Been using ipv4 copp policies loosly based on the following in addition to the usual batch of 'mls rate-limit' for years: http://aharp.ittns.northwestern.edu/papers/copp.html Any caveats in ipv6? (The routers use sup7203bxl supervisors). I'm also curious how effective (if at all) the built-in mls rate-limit's are in ipv6? -- ~Randy