2-1
Chapter 2 Cluster
2.1 Cluster Overview
2.1.1 Introduction to HGMP
A cluster contains a group of switches. Through cluster management, you can manage
multiple geographically dispersed in a centralized way.
Cluster management is implemented through Huawei group management protocol
(HGMP). HGMP version 2 (HGMPv2) is used at present.
A switch in a cluster plays one of the following three roles:
z Management device
z Member device
z Candidate device
A cluster comprises of a management device and multiple member devices. To
manage the devices in a cluster, you need only to configure an external IP address for
the management switch. Cluster management enables you to configure and manage
remote devices in batches, reducing the workload of the network configuration.
Normally, there is no need to configure external IP addresses for member devices.
Figure 2-1 illustrates a cluster implementation.
Figure 2-1 A cluster implementation
HGMP V2 has the following advantages:
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