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Local Area High Speed Networks by Dr. Sidnie Feit

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Summary Points

  • Link aggregation, which also is called trunking, combines a set of links so that they behave like a single link, which is called a virtual link.

  • Link aggregation improves network capacity and availability.

  • The link aggregation standard applies only to full-duplex Ethernet links.

  • All links in an aggregated group must operate at the same speed.

  • The link aggregation control protocol automatically groups links and regroups them after a link addition, deletion, or failure.

  • Product-specific restrictions sometimes govern the way that link segments can be aggregated.

  • A virtual link must have a MAC address. Some implementations automatically use the smallest MAC address assigned to an aggregation port participating in the virtual link.

  • The link ...

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