IPv6 contact for www.citrix.com - MTU problem?

[Olipro]

Works fine for me too. maybe it's a problem with the TCP MSS size? try 
clamping it to the pMTU and see what happens.

On Wednesday 17 Aug 2011 21:24:31 Brandon Applegate wrote:
> On Wed, 17 Aug 2011, Daniel Roesen wrote:
> > Hi,
> > 
> > anybody responsible for IPv6 on www.citrix.com listening, or able to put
> > me in touch with the right persons?
> > 
> > It seems to run off AT&T IPv6 address space, but no proper assignment in
> > ARIN whoisdb.
> > 
> > Looks like www.citrix.com has MTU problems... I fail to browse the page
> > from my dualstacked home site here. Anybody else able to replicate
> > problem?
> 
> I am not able to replicate.  I tried it from:
> 
> - Google Chrome - using socks5 proxy box in the datacenter which has
> native v6.
> 
> - Firefox - no proxy - dualstacked on my Mac (10.7).  Since 10.7 does
> happy eyeballs, I put the v6 IP for www.citrix.com in to make sure.
> Loaded fine, I navigated around to some product links etc.
> 
> FWIW - The second test above (home) is fed via a v6inv4 linux tunnel which
> runs over a v4 openvpn tunnel.  I'm running ip6tables on my firewall and
> am allowing icmp6.
> 
> I will dig around with some more diag tools later to see if I can manually
> see an MTU issue from home.
> 
> --
> Brandon Applegate - CCIE 10273
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