How to connect the campus network in Ubuntu ( Zhengzhou University )

Even loaded Ubuntu12.10 and UbuntuKylin13.04 campus network connection when authentication is successful but can not access the situation , reinstall the system still so ! mentohust and ruijieclient have tried, have tried various methods online , but still does not work , seek expert advice !
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Congratulations landlord , in 2006 after graduation have not been to Zhengzhou it.
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landlord what method to solve ? Seeking a tutorial . I used mentohust engage in three days did not toss put ubuntu deleted.
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had my dns set up a problem , ha ha, finally connected to the campus network of the
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Sorry , long time no board , and I recently moved to win32 compilation , Ubuntu are uninstalled , but can tell you that I finally used the ruijieclient! But was not set up , the last time was changed again , and I have a C language environment did not build a good , so I do not have a ......