[it認(rèn)證]atm技術(shù)與passport交換機(jī)培訓(xùn)講義-文庫(kù)吧
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【正文】 3 2/9 1 6/4 2/9 5/2 1/0 1/6 1/5 4/5 1/4 4/3 Input Output Port VPI/VCI Port VPI/VCI 1 1/6 2 4/3 3 1/4 4 1/0 1 6/4 3 2/9 3 2/9 1 6/4 1 2 4 2 3 3 2 4 1 2 3 ? VPI/VCI tables in work equipment updated by administrator 1 Switched Virtual Circuit (SVC) B D 1 2 4 1 3 3 2 4 1 2 UNI Signaling NNI Signaling C UNI Signaling Input Output Port VPI/VCI Port VPI/VCI 1 6/4 3 2/9 3 2/9 1 6/4 Input Output Port VPI/VCI Port VPI/VCI 2 5/2 1 2/9 1 6/4 3 2/9 3 2/9 1 6/4 Input Output 1 2/9 3 4/5 1 6/4 3 2/9 3 2/9 1 6/4 Port VPI/VCI Port VPI/VCI Input Output Port VPI/VCI Port VPI/VCI 1 6/4 3 2/9 3 2/9 1 6/4 A 3 ? Dynamically set up connections via signaling Switched Virtual Circuit (SVC) B D 1 2 4 1 3 3 2 4 1 2 UNI Signaling NNI Signaling C UNI Signaling Input Output Port VPI/VCI Port VPI/VCI 1 2/9 3 4/5 1 6/4 3 2/9 3 2/9 1 6/4 A 3 Input Output Port VPI/VCI Port VPI/VCI 1 6/4 3 2/9 3 2/9 1 6/4 1 2/9 3 4/5 Input Output Port VPI/VCI Port VPI/VCI 2 5/2 1 2/9 1 6/4 3 2/9 3 2/9 1 6/4 1 4/5 2 1/6 Input Output Port VPI/VCI Port VPI/VCI 1 6/4 3 2/9 3 2/9 1 6/4 1 1/6 2 4/3 ? Transfer data over newly established link Switched Virtual Circuit (SVC) B D 1 2 4 1 3 3 2 4 1 2 NNI Signaling C UNI Signaling Input Output Port VPI/VCI Port VPI/VCI 1 6/4 3 2/9 3 2/9 1 6/4 Input Output Port VPI/VCI Port VPI/VCI 2 5/2 1 2/9 1 6/4 3 2/9 3 2/9 1 6/4 Input Output Port VPI/VCI Port VPI/VCI 1 2/9 3 4/5 1 6/4 3 2/9 3 2/9 1 6/4 Input Output Port VPI/VCI Port VPI/VCI 1 6/4 3 2/9 3 2/9 1 6/4 A 3 UNI Signaling ? Dynamically tear down connections via signaling Soft PVC B D 1 1
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