[c-nsp] Access to CCO - "sso.cisco.com" over IPv6

[Reuben Farrelly]

Hi

I've been having intermittent problems logging into CCO in the last few 
weeks - and the troubleshooting I've done so far seems to indicate the 
problem only occurs when I'm connecting to it over IPv6.  It seems the 
actual authentication to www.cisco.com is handled by a site with 
hostname sso.cisco.com.

There are both A and AAAA records for it in DNS, and it resolves 
consistently across multiple locations.  It looks like this isn't one of 
the CDN delivered components of the site.

The end accepts the IPv6 connection and refuses to send data, eventually 
closing the connection and timing out.   The IPv4 connection works fine. 
  Tested with port 80.

Emails to TAC so far have solicited responses along the lines of 
restarting the PC/clearing browser caches/clearing cookies/changing 
browsers etc trying to push it back on me despite it happening on at 
least two different machines across a period of time including a newly 
installed VM and appearing broken even with a telnet client manual test.

Is anyone else who has IPv6 access and who is accessing cisco.com over 
IPv6 had issues to this site in the past 2-3 weeks?  I get the feeling 
that IPv6 access to parts of CCO systems isn't well monitored, 
blogs.cisco.com was completely broken over IPv6 some weeks back for a 
while, but it came good after I posted a comment on there stating it was 
broken (from IPv4 only work).

Maybe one of those dodgy Cisco load balancers is upset again and needs a 
restart ;)

Or is there someone on here from Cisco who knows who/how to poke to get 
this looked at?

Thanks,
Reuben