Making the network highly available
In this chapter we provide an overview of the high availability features available in the IBM b-type Ethernet product range. We cover the following features:
•Hardware resiliency
•Layer 1 availability features
•Layer 2 availability features
•Layer 3 availability features
•Protected link groups
•Link aggregation groups
•PoE priority
•Hitless upgrades
4.1 Hardware resiliency
As mentioned in Chapter 3, “Networking introduction” on page 199, historically, networks were considered unreliable. Because of these unreliability ...
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