March 2000
Intermediate to advanced
720 pages
20h 10m
English
Content preview from Understanding the Network: A Practical Guide to InternetworkingBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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The Types of Bridges
For many network engineers, bridging was avoided unless a situation absolutely required it for two reasons; First, it is believed by many that bridging is a Layer 2 answer to what is really a Layer 3 problem. Second, it is widely held that bridging negatively impacts Layer 2 network performance. In essence, both of these beliefs are true. Bridges do forward traffic between network segments, and packet forwarding is a function best performed as part of Layer 3 routing process. In addition, the insertion of a bridge in an efficient shared-medium LAN will result in slower network performance. However, when they are properly applied, network bridges can be used to improve traffic flow on a congested network. Switches can attach ...
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