Hi friends yesterday I gave 3 post regarding DCN fluctuation.

    You can see the post in below links.

        Case 1: http://support.huawei.com/gsbbs/bbs/9065.html

        Case 2: http://support.huawei.com/gsbbs/bbs/9071.html    

        Case 3: http://support.huawei.com/gsbbs/bbs/9075.html