???????????????????????????????????????????????? tion ??????- ???????? OV3 000 ? 2 亥? 207亥???????? 1. Ovation ????................................................... ................................................... ...................7 1-1. Westinghouse ??................................................... ................................................... .....7 1-1-1. ?????а???................................................... ........................................9 1-1-2. ???? Hub?................................................... ...............................................10 1-1-3. ???? Switch?................................................... ...........................................10 1-1-4. ?????................................................... ................................................... ...11 1-1-5. ????................................................... ................................................... .......11 1-2. Ovation ????????о??................................................... ............................11 1-2-1. ???????................................................... ..............................................11 1-2-2. Switch ?????................................................... ...........................................12 1-2-3. Root switch port ??................................................... ......................................12 1-2-4. Fan Out Swith ??................................................... ........................................12 1-2-5. ?????????................................................... ......................................12 1-2-6. ????................................................... ................................................... .......13 1-2-7. Ovation ??ㄉ?? Drop?................................................... .....................
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