Hello Everyone
We have DA setup in a cluster using 2012 R2. Servers are multihomed with NIC on external and NIC on internal networks.
In the last few months we have run into problems with ISPs enable IPV6. What happens is the clients say successful connection but cannot get anywhere. On the server under client connectivity they say Native IPV6.
To fix this issue we have disabled V6 on client machines. What i mean by disable is uncheck box so the IPv6 stack is there but is disabled. Amazingly this works. It does say IPV6 disabled please contact administrator.
Now we seem to be getting ISPs using IPv6 on for public IPs which creates yet another problem.
First question is: Is disabling IPV6 an OK work around for the native IPv6 issue? Is there another way?
Second question is: What do we do if the ISP is using IPV6 on for public IP. This seems to create problem as well. Someone just got a new Comcast router and it disabled DA.