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Page 46 / 150 Scroll up to view Page 41 - 45
Configuring Network
Configuring LAN Settings
Cisco CVR100W Wireless-N VPN Router Administration Guide
44
3
STEP
5
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
2
(Optional) Select the VLAN that you want to edit from the drop-down menu.
STEP
3
In the
DHCP Server
field, select one of the following options:
STEP
4
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
45
3
STEP
5
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
6
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
2
Click
Add Row
.
STEP
3
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
46
3
STEP
4
Click
Save
.
STEP
5
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
47
3
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
2
From the
VLAN
drop-down menu, choose a VLAN number.
STEP
3
Click
Add Row
.
STEP
4
Enter the following information:
STEP
5
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
48
3
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
2
Check
Enable
to enable DMZ on the network.
STEP
3
From the
VLAN
drop-down menu, choose the VLAN where DMZ is enabled.
STEP
4
In the
Host IP Address
field, enter the IP address of the DMZ host.
STEP
5
Click
Save
.
Configuring Routing
Configuring Operating Mode
To configure the CVR100W’s operating mode:
STEP 1
Choose
Networking
>
Routing
.
STEP
2
In the
Operating Mode
field, select one of the following options:

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