Hello, What's the latest and stable version of service-provider edition IOS version that supports VIP2-20 as well as IPv6? I heard VIP2-20 is dropped in the newer IOS releases... Thanks!, -hc -- Sincerely, Haesu C. TowardEX Technologies, Inc. WWW: http://www.towardex.com E-mail: haesu at towardex.com Cell: (978) 394-2867