Installing dd-wrt on a Linksys WRT320N wireless router

Back in 2011 I switched ISPs to A&A, primarily because they support native IPv6. Incidentally, 3 years on I see that you still can’t get IPv6 from Zen, so I made the right choice by switching. Windows has had IPv6 support included by default since 2006 (i.e. Vista onwards), so the missing piece of the …