> So, I was half worried about there being a raft of complaints from > people with broken 6to4 implementations on their desktops today. So far > we've had not a single call about it as far as I can tell. > > Has anybody had any bad fallout at all? Nothing obvious here at an almost-entirely-IPv4 site. We were expecting some calls from VPN users who might have tripped over dodgy IPv6 connectivity on their remote networks, but nothing has reached us so far. On the other hand <http://hide.dnsalias.net/aaaa/worldipv6day.cgi> (referenced on [log in to unmask]) suggests there are PMTUD issues between it and www.imperial.ac.uk; the other three[*] JANET sites on the list are OK. Sam [*] two ac.uk and the Ashmolean under a number of domain names. -- The University of Edinburgh is a charitable body, registered in Scotland, with registration number SC005336.