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Testing the Vigor2850Vn Router with IPv6
Posted by on 14 February 2012 10:14 AM

 

The Vigor2850 router is a VDSL router which is backwards compatible with ADSL2+. Functionally it is similar to the Vigor2830. The main physical differences are that the fourth Gigabit LAN port is also used as the second WAN port as well as the VDSL interface.

The unit tested is the Vigor2850Vn serial number 119001932890

Firmware version:           3.6.0_RC2 (IPV6 beta release)

WAN Connection:            connected to Internode ADSL2+

 

WAN Configuration

General Setup

The default setting in the Vigor2850 VDSL interface is Auto mode where it Auto Detects the connected line type. Here we have selected ADSL Only mode.

 http://www.draycare.com.au/dfaq/image/Internet_Access/04/WAN_11.JPG

Internet Access Setup

The normal Internode ADSL account only provides IPV4 access. To be able to use IPV6 the login username from the router will have to be changed from "username@internode.on.net" to username@ipv6.internode.on.net as shown in the screen shot below.

IPV6 is disabled by default (Set to Offline). To enable it click on the IPV6 button and select PPP for the connection type as shown below.

 http://www.draycare.com.au/dfaq/image/Internet_Access/04/WAN_12.JPG

LAN Configuration

We have used default settings for LAN settings and enabled DHCP for IPv4 addressing.

To allow the PC’s to use IPv6 addressing we have to enable IPv6 for the LAN. To do this click on the IPv6 button and enable RADVD. This is the easiest way to set this up. On the PC (Windows 7) we only have to enable DHCP option for IPV6

 http://www.draycare.com.au/dfaq/image/Internet_Access/04/WAN_13.JPG

Below is a brief description of RADVD from Wikipedia .

“The Router Advertisement Daemon (radvd) is an open-source software product that implements link-local advertisements of IPv6 router addresses and IPv6 routing prefixes using the Neighbor Discovery Protocol (NDP) as specified in RFC 2461.[2] The Router Advertisement Daemon is used by system administrators in stateless auto configuration methods of network hosts on Internet Protocol version 6 networks.

When IPv6 hosts configure their network interfaces, they broadcast router solicitation (RS) requests onto the network to discover available routers. The radvd software answers requests with router advertisement (RA) messages. In addition, radvd periodically broadcasts RA packets to the attached link to update network hosts. The router advertisement messages contain the routing prefix used on the link, the link maximum transmission unit (MTU), and the address of the responsible default router.

Radvd also supports the recursive DNS server (RDNSS) and DNS search list (DNSSL) options for NDP published in RFC 6106.”

Below is the TCP/IP information on the PC. It shows the IPv6 IP details as well as the IPv4 information.

 http://www.draycare.com.au/dfaq/image/Internet_Access/04/WAN_14.JPG


Configuration Completed

 http://www.draycare.com.au/dfaq/image/Internet_Access/04/WAN_15.JPG

Once the router is configured, the IPV6 button on the router menu page will be displayed in green. To disable IPv6, click on the button.  After confirmation, the router will reboot and IPv6 will be disabled.

 

Testing IPv6

Internode has a number of IPv6 test sites listed on their web site.

 http://www.draycare.com.au/dfaq/image/Internet_Access/04/WAN_16.JPG

Running the IPv6 test produces the following results. The IPV6 address is displayed

 http://www.draycare.com.au/dfaq/image/Internet_Access/04/WAN_17.JPG

Connecting to Google using IPv6

 http://www.draycare.com.au/dfaq/image/Internet_Access/04/WAN_18.JPG

Older PC’s not Supporting IPv6

Older PC’s running Windows XP only support IPv4, hence will not be able to access IPv6 services. Running the IPv6 test will display IPv4. The router does not automatically convert IPv4 addressing to IPv6 addressing. 

  http://www.draycare.com.au/dfaq/image/Internet_Access/04/WAN_19.JPG
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