We have a Catalyst 6513 with a Supervisor Engine 720 10GE (VS-S720-10G-3C), running IOS Version 12.2(33)SXI (s72033_rp-ADVENTERPRISEK9_WAN-M).At friday morning we added our first 10G interface card: WS-X6708-10GE-3CXLFrom this time, 'ipv6 dhcp relay ...