May 2011
Intermediate to advanced
216 pages
5h 7m
Polish
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Rozdział 4. Sieci VLAN i trunking
Przejście od koncentratorów (sieci współużytkujących nośnik) do sieci przełączanych było wielkim postępem. Kontrola nad kolizjami, zwiększona przepustowość i dodatkowe właściwości oferowane przez przełączniki — wszystko to stanowiło dostateczną zachętę do modernizacji infrastruktury. Ale przełączane topologie warstwy 2 nie są wolne od swoich problemów. Rozległe, płaskie topologie mogą tworzyć przeciążone domeny rozgłoszeniowe i wiązać się z kompromisami w dziedzinie bezpieczeństwa, redundancji i równoważenia obciążeń. Te problemy mogą zostać złagodzone przez użycie wirtualnych sieci lokalnych, czyli sieci VLAN (ang. Virtual Local Area Network). Niniejszy rozdział przedstawia strukturę i działanie sieci VLAN w ...
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