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To do… Use the command… Remarks
5. Configure the port delay to
forward topology-collection
request on other ports.
ntdp timer port-delay delay-time
Optional.
20 ms by default.
NOTE:
The two delay values should be configured on the topology collecting device. A topology-collection
request sent by the topology collecting device carries the two delay values, and a device that receives
the request forwards the request according to the delays.
Manually collecting topology information
The management device collects topology information periodically after a cluster is created. In addition,
you can configure the device to manually initiate topology information collection on the management
device or NTDP-enabled device, managing and monitoring devices in real time, regardless of whether a
cluster is created.
To configure the device to manually collect topology information:
To do… Use the command… Remarks
Manually collect topology
information
ntdp explore Required
Enabling the cluster function
To do… Use the command… Remarks
6. Enter system view.
system-view —
7. Enable the cluster function
globally.
cluster enable
Optional.
Enabled by default.
Establishing a cluster
Before establishing a cluster, you must specify the management VLAN, and you cannot modify the
management VLAN after a device is added to the cluster.
In addition, you must configure a private IP address pool for the devices to be added to the cluster on the
device to be configured as the management device before establishing a cluster. Meanwhile, the IP
addresses of the VLAN interfaces of the management device and member devices cannot be in the same
network segment as that of the cluster address pool; otherwise, the cluster cannot work normally. When a
candidate device is added to a cluster, the management device assigns it a private IP address for it to
communicate with other devices in the cluster.
You can establish a cluster in the following ways: manually and automatically. With the latter, establish a
cluster according to the prompt information. The system performs the following workflow:
• Prompts you to enter a name for the cluster you want to establish;
• Lists all candidate devices within your predefined hop count;
• Starts to automatically add them to the cluster.
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