On 02/23/2015 12:45 PM, Kitri Waterman wrote:
"VLAN Select/Interface Groups—VLAN Select should not be used in a
dual-stack environment. VLAN Select only works on the IPv4 address.
Client can get an IPv4 address from one VLAN and IPv6 address from
another. VLAN mismatch results in issues."
(http://www.cisco.com/c/en/us/td/docs/wireless/controller/release/notes/crn80.html)
Thoughts from anyone running dual-stack and Vlan Select and looking to
or has already moved to 8.0 code? We're strong users of both, so this is
really going to impact our upgrade plans.
I think the wording is a little miss-leading. We are currently running
7.6.110 with interface groups and have ipv6 enabled on all subnets. I
moved my test controller to 8.0.110 and it seems to work fine. We
however, do not do dhcp6, we do slaac. I think if you try to have the
controller do dhcp relay for both V4 vand V6 you will run into the issue
they describe above. But If you have ipv6 assigned via slaac or a
outside entity doing relay you may be fine. I think it comes down to if
you give the controller interfaces ipv6 addresses, which we do not have.
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