802.1x on cisco 2960 switch..

[pravin.bhavsar]

HI All,

I have implemented 802.1x on cisco 2960 switch with microsoft IAS. after so many errors it is working fine but there is one issue on this that is before we not login in pc there is authentication is failing after login promts typing username & password it is authenticated but the problem is after login there is network shows connected but we are not able to access network. we want to do every time disable & enable than it is working.so it is not a practical, user every time dont do that.......

So anyone have any idea about why it is happning.