Apr. 6th, 2010

jyrgenn: Blurred head shot from 2007 (Default)
For about three months I have been writing some blog entries about my joys with IPv6 (the "this-century" Internet Protocol) at home on ipv6.w21n.de. But most of the fun is over now that IPv6 works fine for me. So I think I can move the articles here and spare me the effort of maintaining another site.

I will post them under the original dates, so they'll appear in the past here; if you want to find them, look for the tag "ipv6".
jyrgenn: Blurred head shot from 2007 (Default)
[Today this is kind of obsolete since I use the Cisco 1712 for IPv6 now. I find this device not perfect, but it does everything I want. At least it could if I knew how to configure everything.]

As I have a separate ADSL modem, I am interested only in Ethernet-to-Ethernet routers, and I would prefer one with a point-and-click interface. I want it to be able to speak IPv6 over PPPoE on the WAN side, route to more than one /64 network over the LAN (i. e. have two separate interfaces on the inside, or be able to go through another router), and allow WAN access to services on the LAN specified by IPv6 address and port.

Comments are welcome, particularly with newer information or real-life experience, to <ni@jnickelsen.de>.

These are the devices I have some more information about, in no particular order:

  • DrayTek Vigor 2130: Covers most things. Currently only one /64 on the inside, no DNS or NTP over v6, no RIPng. Otherwise an attractive device for the common SOHO setup. Cool web gui live demo on the web.

  • Cisco: the (EOLed) 831 is the cheapest Cisco IOS router with IPv6 support; the 871 the cheapest with Fast Ethernet on the WAN side. The 831 is available on eBay for less than EUR 100, the 871 for over EUR 200. Very feature-rich, but IOS is in my eyes too arcane for someone how does not work with it daily. Update: Got a 1712 from eBay; together with shipping and a separately bought PSU about 90 Euros. Works fine and can do everything but the dishes, but see my comment above about IOS. I do not use most of the features because it is really hard work to dig out the correct configuration commands, and if you make a mistake, things may suddenly cease to work.

  • Cisco SB WRVS4400N: From the former Linksys product line. According to the manual it can speak IPv6 on the WAN interface only through tunnels. WTF?

  • OpenWRT: this linux-based open source system runs on a variety of hardware platforms. I have it running on a Linksys (now Cisco) WRT54G. It is (in parts) a hassle to set up and it is less well documented and less reliable than I like. I see it only as a temporary solution.

  • AVM Lab Version: a public beta test firmware for their Fritz!Box 7270. Cannot make LAN services available to the WAN. [Update: in between it can.][Update: in between the IPv6 support is part of the official released product. Three cheers!]

  • D-Link DIR-825: As I understand the user manual it can have only one flat /64 network on the inside.

Another possibility is to use a general-purpose computer as a router. Linux and *BSD come to mind as possible platforms. PC Engines and Soekris sell small PC-architecture boards designed for this type of use, and some software distributions are made for this purpose (OpenWRT being one of them). But in my experience a commercial router appliance means much less work to set up and operate.


jyrgenn: Blurred head shot from 2007 (Default)

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