Cisco CVR100W Router Manual PDF (Setup & Configuration Guide)

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Configuring Network

Configuring IPv6

Cisco CVR100W Wireless-N VPN Router Administration Guide

54

3

STEP

3

(Optional) If you are using 6to4 tunneling, which allows IPv6 packets to be

transmitted over an IPv4 network, do the following:

•

Click

Show Static 6to4 DNS Entry

.

•

In the

Domain

and

IP

fields, enter up to 5 domain-to-IP mappings.

The 6to4 tunneling feature is typically used when a site or end user wants to

connect to the IPv6 Internet using the existing IPv4 network.

STEP

4

Click

Save

.

Configuring IPv6

Configuring IPv6 WAN Settings

Configuring WAN properties for an IPv6 network depends on the type of internet

connection that you have. You can configure the CVR100W to be a DHCPv6 client

of the ISP for this WAN or to use a static IPv6 address provided by the ISP.

Setting the IP Mode

To configure IPv6 WAN settings on your CVR100W, you must first set the IP mode

to LAN:IPv6, WAN:IPv6 or LAN:IPv4+IPv6, WAN:IPv4+IPv6.

See

Configuring IP Mode

for more information.

LAN:IPv4+IPv6,

WAN:IPv4

Choose this option to use IPv4 and IPv6 in the LAN

ports and IPv4 in the WAN ports.

LAN:IPv4+IPv6,

WAN:IPv4+IPv6

Choose this option to use IPv4 and IPv6 in the LAN and

WAN ports.

Page 57 / 150

Configuring Network

Configuring IPv6

Cisco CVR100W Wireless-N VPN Router Administration Guide

55

3

Configuring DHCPv6

If your ISP provides you with a dynamically assigned address, configure the

CVR100W to use be a DHCPv6 client.

To configure the CVR100W to be a DHCPv6 client:

STEP 1

Choose

Networking

>

IPv6 Configuration

>

IPv6 WAN Configuration

.

STEP

2

In the

WAN Connection Type

field, click the

Automatic Configuration-DHCPv6

radio button.

STEP

3

Click

Save

.

Configuring a Static IP Address

If your ISP assigns you a fixed address to access the Internet, configure the

CVR100W to use a static IPv6 address.

To configure the CVR100W to use a static IPv6 address:

STEP 1

Choose

Networking

>

IPv6 Configuration

>

IPv6 WAN Configuration

.

STEP

2

In the

WAN Connection Type

field, click the

Static IPv6

radio button.

STEP

3

In the

Static IP Address

area, enter the following information:

IPv6 Address

Enter the IPv6 address of the WAN port.

IPv6 Prefix Length

Enter the IPv6 prefix length defined by the ISP.

The IPv6 network (subnet) is identified by the initial

bits of the address which are called the prefix.

For example, in the 2001:0DB8:AC10:FE01::

IP address, 2001 is the prefix.

All hosts in the network have identical initial bits for

their IPv6 address; you set the number of common

initial bits in the network’s addresses in this field.

Default IPv6

Gateway

Enter the IPv6 address of the default gateway. This is

the IP address of the server at the ISP that this router

connects to for accessing the Internet.

Page 58 / 150

Configuring Network

Configuring IPv6

Cisco CVR100W Wireless-N VPN Router Administration Guide

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3

STEP

4

Click

Save

.

Configuring IPv6 LAN Settings

In the IPv6 mode, the LAN DHCP server is enabled by default (similar to the IPv4

mode). The DHCPv6 server assigns IPv6 addresses from configured address

pools that use the IPv6 prefix length assigned to the LAN.

Setting the IP Mode

To configure IPv6 LAN settings on your CVR100W, you must first set the IP mode

to one of the following modes:

•

LAN:IPv6, WAN:IPv4

•

LAN:IPv6, WAN:IPv6

•

LAN:IPv4+IPv6, WAN:IPv4

•

LAN:IPv4+IPv6, WAN:IPv4+IPv6

See

Configuring IP Mode

for more information.

Configuring IPv6 LAN Settings

To configure IPv6 LAN settings:

STEP 1

Choose

Networking

>

IPv6 Configuration

>

IPv6 LAN Configuration

.

STEP

2

In the

IPv6

area, enter the following information to configure the IPv6 LAN address:

Static DNS 1

Enter the IP address of the primary DNS server on the

ISP’s IPv6 network.

Static DNS 2

Enter the IP address of the secondary DNS server on

the ISP’s IPv6 network.

IPv6 Address

Enter the IPv6 address of the CVR100W.

The default IPv6 address for the gateway is fec0::1.

You can change this 128-bit IPv6 address based on

your network requirements.

Page 59 / 150

Configuring Network

Configuring IPv6

Cisco CVR100W Wireless-N VPN Router Administration Guide

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3

STEP

3

Click

Save

.

Configuring DHCPv6 Settings

To configure DHCPv6 settings:

STEP 1

Choose

Networking

>

IPv6 Configuration

>

IPv6 LAN Configuration

.

STEP

2

In the

Server Settings (DHCPv6)

area, enter the following information to

configure the DHCPv6 settings:

IPv6 Prefix Length

Enter the IPv6 prefix length.

The IPv6 network (subnet) is identified by the initial

bits of the address called the prefix. By default, the

prefix is 64 bits long.

All hosts in the network have the identical initial bits for

their IPv6 address; you set the number of common

initial bits in the network’s addresses in this field.

DHCP Status

Check to enable the DHCPv6 server.

If enabled, the CVR100W assigns an IP address within

the specified range plus additional specified

information to any LAN endpoint that requests DHCP-

served addresses.

Domain Name

Enter the domain name of the DHCPv6 server.

Server Preference

Enter the server preference level of this DHCP server.

DHCP advertise messages with the highest server

preference value to a LAN host are preferred over

other DHCP server advertise messages.

The default is 255.

Static DNS 1

Enter the IPv6 address of the primary DNS server on

the ISP’s IPv6 network.

Static DNS 2

Enter the IPv6 address of the secondary DNS server

on the ISP’s IPv6 network.

Page 60 / 150

Configuring Network

Configuring IPv6

Cisco CVR100W Wireless-N VPN Router Administration Guide

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3

STEP

3

Click

Save

.

Configuring IPv6 Address Pools

You can define the IPv6 delegation prefix for a range of IPv6 addresses to be

served by the CVR100W’s DHCPv6 server. Using a delegation prefix, you can

automate the process of informing other networking equipment on the LAN of

DHCP information specific for the assigned prefix.

To configure IPv6 address pools:

STEP 1

Choose

Networking

>

IPv6 Configuration

>

IPv6 LAN Configuration

.

STEP

2

In the

IPv6 Address Pools

table, click

Add Row

.

STEP

3

Enter the following information:

STEP

4

Click

Save

.

STEP

5

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

Edit

. To delete a selected

pool, click

Delete

. Click

Save

to apply your changes.

Client Lease Time

Enter the client lease time.

Enter the duration for which IPv6 addresses are leased

to endpoints on the LAN.

Start Address

Enter the starting IPv6 address of the pool.

End Address

Enter the ending IPv6 address of the pool.

IPv6 Prefix Length

Enter the prefix length.

This field determines the number of common initial bits

in the network’s addresses.

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