCP Users

field).

Maximum Number of

DHCP Users

Enter the maximum number of DHCP clients.

IP Address Range

(Read-only) Displays the range of IP addresses

available to the DHCP clients.

Client Lease time

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

leased to clients.

Static DNS 1

Enter the IP address of the primary DNS server.

Static DNS 2

Enter the IP address of the secondary DNS server.

Static DNS 3

Enter the IP address of the tertiary DNS server.

WINS

Enter the IP address of the primary WINS server.

Page 48 / 150

Configuring Network

Configuring LAN Settings

Cisco CVR100W Wireless-N VPN Router Administration Guide

STEP

Click

Save

STEP

To edit the settings of a VLAN, select the VLAN and click

Edit

. To delete a selected

VLAN, click

Delete

. Click

Save

to apply your changes.

VLAN ID

Enter the numerical VLAN ID to assign to endpoints in

the VLAN membership. The number that you enter

must be between 4 and 15. VLAN ID 1 is reserved for

the default VLAN, which is used for untagged frames

received on the interface. VLAN ID 2 is reserved

cannot be used. VLAN ID 3 is reserved for the guest

network.

Description

Enter a description to identify the VLAN.

Port 1

You can associate VLANs on the CVR100W to the LAN

ports on the device. By default, all 4 ports belong to

VLAN1. You can edit these ports to associate them

with other VLANs.

Choose the outgoing frame type for each port:

•

Untagged:

The port is an untagged member of

the VLAN. Frames of the VLAN are sent

untagged to the port VLAN.

•

Tagged:

The port is a tagged member of the

VLAN. Frames of the VLAN are sent tagged to

the port VLAN.

•

Excluded:

The port is currently not a member of

the VLAN. This is the default for all the ports

when the VLAN is first created.

Port 2

Port 3

Port 4

Page 49 / 150

Configuring Network

Configuring LAN Settings

Cisco CVR100W Wireless-N VPN Router Administration Guide

Configuring Static DHCP

You can configure the CVR100W to assign a specific IP address to a device with a

specific MAC address.

To configure static DHCP:

STEP 1

Choose

Networking

LAN

Static DHCP

STEP

From the

VLAN

drop-down menu, choose a VLAN number.

STEP

Click

Add Row

STEP

Enter the following information:

STEP

To edit the settings of a static DHCP client, select the client and click

Edit

. To

delete a selected DHCP client, click

Delete

. Click

Save

to apply your changes.

Description

Enter a description of the client.

IP Address

Enter the IP address of the device.

The assigned IP address should be outside the pool of

the DHCP addresses configured. The DHCP pool is

treated as a generic pool and all reserved IPs should

be outside this pool.

Static DHCP assignment means that the DHCP server

assigns the same IP to the defined MAC address every

time the device is connected to the network.

The DHCP server serves the reserved IP address

when the device using the corresponding MAC

address requests an IP address.

MAC Address

Enter the MAC address of the device.

The format for the MAC address is

XX:XX:XX:XX:XX:XX where X is a number from 0 to 9

(inclusive) or an alphabetical letter between A and F

(inclusive).

Page 50 / 150

Configuring Network

Configuring Routing

Cisco CVR100W Wireless-N VPN Router Administration Guide

Configuring a DMZ Host

The CVR100W supports demilitarized zones (DMZ). A DMZ is a subnetwork that is

open to the public but behind the firewall. A DMZ allows you to redirect packets

going to your WAN port IP address to a particular IP address in your LAN.

We recommended that you place hosts that must be exposed to the WAN (such as

web or e-mail servers) in the DMZ network. You can configure firewall rules to

allow access to specific services and ports in the DMZ from both the LAN or WAN.

In the event of an attack on any of the DMZ nodes, the LAN is not necessarily

vulnerable.

You must configure a fixed (static) IP address for the endpoint that you designate

as the DMZ host. You should assign the DMZ host an IP address in the same

subnet as the CVR100W’s LAN IP address, but it cannot be identical to the IP

address given to the LAN interface of this gateway.

To configure DMZ:

STEP 1

Choose

Networking

LAN

DMZ Host

STEP

Check

Enable

to enable DMZ on the network.

STEP

From the

VLAN

drop-down menu, choose the VLAN where DMZ is enabled.

STEP

In the

Host IP Address

field, enter the IP address of the DMZ host.

STEP

Click

Save

Configuring Routing

Configuring Operating Mode

To configure the CVR100W’s operating mode:

STEP 1

Choose

Networking

Routing

STEP

In the

Operating Mode

field, select one of the following options:

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