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Operation Manual – Cluster

H3C S3600 Series Ethernet Switches-Release 1510 Chapter 1

Cluste

1-13

 Note:

To reduce the risk of being attacked by malicious users against opened socket and

enhance switch security, the S3600 series Ethernet switches provide the following

functions, so that a cluster socket is opened only when it is needed:

z Opening UDP port 40000 (used for cluster) only when the cluster function is

implemented,

z Closing UDP port 40000 at the same time when the cluster function is closed.

On member devices, the preceding functions are implemented as follows:

z When you execute the add-member command on the management device to add a

candidate device to a cluster, the candidate device changes to a member device

and its UDP port 40000 is opened at the same time.

z When you execute the auto-build command on the management device to have

the system automatically add candidate devices to a cluster, the candidate devices

change to member devices and their UDP port 40000 is opened at the same time.

z When you execute the administrator-address command on a device, the device's

UDP port 40000 is opened at the same time.

z When you execute the delete-member command on the management device to

remove a member device from a cluster, the member device's UDP port 40000 is

closed at the same time.

z When you execute the undo build command on the management device to remove

a cluster, UDP port 40000 of all the member devices in the cluster is closed at the

same time.

z When you execute the undo administrator-address command on a member

device, UDP port 40000 of the member device is closed at the same time.

1.3.2 Enabling NDP Globally and on Specific Ports

Table 1-13 Enable NDP globally and on specific ports

Operation Command Description

Enter system view

system-view

—

Enable NDP globally

ndp enable

Required

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